View PI3USBA201ZMEX_3794936.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1 ps8890d 09/15/09 features ? icc = 150 a max ? voltage input tolerance down to -1.5v ? ron = 3-ohm @1.5v for audio channels ? thd of 0.02% with 32-ohm load ? off-isolation = -100db @ 100 khz for audio channels ? crosstalk = -100db @ 100 khz for audio channels ? 2kv hbm esd protection on i/o pins ? con = 5pf for usb channels ? improved switching time to eliminate pop sounds associated with charge build-up in large capacitor ? packaging (pb-free & green available): 10-pin contact tqfn, 1.3 x 1.6, (zl10) 10-pin contact uqfn, 1.4 x 1.8, (zm10) description pericom?s pi3usba201 is a dual spdt that combines a low- distortion audio and a usb2.0 high-speed (hs) switch path. this con guration enables audio and usb data to share a common con- nector port. combining usb and audio signals to the same port enables ce product designers to eliminate a second connector, which saves board space and bom costs associated with connector moldings and esd protection for the second connector. pericom?s pi3usba201 architecture is designed to allow audio signals to swing below ground due to ac coupling or d-class audio ampli ers. typical applications involve switching in portables and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers. block diagram pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals truth table v bus results l/r d+/d- 0 on off 1 off on pin con guration l d+ d? d+/r vdd d?/l vbus 5 4 9 10 3 r gnd c(a)p 1 2 6 7 8 d+/r d-/l r l d+ d- logic control v bus 09-0044
2 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 storage temperature ...................................................?65c to +150c supply voltage (v dd ) ..................................................... 2.5v to 2.94v control input voltage (vvbus) ............................................. 0v to 5.0v dc input voltage .............................................................. -1.5v to v dd maximum junction temperature (t j ) ........................................ +150c lead temperature (t l ) soldering, 10 seconds ............................................................. +260c power dissipation .......................................................................... 0.5w note: stresses greater than those listed under maximum ra tings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this speci cation is not implied. ex- posure to absolute maximum rating conditions for extended periods may affect reliability. maximum ratings (above which useful life may be impaired. for user guidelines, not tested.) supply voltage (v dd ) ........................................................... 2.8v 5% control input voltage (v bus ) (1) ........................................... 0v to 5.5v switch input voltage (v in ) ..............................................-1.5v to 1.5v operating temperature .................................................?40c to +85c recommended operating conditions notes: 1. unused inputs must be held high or low. they may not oat. pin description no. name function 1v bus digital control input (power supply from usb connector) 2 d-/l voice and data common pin 3 d+/r voice and data common pin 4 gnd ground connection 5 r audio right input 6 l audio left input 7 d+ usb differential input 8 d- usb differential input 9 cap external cap (please use 0.1 f to gnd) 10 v dd power supply 09-0044
3 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 dc electrical characteristics (t a = ?40c to +85c, v dd = 2.8v 5%) parameter test conditions min. typ. max. units analog switch characteristics audio signal path (pins 2,3,5, and 6) analog signal range, v analog ?1.5 ? 1.5 v r on test v dd = 2.8v and vinput from -1.5v to 1.5v. 3.5 r on matching between channels, ?r on v dd = 2.8v, v bus = 0v, i com = 40ma, v l or v r = -1.5v to +1.5v ? ? 0.15 r on flatness, r flat(on) v dd = 2.8v, v bus = 0v, i com = 40ma, v l or v r = -1.5v to +1.5v ? ? 1.30 off leakage current, i d+/l(off) or i d-/l(off) , i com(off) v dd = 2.8v, v bus = high, v d+/l or v d+/r = 0v, v l or v r = oating, v d + and v d - = oating. -5 - 5 na discharge pull down resistance, r l , r r v dd = 2.8v, v bus = 0v, v d-/l or v d+/r = -0.8v, 0.8v, v l or v r = -0.8v, 0.8v, v l or v r = -0.8v, 0.8v, v d + and v d - = oating. 50 kw ac electrical characteristics audio signal path (pins 2, 3, 5, and 6) (all typical values are at 25c unless otherwise speci ed) parameter description test conditions min. typ. max. units q charge injection v dd = 2.7v 10.0 pc q irr-audio off isolation v dd = 2.7v, f=100khz -100 db x talk_audio crosstalk v dd = 2.7v, f=100khz -100 bw audio -3db bandwidth for audio path v dd = 2.7v 1400 mhz thd audio total harmonic distortion for audio path v dd = 2.7v (2) , load = 32-ohm to gnd, freq = 20hz to 20khz, vinput = 0.5vpp, vbus = 0v 0.02 % capacitance (audio path) parameters description test conditions typ. max. units c off audio path off capacitance v dd = 2.7v 2.5 pf c on audio path on capacitance 7.5 notes: 1. r l = 50-ohm, c l = 35pf 2. r l = 32-ohm, v bus = 0.5v p.p., f = 20 hz to 20 khz 09-0044
