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description the cxa2020m/s, is a bipolar ic designed as eiaj tv sound multiplexing decoder, provides various functions including sound multiplexing demodulation, broadcast mode identification (stereo/bilingual discrimination display), mode display, and muting. features adjustment free of filter. high frequency stereo separation improved. an internal active filter greatly reduces the external parts. use of the countdown method for broadcast mode identification eliminates the necessity of adjusting the identification system (cue oscillator). output level: 520mvrms (1khz, monaural, 100%). internal filter eliminates interference from digital facsimile signals. the discrimination time needed to shift from multiplexing sound to monaural sound is reduced. forced monaural mode can be set to operate only for stereo broadcasts or for stereo/bilingual broadcasts. applications color tvs hi-fi vcrs structure bipolar silicon monolithic ic pin configuration absolute maximum ratings (ta = 25?) [ ( ) is the pin no. for the cxa2020s.] supply voltage v cc 10 v input signal (pin 6) vis 0.6 vp-p control voltage (pins 5, 12, 13, 14) vic v cc v operating temperature topr ?0 to +75 ? storage temperature tstg ?5 to +150 ? allowable power dissipation p d (a2020m) 1000 mw (a2020s) 900 mw led drive current i led 10 ma operating supply voltage range 8.5 to 9.5 v ?1 cxa2020m/s e94y28a1y-ps eiaj sound multiplexing decoder sony reserves the right to change products and specifications without prior notice. this information does not convey any licens e by any implication or otherwise under any patents or other right. application circuits shown, if any, are typical examples illustr ating the operation of the devices. sony cannot assume responsibility for any problems arising out of the use of these circuits. cxa2020s 22 pin sdip (plastic) cxa2020m 28 pin sop (plastic) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 gnd nc refl vcc mo mode mpx in nc cubi ledst ledsu ledm subi sc out sc in mc out mc in l out r out m out fomo mute mode cxa2020s 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 gnd nc refl vcc mo mode mpx in nc cubi ledst ledsu ledm subi sc out sc in mc out mc in l out r out m out fomo mute mode cxa2020m nc 23 24 25 26 27 28 nc nc nc nc nc cxa2020m cxa2020s
2 cxa2020m/s block diagram cxa2020m cxa2020s gnd nc refl vcc mo mode mpx in nc cubi ledst ledsub ledmain subi sc out sc in mc out mc in l out r out m out fomo mute mode 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 ibias voltage regulator bias current buffer bias voltage mpx signal in amp 4.5f h trap sub bpf sub det cue bpf am demod 952hz bpf comp led drive 3.5f h vco cue carrier 952hz clock 3.5f h clock iil logic & cont main out output amp & output sw matrix sub main lr test maindeem subdeem fm demod 23 24 25 26 27 28 nc nc nc nc nc nc gnd nc refl vcc mo mode mpx in nc cubi ledst ledsub ledmain subi sc out sc in mc out mc in l out r out m out fomo mute mode 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 ibias voltage regulator bias current buffer bias voltage mpx signal in amp 4.5f h trap sub bpf sub det cue bpf am demod 952hz bpf comp led drive 3.5f h vco cue carrier 952hz clock 3.5f h clock iil logic & cont main out output amp & output sw matrix sub main lr test maindeem subdeem fm demod
3 cxa2020m/s pin description (ta = 25 c, v cc = 9v) the pin numbers in parentheses are for the cxa2020s. pin no. sdip sop symbol 1 1 gnd 0 gnd. 2 7 2 5 8 10 14 15 24 27 nc keep these pins open. (they are not connected to the chip.) 3 3 refl 1.2v the noise elimination filter connection of internal reference voltage. 6 7 mpxin 4.1v sound multiplexing signal input. typical input level = 70mvrms (monaural, 100%) 8 9 cubi 4.1v bias capacitor connection of cue pulse generator. 5 6 mo mode forced monaural mode selection. when low or open, the forced monaural mode operates for stereo broadcasts only; if high, the forced monaural mode operates for both stereo and bilingual broadcasts. 4 4v cc power supply. pin voltage equivalent circuit description vcc 147 gnd 3 3.3k 20k 20k 24k gnd (5) 10.5k 6 50k 70k vcc 147 80 gnd 138k (6) 25k 30k 4.2v 7 vcc 147 (8) 1k 40k 40k 40k vcc 11k 2k 4.2v 9
