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copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 1 anpec reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. shut mode audio click-and-pop eliminator apa2192 the apa2192 is an audio click-and-pop eliminator for portable multimedia devices. operating from a 1.7v to 3. 6v supply, the apa2192 connects to the output of the ex- isting system amplifier and provides a low-impedance path to ground during startup and shutdown. the inputs inl and inr accept voltage swings from v dd to 5.5v below v dd . see the setting the supply voltage section for more information. the power-up and power down transients are shunted to ground to prevent clicks and pops from becoming audible. the apa2192 features two low-impedance analog switches controlled by mute that opens and closes the switches. the switches are open during normal opera- tion and have no impact on the output signal. during startup and shutdown of the amplifier, the apa2192 can be acti- vated to short the outputs to ground and prevent clicks and pops from pulling current through the headphones. features general description applications smart phones tablet pcs portable media players wide supply voltage range from 1.7v to 3.6v low quiescent current 1 m a adjustable turn off time by set pin fast turn on time : 100us(typ) low switch resistance :0.3 w distortion-free, click-and-pop elimination available in wlcsp1.42x0.92 - 6 packages lead free green devices available (rohs compliant) pin configuration wlcsp1.42x0.92 - 6 inl (a1) mute (b1) vdd (b2) gnd (a2) top view set (b3) inr (a3) simplified application circuit inl inr mute vdd set apa2192 0.1 m f gnd vdd mute c set headphone amplifier
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 2 apa2192 ordering and marking information note: anpec lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with rohs. anpec lead-free products meet or exceed the lead-free requirements of ipc/jedec j-std-020d for msl classification at lead-free peak reflow temperature. anpec defines green to mean lead-free (rohs compliant) and halogen free (br or cl does not exceed 900ppm by weight in homogeneous material and total of br and cl does not exceed 1500ppm by weight). package code operating ambient temperature range handling code assembly material g : halogen and lead free device temperature range package code apa2192 handling code assembly material tr : tape & reel ha : wlcsp1.42x0.92-6 apa2192 ha: x - date code i :- 40 to 85 c 92x absolute maximum ratings (note 1) symbol parameter rating unit v dd vdd to gnd voltage -0.3 ~ 6 v v mute,set mute,set to gnd voltage -0.3 ~ 6 v v inr,inl inr,inl to gnd voltage vdd-6v ~ vdd+0.3v v i inr,inl continuous output current, inr & inl 350 ma t j maximum junction temperature 150 o c t stg storage temperature -65 ~ 150 o c t sdr maximum lead soldering temperature (10 seconds) 260 o c v esd minimum esd rating (human body mode) (mm mode) (cmd mode) 5 200 1000 kv v v note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recom- mended operating conditions is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. thermal characteristics symbol parameter typical value unit q ja junction-to-ambient thermal resistance in free air (note 2) wlcsp1.42x0.92 -6 125 o c/w q jc junction-to-case thermal resistance in free air (note 2) wlcsp1.42x0.92 -6 18 o c/w note 2: q ja is measured with the component mounted on a high effective thermal conductivity test board in free air.
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 3 apa2192 recommended operating conditions (note3) symbol parameter range unit v dd in input voltage 1.7 ~ 3.6 v v in vin input power voltage v dd -5.5 ~ v dd v v mute mute input voltage 0 ~ v dd +0.3 v c vdd vdd input capacitor 0.1 ~ uf c set set pin capacitor 220 ~ 100nf pf t a ambient temperature -40 ~ 85 o c t j junction temperature -40 ~ 125 o c electrical specifications for the digital section apa2192 symbol parameter test conditions min typ max unit v dd operation supply voltage 1.7 - 3.6 v v dd =5.5v, v muteb =3.3v - 0.5 1 i dd supply current v dd =5.5v, v muteb =0v - 0.5 1 m a v in input voltage range guaranteed by input leakage current test vdd-5.5 v - vdd v t on turn-on time (figure 1) measured from mute = gnd and input voltage settled to 90% of its final value - 100 - ns c set =500pf 5 10 15 c set =50pf - 1 - t off turn-off time (figure 1) c set =50nf - 1000 - ms r set turn-on time resistor c set =500pf 350 800 1300 k w v dd =3.0v - 0.2 - v dd =1.7v - - 2 r on switch on-resistance v dd =5.5v - - 1 w click-and-pop reduction r series = 30 , r load = 16 - 40 - db v in = v dd - 5.5v, v dd = 1.7v - - 1 i in input leakage current t a =+25 o c v in = v dd , v dd = 5.5v - - 1 m a i mute mute leakage current v dd = 5.5v, v mute = 0 or 5.5v, t a = +25 c - - 1 m a v ih mute input-voltage high 1.5 - - v v il mute input-voltage low - - 0.4 v note 3 : refer to the typical application circuit. unless otherwise specified, these specifications apply over v dd = 3v. typical values are at t a =25 o c.
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 4 apa2192 timing diagram figure 1. turn-on/off time pin description pin wlcsp1.5x1-6 name function a1 inl left-channel input. connect inl in between the output coupling capacitor and the headphone jack. a2 gnd ground a3 inr right-channel input. connect inr in between the output coupling capacitor and the headphone jack. b1 /mute active-low enable. do not keep this pin floating. b2 vdd power supply b3 set turn-off time set. connect an external capacitor in between set and gnd to set the switch open delay. mute in_ r on t off t on gnd gnd gnd v dd v dd -5.5v
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 5 apa2192 typical operating characteristics t off vs. c set t o f f ( m s ) c set (nf) 0 200 1000 0 10 20 30 50 40 400 600 800 r on vs. supply voltage r o n ( m w ) v dd (v) 0 40 200 1.5 2.5 3.5 5.5 4.5 80 120 160 supply current vs. supply voltage i d d ( m a ) v dd (v) 0 0.04 0.2 1.5 2.5 3.5 5.5 4.5 0.08 0.12 0.16 crosstalk vs. frequency c r o s s t a l k ( d b ) -120 0 -60 20 20k 100 1k 10k -100 -20 frequency (hz) -80 -40
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 6 apa2192 operating waveforms switch turn-off/on time ch1:mute,2v/div, dc ch2:in_,2v/div, dc time:2ms/div 1 2 mute in_
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 7 apa2192 application circuit vdd apa2192 inl inr mute gnd set 0.1 m f vdd c set headphone amplifier r series r series
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 8 apa2192 setting the turn-off time the apa2192 features a set input that allows the turnoff time to be adjusted from 1ms to 1000ms to match the click-and-pop profile of the amplifier startup. the value of an external capacitor sets the switch open delay, as shown in the following equation: t off (ms) = 0.02 x c set (pf) when the headphone amplifier is enabled, the apa2192 automatically waits the set delay time before opening the analog switches. this allows amplifier turn on click and pop to be eliminated. function description
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 9 apa2192 setting the supply voltage the apa2192 operates from 1.7v to 3.6v supply voltage. the inputs, inl and inr, accept voltage swings from vdd to vdd - 5.5v. the audio signal applied to a headphone is ground biased, meaning that the signal swings just as much negative as positive. since the apa2192 input volt- age is limited to vdd - 5.5v on the negative side, the voltage on vdd must be set properly to pass the audio signal when the switch is open (figure 2). application information v dd v dd -5.5 in_ v dd v dd -5.5 in_ a b figure2.proper supply selected for a given input signal a:supply voltage with a large signal b:supply voltage with a small signal gnd gnd selecting series resistors a series resistor (rseries), as shown in the typical operating circuit, is necessary to achieve optimal click and- pop reduction. see the click and pop vs. rseries graph in the typical operating characteristics for details on how much click-and-pop reduction to expect for a given series resistor. recommended minimum footprint unit: mm wlcsp1.42x0.92-6 0.32 0.5 0.5 1.5 1 0.25 (0,0)
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 10 apa2192 package information wlcsp1.42x0.92-6 b a1 a nx aaa c seating plane pin 1 e d e e s y m b o l min. max. 0.69 0.15 0.25 0.35 1.42 1.50 0.25 a a1 b d e e millimeters 0.50 bsc wlcsp1.42*0.92-6 0.020 bsc min. max. inches 0.027 0.006 0.010 0.014 0.056 0.059 0.010 0.92 1.00 0.036 0.039 aaa 0.08 0.003
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 11 apa2192 application a h t1 c d d w e1 f 178.0 2.00 50 min. 8.4+2.00 -0.00 13.0+0.50 -0.20 1.5 min. 20.2 min. 8.0 0.30 1.75 0.10 3.5 0.05 p0 p1 p2 d0 d1 t a0 b0 k0 wlcsp(1.42x0.92) 4.0 0.10 4.0 0.10 2.0 0.05 1.5+0.10 -0.00 1.5 min. 0.6+0.00 -0.40 1.24 0.05 1.70 0.05 0.76 0.05 (mm) carrier tape & reel dimensions a a b b section b-b section a-a
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 12 apa2192 package type unit quantity wlcsp(1.42x0.92) tape & reel 3000 devices per unit taping direction information user direction of feed wlcsp1.42x0.92-6
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 13 apa2192 classification profile profile feature sn-pb eutectic assembly pb-free assembly preheat & soak temperature min (t smin ) temperature max (t smax ) time (t smin to t smax ) (t s ) 100 c 150 c 60-120 seconds 150 c 200 c 60-120 seconds average ramp-up rate (t smax to t p ) 3 c/second max. 3 c/second max. liquidous temperature (t l ) time at liquidous (t l ) 183 c 60-150 seconds 217 c 60-150 seconds peak package body temperature (t p )* see classification temp in table 1 see classification temp in table 2 time (t p )** within 5 c of the specified classification temperature (t c ) 20** seconds 30** seconds average ramp-down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. ** tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. classification reflow profiles
copyright ? anpec electronics corp. rev. a.2 - sep., 2016 www.anpec.com.tw 14 apa2192 table 1. snpb eutectic process C classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 220 c 3 2.5 mm 220 c 220 c table 2. pb-free process C classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 350-2000 volume mm 3 >2000 <1.6 mm 260 c 260 c 260 c 1.6 mm C 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c reliability test program test item method description solderability jesd-22, b102 5 sec, 245 c holt jesd-22, a108 1000 hrs, bias @ t j =125 c pct jesd-22, a102 168 hrs, 100 % rh, 2atm, 121 c tct jesd-22, a104 500 cycles, -65 c~150 c hbm mil-std-883-3015.7 vhbm R 2kv mm jesd-22, a115 vmm R 200v latch-up jesd 78 10ms, 1 tr R 100ma classification reflow profiles (cont.) customer service anpec electronics corp. head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan tel : 886-3-5642000 fax : 886-3-5642050 taipei branch : 2f, no. 11, lane 218, sec 2 jhongsing rd., sindian city, taipei county 23146, taiwan tel : 886-2-2910-3838 fax : 886-2-2917-3838

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