4 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 ac electrical characteristics - usb signal path (pins 2,3,7,8) (all typical values are at 25c unless otherwise speci ed) parameter description test conditions min. typ. max. units q charge injection v dd = 2.7v 10 pc q irr usb usb off isolation v dd = 2.7v, f=240mhz ?38 db x talk usb xtalk v dd = 2.7v, f=240mhz ?33 bw usb -3db bw for usb path v dd = 2.7v 1350 mhz t pzh /t pzl turn on time v dd = 2.7v 12.5 ns t phz/ t plz turn off time v dd = 2.7v 4.05 c on usb port is on 4 pf c off usb port is off 1.4 pf usb signal path (pins 2,3,7, and 8) on resistance, r on v dd = 2.8v, v bus = high, i com = 40ma, v d+ or v d- = -0.4v to 1.0v --7 r on matching between channels, ?r on v dd = 2.8v, v bus = high i com = 40ma, v d+ or v d- = -0.4v to +1.0v - - 0.25 r on flatness, r flat(on) v dd = 2.8v, v bus = high, i com = 40ma, v d+ or v d- = -0.4v to +1.0v - - 2.5 switching characteristics (audio path) (3) parameters description test (2) conditions min. typ. max. units t pd propagation delay (1) 0.25 ns t on turn on time v dd = 2.7v 600 ns t off turn off time v dd = 2.7v 6 ns notes: 1. the switch contributes no propagational delay other than the rc delay of the on-resistance of the switch and the load capaci tance. the time constant for the switch alone is of the order of 0.25ns for 10pf load. since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. 2. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 3. typical values are at v dd = 2.8v, t a = 25c ambient and maximum loading. 09-0044
5 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 control input (v bus ) parameter description test conditions min. typ. max. units v ih input high level 2.0 v v il input low level 0.6 v v ik clamp diode voltage ?3.5 v c in input cap 1.5 pf power supply parameter description test conditions min. typ. max. units v dd power supply range 2.8v - 5% 2.8v + 5% v i cc power supply current vbus = 0v or v dd , v dd = 2.94v 100 150 a test circuit for electrical characteristics notes: ? c l = load capacitance: includes jig and probe capacitance. ? r t = termination resistance: should be equal to z out of the pulse generator ? waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. ? all input impulses are supplied by generators having the following characteristics: prr ? 10 mhz, z o = 50, t r 2.5ns, t f 2.5ns. ? the outputs are measured one at a time with on transition per measurement. l ogic input r l 50 d+/l gnd in c l v n l or d+ v dd c l v dd v out 35pf 09-0044
6 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 voltage waveforms propagation delay times switching waveforms voltage waveforms enable and disable times input t plh 2.5v 2.5v 2.5v 2.5v t phl 2.8v 1.0v output v oh v ol t plz 1.25v 1.25v 2.5v v oh 0v v ol v dd/2 v dd/2 t phz t pzl t pzh output output v ol +0.3v v oh ?0.3v v ol v oh v bus 09-0044
7 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 application section section 1: tdr measurement for usb port ? tdr passes the usb 2.0 tdr speci cation. the impedance is ranging from 88-ohm to 110-ohm. please refer to fig 1. figure 1: tdr d to d and l/r usb switch connected to audio switch, v dd =3.3v, 25 c 09-0044
8 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 section 2: tektronics compliance test for usb port part a: usb 2.0 full speed compliance test result signal quality test results in tektronix format device description: full speed, far end device, down stream testing, tier 6, dummy device. overall result: pass* figure 4. waveform plot 09-0044
9 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 figure 5. eye diagram results based on usb-if / waiver limits : measurement name minimum maximum mean pk-pk standard deviation rms popu- lation status eye diagram test - - - - - - - pass signal rate 11.90476mbps 12.12471mbps 12.00434mbps 0.0000bps 79.88911kbps 12.00837mbps 31 pass crossover voltage 1.588571 v 1.746667 v 1.661607 v 158.0952mv 47.16220mv 1.662239 v 18 pass eop width - - 166.5854ns - - - 1 pass consecutive jitter -706.6734ps 871.2068ps 0.0000s 1.577880ns 471.7937ps 457.7071ps 17 pass paired jk jitter -432.8111ps 203.0108ps -103.3794ps 635.8218ps 194.7113ps 209.4296ps 8 pass paired kj jitter -391.2876ps 349.0961ps -125.8723ps 740.3836ps 254.9465ps 267.4998ps 7 pass additional information : rise time: min: 30.890ns max: 540.81ns mean: 217.87ns std: 230.23ns rms: 306.35ns population: 8 fall time: min: 28.568ns max: 620.31ns mean: 182.20ns std: 200.98ns rms: 262.87ns population: 9 * the overall result for this test is pass, because individual status of the measurements is pass and it is performed on tier 6 (as per usb-if). 09-0044
10 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 part b: usb 2.0 high speed compliance test result signal quality test results in tektronix format device description: high speed, near end device, up stream testing, tier 1, dummy device. overall result: pass* figure 6. waveform plot figure 7. eye diagram 09-0044