4 cxa2020m/s pin no. sdip sop symbol 9 11 ledst 11 13 ledm 12 16 mode 10 12 ledsu mode indicator led connection. pin 11 (9): stereo pin 12 (10): sub pin 13 (11): main dc voltage-based output mode switch for bilingual broadcasts. 13 17 mute output muting. when high, only dc is output from pins 19, 20 and 21 (15, 16 and 17). 14 18 fomo forced monaural. when high, forced monaural (main sound) mode is selected and the led turns off. 15 19 mout 4.1v main signal output. always outputs the main signal component, regardless of the broadcast mode. pin voltage equivalent circuit description gnd (9) (10) (11) 11 12 13 64k 16k 10.5k 64k 16k 10.5k 64k 16k 10.5k (12) 20k 10.5k 40k 16k vcc 20 gnd 16 4.2v gnd gnd (13) 10.5k 50k 70k 17 gnd gnd (14) 10.5k 50k 70k 18 (15) vcc 147 gnd 17.2k 1.5m 32k 32k vcc 19
5 cxa2020m/s pin no. sdip sop symbol 16 20 rout 4.1v r-ch output. 17 21 lout 4.1v l-ch output. during "test", the cue signal component passed through the cue bpf is output. 18 22 mcin 4.1v 19 23 mcout 3.4v dc cut capacitor connection of main signal. 20 25 scin 4.1v 21 26 scout 3.9v dc cut capacitor connection of sub signal. 22 28 subi 4.1v bias capacitor connection of sub fm detector. "test" mode, used for filter adjustment, is activated by grounding this pin. pin voltage equivalent circuit description (22) 147 8k 64k 8k vcc 20 80 16k 1.7v 4.2v 147 1k 16k vcc 28 4.2v 147 80 20p vcc 80 gnd (21) vcc 147 147 26 (20) vcc 16k 25 4.2v 320 8k 40k (19) (18) vcc vcc 147 147 16k 4.2v 147 160 147 80 80 20p gnd vcc 23 22 (17) vcc 147 gnd 17.2k 1.5m 32k 32k vcc 21 (16) vcc 147 gnd 17.2k 1.5m 32k 32k vcc 20
6 cxa2020m/s electrical characteristics measurement circuit (cxa2020m) cxa2020m gnd signal sig att sw5 e1 9v c2 47f c1 10f a gnd c3 10f e5 c4 10f r2 910 stereo r3 910 sub r4 910 main gnd e4 gnd e3 gnd e2 sw1 sw2 sw3 15khz lpf ccir filter measurement system rms distortion dcvolt l out r out main out c10 1f c9 1f c10 10f on off sw6 test (on) norm (off) sw4 ? att is set to bring l r stereo separation to a minimum. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2 3 4 5 6 7 8 9 10 11 12 13 14 1
7 cxa2020m/s electrical characteristics (ta = 25 c, v cc = 9v) the pin numbers in parentheses are for the cxa2020s. no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit 1 2 3 4 5 6 7 8 current consumption sub output level 400hz sub frequency characteristics 1khz sub frequency characteristics 10khz sub distortion sub s/n ratio stereo distortion l-ch stereo distortion r-ch i cc vs1 fs1 fs2 ds ns dstl dstr 1 4 4 4 4 4 4 4 1 2 and 3 2 and 3 2 and 3 2 and 3 2 and 3 2 2 measure current input to pin 4 input signal: sig1 measure output amplitude (400hz, sine wave) of pins 20 and 21 (16 and 17): vs1 (15klpf) input signal: sig2 measure output amplitude (1khz, sine wave) of pins 20 and 21 (16 and 17): vs2 fs1 = 20log (15klpf) input signal: sig3 measure output amplitude (10khz, sine wave) of pins 20 and 21 (16 and 17): vs3 fs2 = 20log (15klpf) input signal: sig2 measure distortion of output signal (1khz, sine wave) of pins 20 and 21 (16 and 17) (15klpf) input signal: sig2 measure s/n ratio of output (1khz) of pins 20 and 21 (16 and 17) (15klpf, rms) input signal: sig4 measure distortion of output signal (1khz, sine wave) of pin 21 (17) (15klpf) input signal: sig5 measure distortion of output signal (1khz, sine wave) of pin 20 (16) (15klpf) pin 4 pins 20 and 21 (16 and 17) ? 1 pins 20 and 21 (16 and 17) ? 1 pins 20 and 21 (16 and 17) ? 1 pins 20 and 21 (16 and 17) ? 1 pins 20 and 21 (16 and 17) ? 1 pin 21 (17) pin 20 (16) 17 480 1.6 19.0 59 25 580 0.6 16.5 1 64 0.2 0.2 36 690 0 14.0 2 1.5 1.5 ma mvrms db db % db % % vs2 vs1 vs3 vs1 ? 1 when bias condition is "3", measurement point is pin 20 only.
