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? e98346c8y 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. absolute maximum ratings (ta=25 ?) supply voltage v cc ?.3 to +6 v supply voltage v ee ?.5 to +0.3 v digital input voltage vdi ?.3 to v cc +0.3 v operating temperature topr ?0 to +70 ? storage temperature tstg ?5 to +150 ? allowable power dissipation tssop38 p d 1000 mw operating conditions supply voltage v cc +4.4 to +5.5 v v ee ?.0 to ?.6 v mr bias voltage v mr ?00 to +300 mv bias current i b 3 to 8 ma write current i w 15 to 45 ma description the cxa3238tn/CXA3239TN is a read/write amplifier for gmr-ind (giant magneto resistive- inductive) heads used in hard disk drives, and is capable of supporting up to six channels. features +5 v and ? v power supply. current bias voltage sense type. drives up to six heads (cxa3238tn) drives up to four heads (CXA3239TN) low power 180 mw at read differential read amplifier gain ; 140/190 (r mr =50 ) input noise of 0.77 nv/ hz (typ.), r mr =50 , i b =6.0 ma. recovery time write to read ; 300 nsec. (typ.) write data is triggered by differential p-ecl signal. servo bank write. (all channels) write unsafe detection circuit. serial port head selection mr bias write current applications hard disk drives with gmr-ind heads. structure bipolar silicon monolithic ic 6/4-channel read/write amplifier for gmr-ind head hard disk drive 38 pin tssop (plastic) cxa3238tn/CXA3239TN
2 cxa3238tn/CXA3239TN a m p d r i v e r d r i v e r d r i v e r d r i v e r a m p a m p d r i v e r a m p d r i v e r a m p a m p b i a s c u r r e n t s o u r c e w r i t e c u r r e n t s o u r c e w d b u f s e r i a l i n t e r f a c e a m p 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v r / x w s d e n c a p v e e w 0 x w 0 y r 0 x r 0 y w 1 x r 5 y r 5 x w 5 y w 5 x w 4 x w 4 y r 4 x r 4 y r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y r 1 y r 1 x w 1 y 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 block diagram and pin configuration cxa3238tn
3 cxa3238tn/CXA3239TN CXA3239TN a m p d r i v e r d r i v e r a m p b i a s c u r r e n t s o u r c e w r i t e c u r r e n t s o u r c e w d b u f s e r i a l i n t e r f a c e 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 a m p r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v n c n c n c n c n c r / x w s d e n c a p v e e r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y w 1 x w 1 y r 1 x r 1 y r 0 y r 0 x w 0 y w 0 x n c n c v e e 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 a m p d r i v e r a m p d r i v e r
4 cxa3238tn/CXA3239TN pin description cxa3238tn pin symbol equivalent circuit description no. 1 2 3 12 4 5 6 7 9 8 rs sclk sdata sden wdx wdy v cc gnd rdx rdy v c c v e e g n d 2 5 0 v b g r ? 1 . 3 v 1 v c c v e e g n d 2 3 1 2 1 4 k 7 . 5 k 2 v f v c c v e e g n d 1 0 0 1 0 0 4 5 v c c v e e g n d 8 9 1 0 0 1 . 8 m a bias current setting resister is connected between this pin and gnd. serial control signal input. differential p-ecl write data input. 5 v power supply. ground read amplifier output with coupling capacitors. high impedance in the write mode.
5 cxa3238tn/CXA3239TN pin symbol equivalent circuit description no. 10 11 13 14 15 16 19 20 26 25 27 28 34 33 35 36 flt/se/bhv r/xw cap v ee w0x w0y w1x w1y w2x w2y w3x w3y w4x w4y w5x w5y v c c v e e g n d 1 0 0 1 0 k 1 0 v c c v e e g n d 1 0 0 k 3 v f 1 1 v c c v e e 1 3 v c c v e e g n d 1 5 1 6 1 9 2 0 2 5 2 6 2 7 2 8 3 3 3 4 3 5 3 6 head unsafe detection output. servo bank write enable input. buffered head voltage output. read / write control signal input. read when high, write when low. connect an external capacitor of read amplifier between this pin and v ee . ? v power supply. inductive heads for write. six channels are provided.
6 cxa3238tn/CXA3239TN pin symbol equivalent circuit description no. 17 18 21 22 24 23 29 30 32 31 37 38 r0x r0y r1x r1y r2x r2y r3x r3y r4x r4y r5x r5y v c c v e e 1 7 1 8 2 1 2 2 2 3 2 4 2 9 3 0 3 1 3 2 3 7 3 8 mr heads for read. six channels are provided.
7 cxa3238tn/CXA3239TN pin description CXA3239TN pin symbol equivalent circuit description no. 1 2 3 17 4 5 6 7 9 8 rs sclk sdata sden wdx wdy v cc gnd rdx rdy v c c v e e g n d 2 5 0 v b g r ? 1 . 3 v 1 v c c v e e g n d 2 3 1 7 1 4 k 7 . 5 k 2 v f v c c v e e g n d 1 0 0 1 0 0 4 5 v c c v e e g n d 8 9 1 0 0 1 . 8 m a bias current setting resister is connected between this pin and gnd. serial control signal input. differential p-ecl write data input. 5 v power supply. ground read amplifier output with coupling capacitors. high impedance in the write mode.
8 cxa3238tn/CXA3239TN 8 pin symbol equivalent circuit description no. 10 11 12 13 14 15 21 22 16 18 19, 20 flt/se/bhv nc r/xw cap v ee v c c v e e g n d 1 0 0 1 0 k 1 0 v c c v e e g n d 1 0 0 k 3 v f 1 6 v c c v e e 1 8 head unsafe detection output. servo bank write enable input. buffered head voltage output. non connection read / write control signal input. read when high, write when low. connect an external capacitor of read amplifier between this pin and v ee . ? v power supply.
9 cxa3238tn/CXA3239TN pin symbol equivalent circuit description no. 23 24 29 30 33 34 35 36 25 26 27 28 31 32 37 38 w0x w0y w1y w1x w2y w2x w3x w3y r0x r0y r1y r1x r2y r2x r3x r3y v c c v e e g n d 2 3 3 5 2 4 3 6 2 9 3 0 3 3 3 4 inductive heads for write. four channels are provided. mr heads for read. four channels are provided. v c c v e e 2 8 3 1 3 2 2 5 3 7 3 8 2 6 2 7
10 cxa3238tn/CXA3239TN electrical characteristics (unless otherwise specified; v cc =5 v, v ee =? v, ta=25 c, cap=0.1 f, rs=7.5 k ) no. item symbol measurement conditions min. typ. max. unit power dissipation i w =31 ma, i b =6.0 ma digital inputs 1-1 1-2 1-3 1-4 1-6 1-7 1-8 1-9 v cc power supply current v ee power supply current bank write mode i sp1 i id1 i re1 i wr1 i id2 i re2 i wr2 i ccbw v il v ih i ttl v sil v sih i st v wdv v wda i wd v pih v pil vdiff sleep mode idle mode read mode write mode idle mode read mode write mode i ccbw =17+17 n+i w n, i w =31 ma ttl input; r/xw pull-up resister : 100 k high voltage : 5 v low voltage : 0 v serial input; sdata, sclk, sden high voltage : 5 v, low voltage : 0 v pull-down resister : 14 k write data input input voltage : 4 v v dd =3.3 v (v pih ? pil ) 2 2.1 2.8 ma 22 29 ma 36 47 ma 80 100 ma 10 13 ma 10 13 ma 10 13 ma 300 ma 0 0.8 v 2.0 v cc + v 0.3 ?00 100 a 1 v 4 v ?000 1000 a v cc v cc v ?.5 +0.3 0.3 1.5 v ?0 20 a v dd ?.2 v dd v 2.0 v dd ?.5 v dd ?.3 v 400 800 1300 mv ttl input low input voltage ttl input high input voltage ttl input input current serial interface input low input voltage serial interface input high input voltage serial interface input input current p ecl input voltage range p ecl input input amplitude p ecl input current p ecl input high input voltage 2 p ecl input low input voltage 2 p ecl input differential voltage 2 2-1 2-2 2-3 2-4 2-5 2-6 3-1 3-2 3-3 3-4 3-5 3-6
