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25mw stereo cap-free headphone driver copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 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. features the apa2177 is a stereo, fixed gain, single supply, and cap-free headphone driver, which is available in a wlcsp- 16 packages. the apa2177 is ground-reference output, and no need the output capacitors for dc blocking. the advantages of eliminating the output capacitor are saving the cost, elimi- nating component height, and improving the low frequency response. the internal selectable gain (0db or 6db) can minimize the external component counts and save the pcb space. high psrr provides increased immunity to noise and rf rectification. the apa2177 is capable of driving 25mw at 3.6v into 16 w load and provides thermal protection. applications handests pdas portable multimedia devices notebooks general description operating voltage: 2.4v~5.5v supply current - i dd =2.1ma at v dd =3.6v low shutdown current - i dd =0.7 m a at v dd =3.6v ground reference output - no output capacitor required (for dc blocking) - save the pcb space - reduce the bom costs - improve the low frequency response output power 25mw/ch into 16 w at v dd =3.6v,thd+n=0.04% 20mw/ch into 32 w at v dd =3.6v,thd+n=0.02% high psrr: 90db at 217hz fast start-up time: 4ms integrate the de-pop circuitry thermal protection surface-mount packaging wlcsp1.6x1.6-16 tqfn3x3-16 simplified application circuit apa2177 rout rin+ sdn lin+ lout stereo input signal shutdown control stereo headphone gain gain control hi-z hi-z control lin- rin-
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 2 pin configuration lin- (a4) x pin a1 date code marking lin+ (b4) rin+ (c4) rin- (d4) lout (a3) hpvdd (b3) sgnd (c3) rout (d3) vdd (a2) cpp (b2) hpvss (c2) gain (d2) sdn (a1) gnd (b1) cpn (c1) hi-z (d1) 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). apa2177 package code ha: wlcsp-16 operating ambient temperature range i : -40 to 85 o c handling code tr : tape & reel assembly material assembly material handling code temperature range package code apa2177 ha : a77 x x - date code g : halogen and lead free device qb: tqfn3x3-16 apa2177 qb : apa xxxxx xxxxx - date code 2177 absolute maximum ratings (note 1) symbol parameter rating unit v pgnd _ gnd pgnd to gnd voltage -0.3 to 0.3 v dd supply voltage (vdd to gnd and sgnd) -0.3 to 6.0 hpv dd headphone amplifier supply voltage (hpv dd to gnd and sgnd) -0.3 to 2.3 v /sdn input voltage (/sdn to gnd) gnd-0.3 to v dd +0.3 v gain input voltage (gain to gnd) gnd-0.3 to v dd +0.3 v hi-z input voltage (hi-z to gnd) gnd-0.3 to v dd +0.3 hpv ss hpvss to gnd and sgnd voltage -2.3 to 0.3 v 1 5 r i n + apa2177 gnd 1 rout 2 gain 3 hi-z 4 h p v s s 5 c p n 6 s g n d 7 c p p 8 9 sdn 10 vdd 11 lout 12 hpvdd 1 6 r i n - 1 3 l i n - 1 4 l i n + gnd tqfn3x3-16 (top view)
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 3 absolute maximum ratings (cont.) (note 1) symbol parameter rating unit v out rout and lout to gnd voltage hpv ss -0.3 to hpv dd +0.3 v cpp cpp to gnd voltage gnd-0.3 to hpv dd +0.3 v cpn cpn to gnd voltage hppv ss -0.3 to gnd+0.3 v t j maximum junction temperature 150 t stg storage temperature range -65 to +150 t sdr maximum soldering temperature range 260, 10 seconds o c p d power dissipation internally limited w note1: 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 thermal resistance - junction to ambient (note 2) wlcsp-16 tqfn3x3-16 160 55 o c/w note 2: please refer to thermal consideration . 2 layered printed circuit boards with 2oz trace and copper through several thermal vias. the thermal pad is soldered on the pcb. recommended operating conditions symbol parameter range unit v dd supply voltage 2.4 ~ 5.5 v ih high level threshold voltage sdn, gain, hi-z 1.3 ~ v dd v il low level threshold voltage sdn, gain, hi-z 0 ~ 0.6 voltage applied to output; outr, outl (when sdn = 0 v) -0.3 ~ 3.6 voltage applied to output; outr, outl (when sdn R 1.3 v and hi C z R 1.3 v) -1.8 ~ 1.8 v t a operating ambient temperature range -40 ~ 85 t j operating junction temperature range -40 ~ 125 o c r l headphone resistance 16 ~ 100k w apa2177 symbol parameter test conditions min. typ. max. unit i dd v dd supply current - 2.5 3.5 ma i sd v dd shutdown current v sdn =0v - 1 2 i i input current sdn - 0.1 - m a charge pump f osc switching frequency 400 500 600 khz r eq equivalent resistance - 15 - w electrical characteristics v dd =3.6v, v gnd =v pgnd =0v, v /sdn =v dd , c cpf =c cpo =1 m f, c i =1 m f, t a =25 o c (unless otherwise noted)
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 4 symbol parameter test condition min. typ. max. unit drivers v gain =0v, no load -0.95 -1.0 -1.05 a v internal voltage gain v gain 1.3v, no load -1.95 -2.0 -2.05 v/v a v gain matching - 1 - % gain = 0v(0db) - 19.8 - input resistance gain 1.3v(6db) - 13.2 - r i input resistance in shutdown sdn = 0v - 10 - k w sdn = hi-z 1.3 v, f in =10khz - 35 - sdn = hi-z 1.3 v, f in =1mhz - 17 - k w z o output impedance sdn = 0 v (shutdown mode) - 25 - w v os output offset voltage v dd =2.5v to 5.5v, r l = 16 w - 0.5 - mv v n output noise - 7 - m v rms f in = 217hz - -90 - psrr power supply rejection ratio v rr =0.2v pp , r l =16 w, input ac-ground f in = 10khz - -80 - db c l maximum capacitive load - 220 - pf t start-up start up time - 4 - ms v esd esd protection outr, outl - 8 - kv r l =16 w - 25 - p o output power (stereo, in phase) thd+n=1%, f in =1khz r l =32 w - 22 - mw v o output voltage (stereo, in phase) thd+n=1%, f in =1khz, r l =100 w - 1.1 - v rms p o =20mw, r l =16 w , f in =1khz - 0.04 - thd+n total harmonic distortion pulse noise p o =25mw, r l =32 w , v dd =5.5v, f in =1khz - 0.02 - % crosstalk channel separation p o =20mw, r l =16 w f in =1khz - 80 - att shutdown shutdown attenuation f in =1khz, rl=16 w , v in =1vrms - 80 - s/n p o =20mw, r l =16 w gain = 0v(av=0db), with a-weighting filter - 95 - db electrical characteristics (cont.) v dd =3.6v, v gnd =v pgnd =0v, v /sdn =v dd , c cpf =c cpo =1 m f, c i =1 m f, t a =25 o c (unless otherwise noted)
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 5 pin tqfn3x3-16 wlcsp name i/o/p function description 9 a1 sdn i shutdown mode control pin. a low-level voltage applied on this pin shuts off the headphone driver. 10 a2 vdd p supply voltage input pin. 11 a3 lout o left channel output for headphone. 13 a4 lin- i left channel audio signal inverting input pin. 1 b1 gnd p ground connection for circuitry. 8 b2 cpp p charge pump flying capacitor positive connection. 12 b3 hpvdd p positive power supply for headphone amplifiers. 14 b4 lin+ i left channel audio signal non-inverting input pin. 6 c1 cpn p charge pump flying capacitor negative connection. 5 c2 hpvss p charge pump output. 7 c3 sgnd i amplifier reference voltage. 15 c4 rin+ i right channel audio signal non-inverting input pin. 4 d1 hi-z i output impedance select. set to logic low for normal operation and logic high for high output impedance. 3 d2 gain i gain select. set to logic low for a gain of 0db and to high for a gain of 6db. 2 d3 rout o right channel output for headphone. 16 d4 rin- i right channel audio signal inverting input pin. pin description
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 6 typical operating characteristics thd+n vs. output power t h d + n ( % ) output power (w) v dd =3.6v in phase v dd =2.4v in phase v dd =2.4v out of phase v dd =3.6v out of phase r l =32 w f=1khz 0 10m 20m 30m 40m 50m 0.01 10 0.1 1 thd+n vs. frequency t h d + n ( % ) frequency (hz) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r r rr r po=10mw po=1mw po=4mw r l =16 w v dd =2.4v thd+n vs. frequency t h d + n ( % ) frequency (hz) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r r rr r po=20mw po=1mw po=10mw r l =16 w v dd =3.6v thd+n vs. frequency frequency (hz) t h d + n ( % ) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r r rr r po=20mw po=1mw po=10mw r l =16 w v dd =5.5v t h d + n ( % ) thd+n vs. frequency frequency (hz) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r r r r r rr r r r r po=10mw po=1mw po=4mw r l =32 w v dd =2.4v thd+n vs. output power t h d + n ( % ) output power (w) v dd =3.6v in phase v dd =2.4v in phase v dd =2.4v out of phase v dd =3.6v out of phase 0 10m 20m 30m 40m 50m 0.01 10 0.1 1 r l =16 w f=1khz
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 7 typical operating characteristics thd+n vs. frequency t h d + n ( % ) frequency (hz) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r rr r r rr rr r r r l =32 w v dd =3.6v po=1mw po=20mw po=10mw t h d + n ( % ) thd+n vs. frequency frequency (hz) 20 20k 100 1k 10k 0.001 0.01 0.1 1 r rr r r rr rr r r po=20mw po=1mw po=10mw r l =32 w v dd =5.5v vdd(v) output power vs supply voltage p o ( m w ) 2.5 5.5 3.5 4.5 0 50 5 25 40 3 4 5 10 15 20 30 35 45 thd+n=10% thd+n=1% r l =32 w psrr vs frequency p s r r ( d b ) frequency (hz) t t t t t t t t tt t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t tt t t t t t t t t t t t t t t t t t t t t t t t rl=16 w vrr=0.2vpp v dd =5.5v v dd =2.4v v dd =3.6v -120 -50 -90 -80 -70 20 20k 100 1k 10k -110 -100 -60 output voltage vs supply voltage v dd -supply voltage(v) o u t p u t v o l t a g e ( v r m s ) 2.5 5.5 3.5 4.5 0 2 0.2 1 1.6 3 4 5 0.4 0.6 0.8 1.2 1.4 1.8 rl=32 w rl=16 w f=1khz thd+n=1% rl=600 w vdd(v) output power vs supply voltage p o ( m w ) 2.5 5.5 3.5 4.5 0 50 5 25 40 3 4 5 10 15 20 30 35 45 thd+n=10% thd+n=1% r l =16 w
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 8 typical operating characteristics frequency (hz) p s r r ( d b ) psrr vs. frequency t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t -120 -50 -90 -80 -70 20 20k 100 1k 10k -110 -100 -60 rl=32 w vrr=0.2vpp v dd =5.5v v dd =2.4v v dd =3.6v frequency (hz) output noise voltage vs. frequency o u t p u t n o i s e v o l t a g e ( v r m s ) rl=16 w v dd =5.5v v dd =2.4v v dd =3.6v 1 m 2 m 3 m 7 m 10 m 20 20k 100 1k 10k 4 m 5 m frequency (hz) output noise voltage vs. frequency o u t p u t n o i s e v o l t a g e ( v r m s ) 1 m 2 m 3 m 7 m 10 m 20 20k 100 1k 10k 4 m 5 m rl=32 w v dd =5.5v v dd =2.4v v dd =3.6v crosstalk vs. frequency c r o s s t a l k ( d b ) t t t t t t t t t t t t t t t t -120 -60 -90 -80 20 20k 100 1k 10k -110 -100 -70 v dd =3.6v r l =16 w po=20mw left to right right to left frequency (hz) crosstalk vs. frequency c r o s s t a l k ( d b ) frequency (hz) tt t t t t t t t t t t t t t t t -120 -60 -90 -80 20 20k 100 1k 10k -110 -100 -70 v dd =3.6v r l =32 w po=20mw left to right right to left 0 1 i d d - s u p p l y c u r r e n t ( m a ) supply current vs. supply voltage v dd -supply voltage(v) 2.5 5.5 3.5 4.5 3 4 5 2 3 4 5 6 7 8 sdn=1.3v no load
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 9 typical operating characteristics 10 80 20 30 40 50 60 70 0 35 5 10 30 supply current vs. output power output power(mw) s u p p l y c u r r e n t ( m a ) 0 15 20 25 90 100 r l =16 w f=1khz v dd =5.5v v dd =2.4v v dd =3.6v supply current vs. output power 10 80 20 30 40 50 60 70 0 35 5 10 30 0 15 20 25 90 100 output power(mw) s u p p l y c u r r e n t ( m a ) r l =32 w f=1khz v dd =5.5v v dd =2.4v v dd =3.6v hi-z output impedance vs. frequency 0 5 10 15 20 25 30 40 10 100 1000 10k 100k 1m frequency(hz) h i - z o u t p u t i m p e d a n c e ( k w ) 35 v o u t ( d b v ) v d d ( d b v ) -160 0 400 800 1.2k 1.6k 2k frequency(hz) gsm power supply rejection vs. frequency -140 -120 -100 -100 -80 -60 -40 -20
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 10 operating waveforms shutdown release v out sdn 1 2 v dd =3.6v r l =16 w ch1:2v/div,dc ch2:2v/div,dc time:2ms/div shutdown v dd =3.6v r l =16 w ch1:2v/div,dc ch2:2v/div,dc time:2ms/div sdn v out
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 11 block diagram control power and depop circuit rout rin- sdn charge pump vdd cpp cpn hpvss gnd sgnd supply control hpvdd rin+ hpvdd resistor array lout lin- lin+ resistor array gain hi-z hpvdd hpvss hpvdd hpvss
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 12 typical application circuit single-ended input differential input shutdown control 1 m f 0.68 m f rout- audio dac c cpf c cpo c i1 1 m f control power and depop circuit rout rin- sdn charge pump vdd cpp cpn hpvss gnd hpvdd rin+ hpvdd resistor array lout lin- lin+ resistor array gain hi-z 0.68 m f c i2 rout+ 0.68 m f lout- c i3 0.68 m f c i4 lout+ gain control hi-z control c cpb 2.2 m f c s 2.2 m f headphone jack gnd sgnd shutdown control 1 m f 1m f rout audio dac c cpf c cpo c i1 1 m f control power and depop circuit rout rin- sdn charge pump cpp cpn hpvss gnd hpvdd rin+ hpvdd resistor array lout lin- lin+ resistor array gain hi-z 1m f lout c i3 gain control hi-z control c cpb 2.2 m f c s 2.2 m f headphone jack vdd sgnd gnd
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 13 headphone driver operation function description the apa2177 s headphone drivers use a charge pump to invert the positive power supply (v dd ) to negative power supply (v ss ), see figure1. the headphone drivers oper- ate at this bipolar power supply (v dd and v ss ) and the out- puts reference refers to the ground. this feature elimi- nates the output capacitor that is using in conventional single-ended headphone drive amplifier. compare with the single power supply amplifier, the power supply range has almost doubled. figure 1. cap-free operation thermal protection the thermal protection circuit limits the junction tempera- ture of the apa2177. when the junction temperature ex- ceeds t j = +150 o c, a thermal sensor turns off the driver, allowing the devices to cool. the thermal sensor allows the driver to start-up after the junction temperature down about 125 o c. the thermal protection is designed with a 25 o c hysteresis to lower the average t j during continu- ous thermal overload conditions, increasing lifetime of the ics. shutdown function in order to reduce power consumption while not in use, the apa2177 contains shutdown controllers to externally turns off the amplifier bias circuitry. this shutdown fea- ture turns the amplifier off when logic low is placed on the sdn pins for the apa2177. the trigger point between a logic high is 1.0v and logic low level is 0.35v. it is recom- mended to switch between ground and the supply volt- age v dd to provide maximum device performance. by switching the sdn pins to a low level, the amplifier enters a low-consumption current circumstance, charge pump is disabled, and i dd for the apa2177 is in shutdown mode. in normal operating, the apa2177 s sdn pins should be pulled to a high level to keep the ic out of the shutdown mode. the sdn pins should be tied to a definite voltage to avoid unwanted circumstance changes. v dd v dd /2 gnd v out v dd v ss gnd v out conventional headphone driver cap-free headphone driver
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 14 application information input capacitor, c i in the typical application, an input capacitor, c i , is required to allow the amplifier to bias the input signal to the proper dc level for optimum operation. in this case, c i and the minimum input impedance ri from a high-pass filter with the corner frequency are determined in the following equation: the value of c i is important to consider as it directly af- fects the low frequency performance of the circuit. ri is the internal input resistance that typical value is 13.2k w at 6db and the specification calls for a flat bass response down to 20hz. equation is reconfigured as below: power supply decoupling (c s ) the apa2177 is a high-performance cmos audio ampli- fier that requires adequate power supply decoupling to ensure the output total harmonic distortion (thd+n) is as low as possible. power supply decoupling also pre- vents the oscillations causing by long lead length be- tween the amplifier and the speaker. charge pump flying capacitor, c cpf the flying capacitor affects the load transient of the charge pump. if the capacitor s value is too small, then that will degrade the charge pump s current driver capability and the performance of headphone drive amplifier. increasing the flying capacitor s value will improve the load transient of charge pump. it is recommend using the low esr ceramic capacitors (x7r type is recommended) above 1 m f. (1) ci i ) c(highpass f r 2 1 f p = consider to input resistance variation, the c i is 0.6 m f so one would likely choose a value in the range of 0.6 m f to 1 m f. a further consideration for this capacitor is the leak- age path from the input source through the input network (r i + r f , c i ) to the load. this leakage current creates a dc offset voltage at the input to the amplifier that reduces useful headroom, es- pecially in high gain applications. for this reason, a low leakage tantalum or ceramic capacitor is the best choice. when polarized capacitors are used, the negative side of the capacitor should face the amplifier input in most ap- plications as the dc level there is held at gnd, which is likely lower than the source dc level. please note that it is important to confirm the capacitor polarity in the application. c i i f r 2 1 c p = (2) the optimum decoupling is achieved by using two differ- ent types of capacitor that target on different types of noise on the power supply leads. for higher frequency transients, spikes, or digital hash on the line, a good low equivalent-series- resistance (esr) ceramic capacitor, typically 0.1 m f, is placed as close as possible to the de- vice vdd lead for the best performance. for filtering lower frequency noise signals, a large aluminum electrolytic capacitor of 1 m f or greater placed near the audio power amplifier is recommended. charge pump output capacitor, c cpo the output capacitor s value affects the power ripple di- rectly at hpvss. increasing the value of output capacitor reduce the power ripple. the esr of output capacitor affects the load transient of hpvss. lower esr and greater than 1 m f ceramic capacitor is recommendation.
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 15 application information layout recommendation 0.4mm 0.4mm 16 x 0.25mm figure : wlcsp-16 land pattern recommendation 1. all components should be placed close to the apa2177. for example, the input capacitor (cir, cil) should be close to apa2177 input pins to avoid causing noise coupling to apa2177 high impedance inputs; the decoupling capacitor (cs) should be placed by the apa2177 power pin to decouple the power rail noise. 2. the output traces should be short, wide (>50mil), and symmetric. 3. the input trace should be short and symmetric. 4. the power trace width should be greater than 50mil. 5. the input trace and output trace should be away from ccpf and ccpb possible. figure : tqfn3x3-16 layout recommendation 1 . 5 5 m m 1.55mm 0.5mm 0.3mm 1mm ground plane for thermal pad thermal via diameter 0.3mm x 5 4 . 0 m m recommended minimum footprint
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 16 package information wlcsp1.6x1.6-16 a a2 a1 nx seating plane aaa c b e/2 e e d pin d e s y m b o l min. max. 0.63 0.12 0.20 0.30 1.54 1.60 0.30 a a1 b d e e millimeters a2 0.27 0.33 0.4 bsc wlcsp1.6x1.6-16 0.016 bsc min. max. inches 0.025 0.005 0.011 0.013 0.008 0.012 0.061 0.063 0.012 1.54 1.60 0.061 0.063 aaa 0.05 0.002
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 17 package information tqfn3x3-16 d e pin 1 pin 1 corner e 2 l d2 e k note : 1. followed from jedec mo-220 weed-4. a a1 a3 b nx aaa c s y m b o l min. max. 0.80 0.00 0.18 0.30 1.50 1.80 0.05 1.50 a a1 b d d2 e e2 e l millimeters a3 0.20 ref tqfn3*3-16 0.30 0.50 1.80 0.008 ref min. max. inches 0.031 0.000 0.007 0.012 0.059 0.071 0.059 0.012 0.020 0.70 0.071 0.028 0.002 0.50 bsc 0.020 bsc k 0.20 0.008 2.90 3.10 0.114 0.122 2.90 3.10 0.114 0.122 aaa 0.08 0.003
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 18 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 wlcsp1.6x1.6-16 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 1.75 0.15 1.75 0.15 0.75 0.10 application a h t1 c d d w e1 f 330 2.00 50 min. 12.4+2.00 -0.00 13.0+0.50 -0.20 1.5 min. 20.2 min. 12.0 0.30 1.75 0.10 5.5 0.05 p0 p1 p2 d0 d1 t a0 b0 k0 tqfn 3x3-16 4.0 0.10 8.0 0.10 2.0 0.05 1.5+0.10 -0.00 1.5 min. 0.6+0.00 -0.40 3.30 0.20 3.30 0.20 1.00 0.20 (mm) carrier tape & reel dimensions package type unit quantity wlcsp1.6x1.6-16 tape & reel 3000 tqfn3x3 tape & reel 2500 devices per unit a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 h t1 a d
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 19 taping direction information wlcsp1.6x1.6-16 user direction of feed tqfn3x3-16 user direction of feed
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 20 classification profile
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 21 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 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 @ tj=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
copyright ? anpec electronics corp. rev. a.3 - nov., 2017 apa2177 www.anpec.com.tw 22 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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