8 cxa2020m/s 9 10 11 12 13 14 15 stereo output level l-ch 1khz stereo output level r-ch 1khz main output level main out main output level main frequency characteristics 1khz main frequency characteristics 10khz main distortion main out vstl vstr vm1 vm2 fm1 fm2 dm1 4 4 4 4 4 4 4 2 2 2 2 2 2 2 input signal: sig4 measure output amplitude (1khz, sine wave) of pin 21 (17) (15klpf) input signal: sig5 measure output amplitude (1khz, sine wave) of pin 20 (16) (15klpf) input signal: sig6 measure output signal (400hz, sine wave) of pin 19 (15) (15klpf) input signal: sig6 measure amplitude of output signal (400hz, sine wave) of pins 20 and 21 (16 and 17) (15klpf) input signal: sig7 measure output amplitude (1khz, sine wave) of pins 20 and 21 (16 and 17): vm3 fm1 = 20log (15klpf) input signal: sig8 measure output amplitude (10khz, sine wave) of pins 20 and 21 (16 and 17): vm4 fm2 = 20log (15klpf) input signal: sig7 measure distortion of output signal (1khz, sine wave) of pin 19 (15) (15klpf) pin 21 (17) pin 20 (16) pin 19 (15) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pin 19 (15) 440 440 480 480 1.6 16.0 540 540 580 580 0.6 14.0 0.2 640 640 690 690 0 12.0 1 mvrms mvrms mvrms mvrms db db % vm3 vm2 vm4 vm2 no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit
9 cxa2020m/s 16 17 18 19 20 21 main distortion main distortion at maximum input main s/n ratio stereo separation l r stereo separation r l cross talk main sub dm2 dm3 nm sstr sstl cms1 4 4 4 4 4 2 2 2 2 2 2 2 input signal: sig7 measure distortion of output signal (1khz, sine wave) of pins 20 and 21 (16 and 17) (15klpf) input signal: sig9 measure distortion of output signal (1khz, sine wave) of pins 20 and 21 (16 and 17) (15klpf) input signal: sig7 measure s/n ratio of output signal (1khz) of pins 20 and 21 (16 and 17) (15klpf. rms) input signal: sig4 sstr = 20log (db) (15klpf) input signal: sig5 sstl = 20log (db) (15klpf) input signal: sig15 calculate the level difference between the output amplitude of pins 20 and 21 (16 and 17) (vms1) and the measured value (vm3) in measurement no. 13 cms1 = 20log (db) (15klpf, 1kbpf) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) 65 35 35 55 0.2 0.3 73 45 45 58 1 2 % % db db db db output amplitude pin 21 (17) output amplitude pin 20 (16) output amplitude pin 20 (16) output amplitude pin 21 (17) vm3 vms1 no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit
10 cxa2020m/s 22 23 24 25 26 27 cross talk sub main cross talk main sub both mode cross talk sub main both mode residual carrier sub residual carrier main mute volume main csm1 cms2 csm2 lcs lcm mm 2 2 2 3 3 4 1 3 3 2 1 4 input signal: sig2 calculate the level difference between the output amplitude of pins 20 and 21 (16 and 17) (vsm1) and the measured value (vs2) in measurement no. 3. csm1 = 20log (db) (15klpf, 1kbpf) input signal: sig15 calculate the level difference between the output amplitude of pin 20 (16) (vms2) and the output amplitude of pin 21 (17) (vms3). cms2 = 20log (db) (15klpf, 1kbpf) input signal: sig2 calculate the level difference between the output amplitude of pin 21 (17) (vsm2) and the output amplitude of pin 20 (16) (vsm3). csm2 = 20log (db) (15klpf, 1kbpf) input signal: sig11 measure subcarrier component amplitude of the output of pins 20 and 21 (16 and 17). input signal: sig11 measure the subcarrier component amplitude of the output of pins 20 and 21 (16 and 17). input signal: sig7 calculate the level difference between the output amplitude of pins 20 and 21 (16 and 17) (vmm) and the measured value (vm3) in measurement no. 13. mm = 20log (db) (15klpf, 1kbpf) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) 60 55 60 70 70 58 70 10 12 80 30 20 db db db mvrms mvrms db vs2 vsm1 vms3 vms2 vsm3 vsm2 vm3 vmm no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit
11 cxa2020m/s 28 29 30 31 32 33 34 mute volume sub mute volume stereo dc offset stereo l-ch dc offset stereo r-ch dc offset main out cue detection sensitivity sub detection sensitivity ms mst ostl ostr om cd sd 4 4 3 3 3 4 4 4 2 and 4 2 and 4 2 and 4 2 and 4 2 2 input signal: sig2 caluculate the level difference between the output amplitude of pins 20 and 21 (16 and 17) (vms) and the measured value (vs2) in measurement no. 3. ms = 20log (db) (15klpf, 1kbpf) input signals: sig4, 5 measure the level difference between the output signals of pins 20 and 21 (16 and 17) under bias conditions 2 and 4. mst = 20log input signal: sig18 measure the fluctuation in the output dc level of pin 21 (17) under bias conditions 2 and 4. input signal: sig18 measure the fluctuation in the output dc level of pin 20 (16) under bias conditions 2 and 4. input signal: no signal measure the fluctuation in the output dc level of pin 19 (15) under bias conditions 2 and 4. input signal: sig12 change sig12 and measure amount of attenuation at the point "monaural" switches to "sound multiplex". input signal: sig13 change sig13 and measure amount of attenuation at the point "monaural" switches to "sound multiplex". pins 20 and 21 (16 and 17) pins 20 and 21 (16 and 17) ? 2 pin 21 (17) pin 20 (16) pin 19 (15) 70 70 9 10 80 80 20 20 20 14 13 100 100 100 17 18 db db mv mv mv db db vs2 vms measured value under bias condition 2 (mvrms) measured value under bias condition 4 (mvrms) ? 2 measure pin 21 for sig4 input; pin 20 for sig5 input. no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit
12 cxa2020m/s 35 36 cue bpf gain 4.5f h trap attenuation level cg tg 5 6 2 2 input signal: sig14 measure the output amplitude of pin 21 (17). input signal: sig16, 17 measure output amplitude of pin 28 (22) and then measure the level difference in the output signal for sig16 input and sig17 input. tg = 20log pin 21 (17) pin 28 (22) 330 20 480 38 620 mvrms db measured value for sig16 (mvrms) measured value for sig17 (mvrms) sw condition table 123456 sw no 1 2 3 4 5 6 off off off on off off bias condition table e5 bias no 1 2 3 4 0.5v 0.5v 0.5v 0.5v e4 0.5v 0.5v 0.5v 0.5v e2 0.5v 4.5v 2.5v 4.5v e1 9v 9v 9v 9v e3 0.5v 0.5v 0.5v 4.5v off on off off off off off off on off on on off off off off on off off off off off on on off off off off off on no. item symbol sw condi- tions bias condi- tions conditions measure- ment point min. typ. max. unit
13 cxa2020m/s input signal definition sig1 : sound mpx signal main : 0% sub : 400hz, 100% mod cue : bilingual sig2 : sound mpx signal main : 0% sub : 1khz, 100% mod cue : bilingual sig3 : sound mpx signal main : 0% sub : 10khz, 100% mod cue : bilingual sig4 : sound mpx signal l-ch : 1khz, 100% r-ch : 0% cue : stereo sig5 : sound mpx signal l-ch : 0% r-ch : 1khz, 100% cue : stereo sig6 : sound mpx signal main : 400hz, 100% sub : carrier off cue : cue signal off sig7 : sound mpx signal main : 1khz, 100% sub : carrier off cue : cue signal off sig8 : sound mpx signal main : 10khz, 100% sub : carrier off cue : cue signal off sig9 : sound mpx signal main : 1khz, 300% sub : carrier off cue : cue signal off sig10 : sound mpx signal l-ch : 1khz, 100% r-ch : 0% cue : cue signal off sig11 : sound mpx signal main : 0% sub : 0% (carrier only) cue : bilingual sig12 : sound mpx signal main : 0% sub : 0% (carrier only) cue : bilingual (level adjusted to minimum) sig13 : sound mpx signal main : 0% sub : 0% (level adjusted to minimum) cue : bilingual sig14 : 55.069khz sine wave 5.6mvrms sig15 : sound mpx signal main : 1khz, 100% sub : 0% (carrier only) cue : bilingual sig16 : 31.47khz sine wave 42mvrms sig17 : 70.80khz sine wave 42mvrms sig18 : sound mpx signal l-ch : 0% r-ch : 0% cue : stereo ? sound mpx signal level is defined as 100% mono at 1vp-p.
14 cxa2020m/s output and led on/off table mode sw sub both main forced monaural mode forced monaural mute l r main stereo sub main output condition led on/off condition broadcast condition stereo on on on on on on f.mono f.mono f.mono f.main f.main f.main f.main off on off off off on off off on off off off off off off off on off on l l + r dc sub main main sub main main main dc mono dc r l + r dc sub sub main sub sub main main dc mono dc l + r l + r dc main main main main main main main dc mono dc on off off off off off off off off off off off off off off off on on off on on off off off off off off off off off on on off on on off off off off bilingual monaural : no response control voltage range the information in parentheses is for the cxa2020s. mode sw pin 16 (pin12) sub both main on off on off f.main f.mono voltage range 4.5v to v cc 2v to 3v(or open) 0v to 0.5v 3v to v cc 0v to 0.5v (or open) 3v to v cc 0v to 0.5v (or open) 3v to v cc 0v to 0.5v (or open) forced monaural pin 18 (pin 14) mute pin 17 (pin 13) forced monaural mode pin 6 (pin 5) description of operation the information in parentheses is for the cxa2020s. the sound mutiplexing signal input from pin 7 (pin 6) is passed through in amp and is applied to the cue bpf, sub bpf, and main de-emphasis circuit. 1. discrimination circuits cue bpf passes only the cue signal component from the multiplex signal. in the am demodulator, the signal (am wave) is am detected and one of two sine waves is generated, either a 922.5hz signal for bilingual broadcasts or a 982.5hz signal for stereo broadcasts. in the 952hz bpf, the 3.5f h carrier component is eliminated from the cue signal after am wave detection. the cue signal, from which the carrier component has been eliminated, is waveform shaped by comp, with the resulting 922.5hz or 982.5hz pulse being applied to the logic section. in the 3.5f h vco, a 3.5f h pulse locked onto the cue signal carrier (3.5f h ) is created and sent to the logic section. in the logic section, the broadcast mode is identified using the countdown method. depending on this result as well as the presence of a sub signal from sub detector and the mute on/off, mode switching, and fomo on/off instructions from cont, the output switching control signal is created. this signal is used to control the output condition of output sw and main out.