11 cxa3238tn/CXA3239TN no. item symbol measurement conditions min. typ. max. unit 4-1 4-2 5-1 5-2 6 bank write enable voltage bank write enable current flt output low voltage flt output high voltage bhv gain accuracy v seh i seh v fltl v flth e bhv external resistance=2.4 k external resistance=2.4 k v bhv =v cc ? i b (r mr +5.5 ) i b =?,1,1 r mr =50 v cc v cc v +1.2 +1.4 6 14 ma 0.8 v 4.5 v ? 8 % read characteristics r mr =50 , i b =6.0 ma a vl a vh f cl f ch e ni i br1 e ib rib psrr1 psrr2 cmrr1 cmrr2 clrr v off1 rdro [gain]=0 r mr =50 , i b =6.0 ma [gain]=1 r mr =50 , i b =6.0 ma exclusive of head noise r mr =50 , i b =6.0 ma 3 bit dac ripple voltage : 100 mvp-p 100 khz to 50 mhz ripple voltage : 100 mvp-p 100 khz to 10 mhz ripple voltage : 100 mvp-p 100 khz to 50 mhz ripple voltage : 100 mvp-p 51 mhz to 80 mhz ripple voltage : 100 mvp-p 4 mhz to 80 mhz write to read differential, read mode 115 140 165 v/v 155 190 225 v/v 350 550 khz 140 200 mhz 0.77 0.95 nv/ hz 3 8 ma ? +7 % 0.714 ma 38 db 45 db 37 db 27 db 40 db 50 mv 30 100 low gain high gain low frequency cut-off (? db) high frequency cut-off (? db) input reflected noise mr bias current range 1 mr bias accuracy mr bias resolution v cc power supply rejection ratio v ee power supply rejection ratio common mode rejection ratio 1 common mode rejection ratio 2 control line input noise rejection rdx/rdy offset difference magnitude rdx/rdy output impedance r1 r2 r3 r4 r5 r6 r7 r8 r9-1 r9-2 r10-1 r10-2 r11 r12 r13
12 cxa3238tn/CXA3239TN no. item symbol measurement conditions min. typ. max. unit read safety characteristics write characteristics p1 p2 w1 w2 w3 w4 w6 w7 w8 w9 mr head open threshold mr head short threshold write current range write current accuracy write current resolution leakage current damping register write current propagation delay time write current rise/fall time erase current accuracy mrop mrsh i wr e iw r iw i leak r d tpd t r /t f e ie head x - head y head x - head y ib= ?00?to ?11 dac code= ?000?to ?111 r h =0 4 bit dac unselected head l h =0, r h =0 write data to 50 % of write current r h =15 , l h =150 nh, i w =31 ma v cc =3.5 v dac code= ?101 600 750 900 mv 15 50 90 mv 15 45 ma ? +7 % 2 ma 200 a 320 420 520 10 ns 2.5 ns ?8 ? 0 % write safety characteristics u1 u2 u3 u4 u5 u6 u7 write head open threshold head voltage when short to gnd wd frequency too low write safety detect time low v cc threshold low v cc threshold low v cc threshold hysteresis r op v g f wdl t ws vwthl vwthh vhys detect open head detect short to gnd t1 : 2 transitions on wdx/wdy fault detected fault removed 1.2 1.4 v 0.1 v 0.5 1.8 mhz 300 ns +t1 3.7 3.9 4.1 v 3.9 4.1 4.3 v 200 mv
13 cxa3238tn/CXA3239TN no. item symbol measurement conditions min. typ. max. unit switching characteristics i w =31 ma, i b =6 ma bank write characteristics i w =31 ma, i b =6 ma s1 s2 s3 s4-1 s4-2 s5 s6 s7 b1 b2 b4 b5 b6 b7 b8 write to read read to write idle to read sleep to read(a3238) sleep to read(a3239) read to bank write bank write to read idle to bank write idle to write set up time hold time sclk frequency sclk pulse width sclk-sdata set up time sclk-sdata hold time sden low time t wr t rw t ir t sr1 t sr2 t rb t br t iw tsu (sden) th (sden) f (sclk) tw (sclk) tsu (d) th (d) t sl signal on wdx/wdy 90 % rd signal or 10 % i w 90 % i w 90 % rd signal 90 % rd signal ,90 % ib (*1) ib="0,1,1" 90 % rd signal ,90 % ib (*1) ib="0,1,1" 90 % i w 10 % i w 90 % i w sden to first sclk last sclk to deassert sden 300 500 ns 50 70 ns 1.0 s 600 1000 s 600 2000 s 100 ns 100 ns 300 us 10 ns 10 ns 30 mhz 10 ns 10 ns 10 ns 100 ns serial port timing ( * 1) tsr is proportional to ib and external cap value
14 cxa3238tn/CXA3239TN serial port characteristics * ib<2-0> bits are initialized by ??at power on adr1 adr0 data5 data4 data3 data2 data1 data0 0 0 xslp xidl n/a hs2 hs1 hs0 0 1 gain bhv n/a ib2 ib1 ib0 1 0 mropn mrsht iw3 iw2 iw1 iw0 code description bit xslp xidl hs<2-0> gain bhv ib<2-0> mropn mrsht iw<3-0> function ??= set the pre-amp into low power ?leep?mode ??= set preamplifier to idle mode head select bit set the pre-amp to high or low gain mode. ??= set preamplifier to high gain mode activate the bhv test point pin. ??active. mr bias current set ??= set mr head open detector active. ??= set mr head short detector active. set write current
15 cxa3238tn/CXA3239TN mode control serial port timing detail serial port timing after the sden goes high, the last eight bits are transferred into the register. the sclk will shift the data presented at the sdata into an internal shift register on the rising edge of each clock. as sclk initial condition, both of low and high signal is acceptable. w r i t e x s l p = 1 x i d l = 1 r / x w = l r e a d x s l p = 1 x i d l = 1 r / x w = h i d l e x s l p = 1 x i d l = 0 r / x w = x s l e e p x s l p = 0 t s l t h ( s d e n ) t s u ( s d e n ) t s u ( d ) t h ( d ) t w ( s c l k ) f ( s c l k ) a 1 a 0 d 5 d 4 d 3 d 2 d 1 d 0 s d e n s c l k s d a t a
16 cxa3238tn/CXA3239TN unsafe condition 1. write fault condition flt is a high level in write fault condition. open write head leads. f wd < 15 mhz write head leads shorted to ground. wd frequency is too low. power supply is out of tolerance. 2. read fault condition flt is a low level in read fault condition. open and short mr head. (this function is set by serial register) bank write control (refer to ?ank write current vs current accuracy?characteristic curve) 1. set the read mode. 2. force a certain voltage(min.v cc +1.2v) to flt/se pin by using the pull-up resister(rse=820 ) #this operation disables all fault detection. 3. set v cc at 3.5 v (in case of erase mode only) 4. start the write operation by setting r/xw = ?? 5. terminate the write operation by setting r/xw = ?? i) allow 50 % write duty or less. ii) low voltage detector is disabled in bank write mode and erase mode. iii) don t change the serial register data bits in following conditions : * ) v cc =3.5 v ** ) on entering write data bhv (buffered head voltage) 1. applicable within v cc =5 v 5 % 2. turn bhv on,but turn off mropn and mrsht 3. v bhv is determined by basis of v cc . v bhv =v cc ? i b (r mr +5.5 ) head select table 6ch hs2 0 0 0 0 1 1 1 1 hs1 0 0 1 1 0 0 1 1 hs0 0 1 0 1 0 1 0 1 head select, normal operation 0 1 2 3 4 5 none none
17 cxa3238tn/CXA3239TN head select table 4ch mr bias hs2 0 0 0 0 1 1 1 1 hs1 0 0 1 1 0 0 1 1 hs0 0 1 0 1 0 1 0 1 head select, normal operation 0 1 2 3 none none none none ib2 0 0 0 0 1 1 1 1 ib1 0 0 1 1 0 0 1 1 ib0 0 1 0 1 0 1 0 1 i b (ma) 3.0 3.714 4.429 5.143 5.857 6.571 7.286 8.0
18 cxa3238tn/CXA3239TN write current iw3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 iw2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 iw1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 iw0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 write current (ma 0-p) 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 (*1) actual head current is defined by the following equation: ihead=iw/ (i+rh/rd) rh : head resistance rd : damping resistance (*2) short x-y terminal on un-used head
