? semiconductor components industries, llc, 2012 may, 2012 ? rev. 3 1 publication order number: NLAS4157/d NLAS4157 spdt, 1 r on switch the NLAS4157 is a low r on spdt analog switch. this device is designed for low operating voltage, high current switching of speaker output for cell phone applications. it can switch a balanced stereo output. the NLAS4157 can handle a balanced microphone/speaker/ringtone generator in a monophone mode. the device contains a break ? before ? make (bbm) feature. features ? single supply operation: 1.65 v to 5.5 v v cc function directly from lion battery ? tiny sc88 6 ? pin pb ? free package: meets jedec mo ? 220 specifications ? r on typical = 0.8 @ v cc = 4.5 v ? low static power ? this is a pb ? free device typical applications ? cell phone speaker/microphone switching ? ringtone ? chip/amplifier switching ? stereo balanced (push ? pull) switching important information ? ringtone ? chip/amplifier switching ? continuous current rating through each switch 300 ma ? conforms to: jedec mo ? 220, issue h, variation veed ? 6 ? pin for pin compatible with fsa4157 http://onsemi.com sc ? 88 (sot ? 363) case 419b 1 see detailed ordering and shipping information in the package dimensions section on page 4 of this data sheet. ordering information 1 2 3 6 5 4 (top view) b1 gnd b0 s v cc a pin assignments an m 1 6 marking diagram an = specific device code m = date code* g = pb ? free package (note: microdot may be in either location) *date code orientation and/or position may vary depending upon manufacturing location.
NLAS4157 http://onsemi.com 2 figure 1. input equivalent circuit b1 s b0 a pin description pin name description a, b0, b1 data ports s control input truth table control input function l b0 connected to a h b1 connected to a h = high logic level. l = low logic level. maximum ratings symbol rating value unit v cc positive dc supply voltage ? 0.5 to +6.0 v v is analog input voltage (v no , v nc , or v com ) ? 0.5 to v cc +0.5 v v in digital select input voltage ? 0.5 to +6.0 v i anl1 continuous dc current from com to nc/no 300 ma i anl ? pk1 peak current from com to nc/no, 10 duty cycles (note 1) 500 ma i clmp continuous dc current into com/nc/no with respect to v cc or gnd 100 ma stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. defined as 10% on, 90% off duty cycle. recommended operating conditions symbol rating min max unit v cc positive dc supply voltage 1.65 5.5 v v is analog input voltage (a, b0, b1) 0 v cc v v in digital select input voltage (s) 0 v cc v t a operating temperature range ? 40 85 c t r , t f input rise or fall time, select v cc = 3.0 v v cc = 5.5 v 20 10 ns/v
NLAS4157 http://onsemi.com 3 dc electrical characteristics symbol parameter test conditions v cc (v) t a = +25 c t a = ? 40 c to +85 c unit min typ max min max v ih high level input voltage 2.7 4.5 2.0 2.4 v v il low level input voltage 2.7 4.5 0.6 0.8 v i in input leakage current 0 v in 5.5 v 0 ? 5.5 0.1 1 a i off off state leakage current (note 7) 0 a, b v cc 5.5 ? 2.0 +2.0 20 na i on on state leakage current (note 7) 0 a, b v cc 5.5 ? 4.0 +4.0 40 na r on switch on resistance (note 2) i o = ? 100 ma, b 0 or b 1 = 3.5 v 2.7 2.0 4.0 4.3 i o = ? 100 ma, b 0 or b 1 = 1.5 v 4.5 0.8 1.15 1.3 i cc quiescent supply current all channels on or off v in = v cc or gnd, i out = 0 5.5 0.5 1.0 a analog signal range r on on resistance match between channels (notes 2, 3, 4) i a = ? 100 ma, b 0 or b 1 = 1.5 v i a = ? 100 ma, b 0 or b 1 = 3.5 v 2.7 4.5 0.15 0.12 0.15 r flat on resistance flatness (notes 2, 3, 5) i a = ? 100 ma, b 0 or b 1 = 0 v, 0.75 v, 1.5 v i a = ? 100 ma, b 0 or b 1 = 0 v, 1.0 v, 2.0 v 2.7 4.5 1.4 0.3 0.4 2. measured by the voltage drop between a and b pins at the indicated current through the switch. on resistance is determined by the lower of the voltages on the two (a or b ports). 3. parameter is characterized but not tested in production. 4. d r on = r on max ? r on min measured at identical v cc , temperature and voltage levels. 5. flatness is defined as the difference between the maximum and minimum value of on resistance over the specified range of cond itions. 6. guaranteed by design. 7. this parameter is guaranteed by design but not tested. the bus switch contributes no propagation delay other than the rc delay of the on resistance of the switch and the 50 pf load capacitance, when driven by an ideal voltage source (zero output impedance).
NLAS4157 http://onsemi.com 4 ac electrical characteristics symbol parameter test conditions v cc (v) t a = +25 c t a = ? 40 c to +85 c unit figure # min typ max min max t phl t plh propagation delay bus ? to ? bus (note 9) v i = open 2.7 4.5 2.0 0.3 ns 3, 4 t on output enable time turn on time (a to b n ) b 0 or b 1 = 1.5 v, r l = 50 , c l = 35 pf b 0 or b 1 = 3.0 v, r l = 50 , c l = 35 pf 2.7 4.5 30 20 35 25 ns 3, 4 t off output disable time turn off time (a port to b port) b 0 or b 1 = 1.5v, r l = 50 , c l = 35 pf b 0 or b 1 = 3.0 v, r l = 50 , c l = 35 pf 2.7 4.5 20 15 25 20 ns 3, 4 t bbm break before make time (note 8) 2.7 4.5 0.5 0.5 0.5 0.5 ns 2 q charge injection (note 8) c l = 1.0 nf, v gen = 0 v r gen = 0 2.7 4.5 26 48 pc 6 o irr off isolation (note 10) r l = 50 f = 1.0 mhz 2.7 ? 5.5 ? 52 db 5 x talk crosstalk r l = 50 f = 1.0 mhz 2.7 ? 5.5 ? 57 db 7 bw ? 3 db bandwidth r l = 50 2.7 ? 5.5 40 mhz 8 thd total harmonic distortion (note 8) r l = 600 0.5 v p ? p f = 20 hz to 20 khz 2.7 ? 5.5 0.012 % 9 8. guaranteed by design. 9. this parameter is guaranteed by design but not tested. the bus switch contributes no propagation delay other than the rc delay of the on resistance of the switch and the 50 pf load capacitance, when driven by an ideal voltage source (zero output impedance). 10. off isolation = 20 log 10 [v a /v bn ]. capacitance (note 11) symbol parameter test conditions typ max unit figure # c in select pin input capacitance v cc = 0 v, f = 1 mhz 10 pf c io ? b b port off capacitance v cc = 4.5 v, f = 1 mhz 25 pf c ioa ? on a port capacitance when switch is enabled v cc = 4.5 v, f = 1 mhz 87 pf 11. t a = +25 c, f = 1 mhz, capacitance is characterized but not tested in production. device ordering information device order number package shipping ? NLAS4157dft2g sc ? 88 (pb ? free) 3000 / tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d.
NLAS4157 http://onsemi.com 5 figure 2. t bbm (time break ? before ? make) output dut 50 35 pf v cc switch select pin 90% output input v cc gnd 90% of v oh gnd figure 3. t on /t off 50% 50% 90% 90% t on t off v oh output input v cc 0 v figure 4. t on /t off dut open 35 pf v cc input 50% 50% 10% t on t off output input v cc 0 v 10% 50 0.1 f t bmm output v out v ol v out v oh v ol dut open v cc input output 50 35 pf v out 0.1 f
NLAS4157 http://onsemi.com 6 channel switch control/s test socket is normalized. off isolation is measured across an off channel. on loss is the bandwidth of an on switch. v iso , bandwidth and v onl are independent of the input signal direction. v iso = off channel isolation = 20 log for v in at 100 khz v onl = on channel loss = 20 log for v in at 100 khz to 50 mhz bandwidth (bw) = the frequency 3 db below v onl v ct = use v iso setup and test to all other switch analog input/outputs terminated with 50 output dut input 50 50 generator reference transmitted figure 5. off channel isolation/on channel loss (bw)/crosstalk (on channel to off channel)/v onl 50 v out v in v out v in off on off v out v cc gnd output v in c l dut figure 6. charge injection: (q) v in open output
NLAS4157 http://onsemi.com 7 0.005 0 10 1000 10000 100000 frequency (hz) thd (%) figure 7. cross talk vs. frequency @ v cc = 4.5 v frequency (mhz) 0 ? 10 ? 70 xt (db) 1.0 1000 100 10 0.1 ? 20 ? 30 ? 40 ? 50 ? 60 ? 80 figure 8. bandwidth vs. frequency frequency (mhz) bw (db) 0.1 1000 10 1.0 0 ? 2 ? 4 ? 6 ? 8 ? 10 ? 12 100 0 0.5 0.0 0.5 1.0 1.5 2.0 3.0 v is (v) r on ( ) 2.5 ? 40 c 85 c 25 c 1 1.5 2 2.5 figure 9. total harmonic distortion figure 10. on ? resistance vs. signal voltage @ v cc = 2.7 v figure 11. on ? resistance vs. signal voltage @ v cc = 4.5 v 0 0.2 0.4 0.6 0.0 1.0 2.0 3.0 r on ( ) v is (v) 0.5 1.5 2.5 3.5 4.5 4.0 0.1 0.3 0.5 ? 40 c 85 c 25 c 0 0.5 1.0 1.5 2.0 2.5 0.0 1.0 2.0 3.0 4.0 5.0 v is (v) r on ( ) figure 12. on ? resistance vs. signal voltage 0.5 1.5 2.5 3.5 4.5 2.7 v 3.0 v 4.5 v 100 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 0.0045 0.8 1 0.7 0.9 3.6 v
NLAS4157 http://onsemi.com 8 package dimensions sc ? 88/sc70 ? 6/sot ? 363 case 419b ? 02 issue w mm inches scale 20:1 0.65 0.025 0.65 0.025 0.50 0.0197 0.40 0.0157 1.9 0.0748 *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. 419b ? 01 obsolete, new standard 419b ? 02. e 0.2 (0.008) mm 123 d e a1 a a3 c l 654 ? e ? b 6 pl dim min nom max millimeters a 0.80 0.95 1.10 a1 0.00 0.05 0.10 a3 b 0.10 0.21 0.30 c 0.10 0.14 0.25 d 1.80 2.00 2.20 0.031 0.037 0.043 0.000 0.002 0.004 0.004 0.008 0.012 0.004 0.005 0.010 0.070 0.078 0.086 min nom max inches 0.20 ref 0.008 ref h e h e e 1.15 1.25 1.35 e 0.65 bsc l 0.10 0.20 0.30 2.00 2.10 2.20 0.045 0.049 0.053 0.026 bsc 0.004 0.008 0.012 0.078 0.082 0.086 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. NLAS4157/d publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5817 ? 1050 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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