15 cxa2020m/s 2. main circuits in main deem, de-emphasis is applied to the main signal component and the sub and cue components are removed. after passing through the main deem, the main signal is applied to matrix, output amp, and mainout. 3. sub circuits in sub bpf, only the sub signal component out of multiplex signals is passed through. in the 4.5f h trap, the digital facsimile signal component is removed. in fm demod, the sub signal is fm demodulated. in sub deem, the fm demodulated sub signal is de-emphasized and the carrier component is removed. after passing through sub deem, the sub signal is applied to matrix and output amp. 4. matrix and output circuits in matrix, the l and r signals are created by adding and subtracting the main signal from main deem and the sub signal from sub deem in stereo broadcast. in output amp and output sw, the output signal is switched under the control of logic. in addition, main out always outputs the main signal component, regardless of the broadcast mode. adjustment separation adjustment fig. 1 procedure 1) connect components as shown in fig. 1. (set sw4 to norm.) 2) set the encoder to stereo mode, and input a 100% modulated 1khz signal; also set the encoder so that only the l-ch is output. 3) monitor the oscilloscope and ac voltmeter and adjust vr2 so that the r-ch is at a minimum. (separation standard: 35db or more) eiaj sound multiplexing encoder mpx in vr2 oscilloscope application circuit l. out r. out l r ch1 ch2 switch 1khz bpf ac voltmeter
16 cxa2020m/s cxa2020s application circuit cxa2020m cxa2020m 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 gnd c2 47f c1 10f c3 10f c4 10f r2 910 stereo r3 910 sub r4 910 main r7 3.6k l out r out main out c8 1f c9 1f c10 10f test (on) norm (off) sw4 vr2 1k mpx in 70mvrms (mono 100%) sw5 ? f. main f. mono vcc 9v sub main sw1 both r5 2.4k r6 2.4k sw2 on off on sw3 off c5 10f c7 10f c6 10f 23 24 25 26 27 28 ? sw5: f. mono- forced monaural mode operates only for stereo. f. main- forced monaural mode operates for both stereo and bilingual. cxa2020s 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 gnd c2 47f c1 10f c3 10f c4 10f r2 910 stereo r3 910 sub r4 910 main r7 3.6k l out r out main out c8 1f c9 1f c10 10f test (on) norm (off) sw4 vr2 1k mpx in 70mvrms (mono 100%) sw5 ? f. main f. mono vcc 9v sub main sw1 both r5 2.4k r6 2.4k sw2 on off on sw3 off c5 10f c7 10f c6 10f ? sw5: f. mono- forced monaural mode operates only for stereo. f. main- forced monaural mode operates for both stereo and bilingual. application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility fo r any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same .
17 cxa2020m/s example of representative characteristics de-emphasis characteristics output level [db] frequency [hz] main 100 1k 10k 15 10 5 0 sub bpf frequency characteristics output level [db] frequency [khz] 10 60 40 20 0 20 30 40 50 60 70 80 100 90 cue bpf frequency characteristics attenuation level [db] frequency [hz] 3.5f h 40k 60 40 20 0 3.5f h 20k 3.5f h 3.5f h +20k 3.5f h +40k main distortion characteristics distortion [%] main modulation factor [%] 100 1 2 3 200 300 400 500 sub
18 cxa2020m/s package outline unit: mm cxa2020m sct ass'y sony code eiaj code jedec code sop-28p-l04 package structure package material lead treatment lead material package mass 42/copper alloy solder plating epoxy resin 28pin sop (plastic) 18.8 0.1 + 0.4 15 28 0.45 0.1 1.27 9.3 2.3 0.15 + 0.4 0.1 0.05 + 0.2 0.5 0.2 0.2 0.05 + 0.1 7.6 0.1 + 0.3 10.3 0.4 14 m 0.24 sop028-p-0375 1 0.7g 0.15 sony code eiaj code jedec code sop-28p-l04 package structure package material lead treatment lead material package mass 42/copper alloy solder plating epoxy resin 28pin sop (plastic) 18.8 0.1 + 0.4 15 28 0.45 0.1 1.27 9.3 2.3 0.15 + 0.4 0.1 0.05 + 0.2 0.5 0.2 0.2 0.05 + 0.1 7.6 0.1 + 0.3 10.3 0.4 14 m 0.24 sop028-p-0375 1 0.7g 0.15 lead plating specifications item lead material copper alloy solder composition sn-bi bi:1-4wt% plating thickness 5-18 m spec.
19 cxa2020m/s sony code eiaj code jedec code package structure molding compound lead treatment lead material package mass epoxy resin solder plating copper alloy 22pin sdip (plastic) sdip-22p-01 sdip022-p-0300 0.95g 1.778 11 12 1 22 19.2 0.1 + 0.4 7.62 6.4 0.1 + 0.3 0.25 0.05 + 0.1 0 to 15 0.5 0.1 0.9 0.1 + 0.15 3.25 0.2 + 0.15 0.51 min 3.9 0.1 + 0.4 1.all mat surface type. two kinds of package surface: 2.all mirror surface type. package outline unit: mm cxa2020s sony corporation

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