19 cxa3238tn/CXA3239TN 6ch cxa3238tn 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v r / x w s d e n c a p v e e w 0 x w 0 y r 0 x r 0 y w 1 x r 5 y r 5 x w 5 y w 5 x w 4 x w 4 y r 4 x r 4 y r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y r 1 y r 1 x w 1 y tssop 38pin 0.5 mm pitch package dimension including leads 6.4 9.7 mm
20 cxa3238tn/CXA3239TN 4ch CXA3239TN 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v n c n c n c n c n c r / x w s d e n c a p v e e r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y w 1 x w 1 y r 1 x r 1 y r 0 y r 0 x w 0 y w 0 x n c n c v e e tssop 38pin 0.5 mm pitch package dimension including leads 6.4 9.7 mm
21 cxa3238tn/CXA3239TN application circuit cxa3238tn r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v r / x w s d e n c a p v e e w 0 x w 0 y r 0 x r 0 y w 1 x r 5 y r 5 x w 5 y w 5 x w 4 x w 4 y r 4 x r 4 y r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y r 1 y r 1 x w 1 y 7 . 5 k w 5 v 3 v 0 . 1 f 0 . 1 f 0 . 1 f 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8
22 cxa3238tn/CXA3239TN CXA3239TN r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v n c n c n c n c n c r / x w s d e n c a p v e e r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y w 1 x w 1 y r 1 x r 1 y r 0 y r 0 x w 0 y w 0 x n c n c v e e 7 . 5 k w 5 v 0 . 1 f 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 v 0 . 1 f 0 . 1 f
23 cxa3238tn/CXA3239TN r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v r / x w s d e n c a p v e e w 0 x w 0 y r 0 x r 0 y w 1 x r 5 y r 5 x w 5 y w 5 x w 4 x w 4 y r 4 x r 4 y r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y r 1 y r 1 x w 1 y 7 . 5 k w 1 k w 0 . 1 f 1 f 0 . 1 f 1 0 f s 6 0 . 1 f 1 f v p s r r c x a 3 2 3 8 t n v w d x v w d y v r / x w 1 0 0 0 p f v c c 2 . 4 k s 7 1 8 0 n h 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w v e e 3 3 0 0 h s / i v v s e s 6 1 0 f s 7 r 1 4 1 k r 1 3 1 k a m p 2 g a i n = 1 0 0 a m p 1 g a i n = 1 v v m 1 v v m 2 b p f 1 0 0 k h z t o 5 0 m h z 3 3 0 0 h v 1 v c c v p s r r 1 8 0 n h 1 8 0 n h 1 8 0 n h 1 8 0 n h 1 8 0 n h 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 measurement spec.circuit
24 cxa3238tn/CXA3239TN r s s c l k s d a t a w d x w d y v c c g n d r d y r d x f l t / s e / b h v n c n c n c n c n c r / x w s d e n c a p v e e r 3 y r 3 x w 3 y w 3 x w 2 x w 2 y r 2 x r 2 y w 1 x w 1 y r 1 x r 1 y r 0 y r 0 x w 0 y w 0 x n c n c v e e 7 . 5 k w 1 k w 0 . 1 f 1 f 0 . 1 f c x a 3 2 3 9 t n v w d x v w d y 1 0 0 0 p f v c c 2 . 4 k v r / x w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w 2 5 w s / i v v s e s 6 1 0 f s 7 r 1 4 1 k r 1 3 1 k a m p 2 g a i n = 1 0 0 a m p 1 g a i n = 1 v v m 1 v v m 2 b p f 1 0 0 k h z t o 5 0 m h z 3 3 0 0 h v 1 v c c v p s r r 1 8 0 n h 1 8 0 n h 1 8 0 n h 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 1 8 0 n h 2 5 w 2 5 w 1 0 f s 6 0 . 1 f 1 f v p s r r s 7 v e e 3 3 0 0 h 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9
25 cxa3238tn/CXA3239TN n o r m a l i z e d b i a s c u r r e n t v s a m b i e n t t e m p e r a t u r e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 2 5 . 0 0 . 0 2 5 . 0 5 0 . 0 7 5 . 0 i b / i b ( t a = 2 5 c ) n o r m a l i z e d b i a s c u r r e n t v s p o w e r s u p p l y v o l t a g e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 3 . 5 4 4 . 5 5 5 . 5 6 . 5 6 i b / i b ( v c c = 5 v ) a m b i e n t t e m p e r a t u r e t a ( c ) v c c ( v ) v c c = 5 v v e e = 3 v r m r = 5 0 w i b n = 1 0 0 l o w g a i n v e e = 3 v r m r = 5 0 w i b n = 1 0 0 l o w g a i n t a = 2 5 c n o r m a l i z e d r e a d a m p l i f i e r v o l t a g e g a i n v s a m b i e n t t e m p e r a t u r e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 2 5 . 0 0 . 0 2 5 . 0 5 0 . 0 7 5 . 0 a v / a v ( t a = 2 5 c ) n o r m a l i z e d r e a d a m p l i f i e r v o l t a g e g a i n v s p o w e r s u p p l y v o l t a g e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 3 . 5 4 4 . 5 5 5 . 5 6 . 5 6 a v / a v ( v c c = 5 v ) a m b i e n t t e m p e r a t u r e t a ( c ) v c c ( v ) v c c = 5 v v e e = 3 v r m r = 5 0 w i b n = 1 0 0 l o w g a i n v e e = 3 v r m r = 5 0 w i b n = 1 0 0 l o w g a i n t a = 2 5 c b a n k w r i t e c u r r e n t v s c u r r e n t a c c u r a c y 8 8 6 6 4 4 2 2 0 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 b a n k w r i t e c u r r e n t a c c u r a c y ( % ) b a n k w r i t e c u r r e n t ( m a ) b a n k w r i t e ( a 3 2 3 8 ) b a n k w r i t e ( a 3 2 3 9 ) v c c = 5 v t a = 2 5 c r h = 0 w r e a d 1 7 0 s w r i t e 3 0 s d e v i a t i o n o f b a n k w r i t e c u r r e n t i s w i t h i n 7 % a t b a s i s o f t h e c h a r t
26 cxa3238tn/CXA3239TN n o r m a l i z e d w r i t e c u r r e n t v s a m b i e n t t e m p e r a t u r e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 2 5 . 0 0 . 0 2 5 . 0 5 0 . 0 7 5 . 0 i w / i w ( t a = 2 5 c ) a m b i e n t t e m p e r a t u r e t a ( c ) v c c = 5 v v e e = 3 v i w n = 1 0 0 0 i n p u t r e f e r e d n o i s e v o l t a g e v s a m b i e n t t e m p e r a t u r e 0 . 8 2 0 . 8 0 . 7 8 0 . 7 6 0 . 7 4 0 . 7 2 0 . 7 2 5 . 0 0 . 0 2 5 . 0 5 0 . 0 7 5 . 0 e n [ n v / h z ] a m b i e n t t e m p e r a t u r e t a ( c ) v c c = 5 v v e e = 3 v r m r = 5 0 w i b n = 1 0 0 p o w e r s u p p l y o n / o f f d e t e c t o r t h r e s h o l d v o l t a g e v s a m b i e n t t e m p e r a t u r e 4 . 1 5 4 . 1 4 . 0 5 4 3 . 9 5 3 . 9 3 . 8 5 2 5 . 0 0 . 0 2 5 . 0 5 0 . 0 7 5 . 0 p o w e r s u p p l y o n / o f f d e t e c t o r t h r e s h o l d v o l t a g e ( v ) a m b i e n t t e m p e r a t u r e t a ( c ) n o r m a l i z e d w r i t e c u r r e n t v s p o w e r s u p p l y v o l t a g e 1 . 0 4 1 . 0 2 1 0 . 9 8 0 . 9 6 3 . 5 4 4 . 5 5 5 . 5 6 . 5 6 i w / i w ( v c c = 5 v ) v c c ( v ) v e e = 3 v i w n = 1 0 0 0 t a = 2 5 c o n ? o f f o f f ? o n
s o n y c o d e e i a j c o d e j e d e c c o d e p a c k a g e m a t e r i a l l e a d t r e a t m e n t l e a d m a t e r i a l p a c k a g e m a s s e p o x y r e s i n s o l d e r p l a t i n g c o p p e r a l l o y p a c k a g e s t r u c t u r e 0 . 1 g t s s o p - 3 8 p - l 1 2 1 3 8 p i n t s s o p ( p l a s t i c ) 0 . 1 0 . 1 m 0 . 2 2 5 0 . 0 7 5 1 0 . 5 1 9 4 . 5 0 . 2 6 . 4 0 . 3 2 0 3 8 9 . 8 0 . 2 0 . 1 5 a 1 . 2 m a x 0 . 5 0 . 1 0 . 0 5 m i n 0 t o 1 0 d e t a i l a 0 . 2 5 package outline unit : mm cxa3238tn/CXA3239TN 27

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