11 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 results based on usb-if / waiver limits measurement name minimum maximum mean pk-pk standard deviation rms popu- lation status monotonic property - - - - - - 0 pass eye diagram test - - - - - - - pass signal rate 470.3833mbps 491.3558mbps 480.0858mbps 0.0000bps 4.946610mbps 480.2564mbps 513 pass eop width - - 16.32403ns - - - 1 pass eop width (bits) - - 7.836932 - - - 1 pass rise time 771.4486ps 1.081520ns 910.3355ps 310.0716ps 62.09212ps 912.4309ps 107 pass fall time 757.9116ps 1.046563ns 889.0831ps 288.6509ps 61.68317ps 891.2003ps 7 pass monotonicity test is performed on the test limits of 15.0% and 85.0%. additional information : consecutive jitter range : -71.64ps to 118.7ps rms jitter 37.48ps kj paired jitter range : -79.45ps to 86.69ps rms jitter 33.26ps jk paired jitter range : -70.36ps to 77.29ps rms jitter 25.08ps *the overall result for this test is pass, because one or more individual status of the measurements is pass. for this test, the recommended con guration for usb2 testing (as per usb-if) is on tier 1 usb connector usb connector d- /l vbus d+ l d+/ r gnd r vdd c(a)p d- 3.3v 0.1u f 10 0k pi3usba201 figure 8. pi3usba201 usb compliance test schematic 09-0044
12 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 section 3. pop sound elimination evaluation pop sound elimination is evaluated with long switch time feature. moreover, pop sound is evaluated with ac coupling capacitor placed before pi3usba201 and after pi3usba201. a mp3 player is used as a source and philips headset is used to con rm the pop sound occurs or not. long switch time evaluation: figure 9: pop sound with 0.1 f cap at the c(a)p pin figure 10: pop sound with 0.1 f cap at the c(a)p pin (switching from usb path to audio path) pop sound is eliminated pop sound 09-0044
13 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 no popping sound figure 11: pop sound elimination with ac coupling capacitor placed before pi3usba201 d-/l vbus d+ l d+/r gnd r vdd c(a)p d- 3.3v 0.1uf 100k pi3usba201 1000uf 1000uf audio amplifier audio am p lifier figure 12: schematic of testing pop sound elimination with long switching time 09-0044
14 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 d-/l vbus d+ l d+/r gnd r vdd c(a)p d- 3.3v 100k pi3usba201 audio audio am p lifier audio amplifier 1000uf 1000uf figure 13: schematic of testing pop sound elimination with ac coupling capacitor placed before pi3usba201 conclusion 1. pop sound evaluation: a. using long switch time, pop sound still occurs when pi3usba201 switches to usb port. pop sound is eliminated when pi3usba201 switches to audio port. please refer to figure 9 to 10. b. when placing ac coupling capacitor, pop sound is eliminated. please refer to figure 11. 09-0044
15 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 figure 1. ac test circuit figure 2. ac waveforms test circuits and timing diagrams logic input waveforms inverted for switches that have opposite logic t on v out t r t f t off 90% 90% < 5ns < 5ns 50% switch output logic input v ih v il 0v off on off note: 1. unused input (nc or no) must be grounded. figure 3. break before make interval timing c l 35pf r l 50 t bbm v out 0.9 x v out logic input d/l v bus l d v in logic input v out 50% logic input r l 50w d/l gnd c l includes fixture and stray capacitance. v n d/l v dd c l v dd v out 35pf v bus 09-0044
16 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 figure 4. charge injection test figure 5. off isolation figure 6. crosstalk figure 7. channel off capacitance figure 8. channel on capacitance c l 1nf d/l v bus v gen r gen logic input logic input q = ( v out )(c l ) v out off on off v out l/d 10nf gnd v dd v dd logic input 0v or v ih r l 50w signal generator c l 5pf 50w analyzer d/l v bus d/l 10nf gnd v dd r l 50 signal generator c l 5pf 50 analyzer v dd 50 d/l v bus l d capacitance meter 10nf gnd f = 1 mhz v dd v dd logic input 0v or v ih l/d l/d v bus capacitance meter 10nf gnd v dd v dd f = 1 mhz logic input 0v or v ih l/d v bus l/d 09-0044
17 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 1 description: 10-contact, thin fine pitch quad flat no-lead (tqfn) package code: zl (zl10) document control #: pd-2052 revision: c date: 01/12/09 09-0031 packaging mechanical: 10-contact tqfn (zl) figure 9. bandwidth 10nf gnd logic input 0v or v ih v dd v dd 50w signal generator 50w analyzer l/d v bus v/d 09-0044
18 pi3usba201 signal switch solution for usb 2.0 high speed signals and ac coupled audio signals ps8890d 09/15/09 pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com ordering information ordering code package code package description top mark pi3usba201zle zl pb-free & green, 10-contact tqfn fg pi3usba201zme zm pb-free & green, 10-contact uqfn fg notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? x suf x = tape/reel packaging mechanical: 10-contact uqfn (zm) description: 10-contact, ultra-thin quad flat no-lead (uqfn) package code: zm10 document control #: pd-2066 revision: a date: 01/29/09 09-0072 09-0044

▲Up To Search▲

Price & Availability of PI3USBA201ZMEX

	To Download PI3USBA201ZMEX Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .