View APA2012HAI-TRG_7318940.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . 3 w m o n o c l a s s - d a u d i o p o w e r a m p l i f i e r w i t h a u t o - r e c o v e r i n g s h o r t - c i r c u i t p r o t e c t i o n a p a 2 0 1 2 the apa2012 is a mono, filter-free class-d audio ampli- fier available in a wlcsp package. the gain can be set- ting by external input resistance. high psrr and differ- ential architecture provide increased immunity to noise and rf rectification. in addition to these features, a fast startup time and small package size make the apa2012 an ideal choice for both cellular handsets and pdas. the apa2012 is capable of driving 1.3 w at 5 v or 600 mw at 3.6 v into 8 w . the apa2012 is also capable of driving 4 w . the apa2012 is designed with a class-d architec- ture and operating with highly efficiency compared with class-ab amplifier. it's suitable for power sensitive application, such as battery powered devices. the filter- free architecture eliminates the output filter, reduces the external component count, board area, and system costs, and simplifies the design. the apa2012 provides thermal and over circuit protection. f e a t u r e s g e n e r a l d e s c r i p t i o n a p p l i c a t i o n s m o b i l e p h o n e s h a n d s e t s p d a s p o r t a b l e m u l t i m e d i a d e v i c e s o p e r a t i n g v o l t a g e : 2 . 4 v - 6 v l o w s u p p l y c u r r e n t ? i d d = 1 . 8 m a a t v d d = 5 v ? i d d = 1 . 5 m a a t v d d = 3 . 6 v l o w s h u t d o w n c u r r e n t ? i d d = 0 . 1 m a a t v d d = 5 v o u t p u t p o w e r a t 1 % t h d + n ? 1 . 4 0 w , a t v d d = 5 v , r l = 8 w ? 0 . 7 4 w , a t v d d = 3 . 6 v , r l = 8 w ? 2 . 5 1 w , a t v d d = 5 v , r l = 4 w ? 1 . 3 2 w , a t v d d = 3 . 6 v , r l = 4 w a t 1 0 % t h d + n ? 1 . 8 w , a t v d d = 5 v , r l = 8 w ? 0 . 9 1 w , a t v d d = 3 . 6 v , r l = 8 w ? 3 . 2 w , a t v d d = 5 v , r l = 4 w ? 1 . 6 2 w , a t v d d = 3 . 6 v , r l = 4 w l e s s e x t e r n a l c o m p o n e n t s r e q u i r e d f a s t s t a r t u p t i m e ( 4 m s ) h i g h p s r r : 7 5 d b a t 2 1 7 h z s h o r t - c i r c u i t a n d t h e r m a l p r o t e c t i o n 9 - b a l l , 1 . 2 m m x 1 . 2 m m p i t c h w l c s p s i m p l i f i e d a p p l i c a t i o n c i r c u i t bias circuitry outp outn inn apa 2012 inp shutdown vop von input signal
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 2 a p a 2 0 1 2 p i n c o n f i g u r a t i o n top view von ( a 3 ) pgnd ( b 3 ) vop ( c 3 ) gnd ( a 2 ) pvdd ( b 2 ) sd ( c 2 ) inp ( a 1 ) vdd ( b 1 ) inn ( c 1 ) 1 . 2 mm 1 . 2 m m wlcsp 1 . 2 x 1 . 2 - 9 sd 1 vdd 3 8 vop inn 2 inp 4 7 pvdd 5 von 6 gnd tdfn 3 x 3 - 8 ( top view ) o r d e r i n g a n d m a r k i n g i n f o r m a t i o n 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). a b s o l u t e m a x i m u m r a t i n g s ( n o t e 1 ) (over operating free - air temperature range unless otherwise noted.) symbol parameter rating unit v dd supply voltage (vdd, pvdd) - 0.3 to 6 .3 v v in , v sd input voltage (sd, inp, inn) - 0.3 to 3.6 v t j maximum junction temperature 150 o c t stg stor age temperature range - 65 to +150 o c t s soldering temperature range 260 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. apa 2012 package code ha : wlcsp 1 . 2 x 1 . 2 - 9 qb : tdfn 3 x 3 - 8 operating ambient temperature range i : - 40 to 85 o c handling code tr : tape & reel assembly material handling code temperature range package code g : halogen and lead free device assembly material apa 2012 ha : a 2 x x - date code apa 2012 qb : apa 2012 x x - date code
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 3 a p a 2 0 1 2 t h e r m a l c h a r a c t e r i s t i c s symbol parameter typical value unit q ja thermal resistance - junction to ambient (note 2 ) wlcsp1.2x1.2 - 9 tdfn3x3 - 8 165 60 o c /w note 3 : please refer to ? layout recommendation?, the thermalpad on the bottom of the ic should soldered directly to the pcb's thermalpad area that with several thermal vias connect to the ground plan, and the pcb is a 2-layer, 5-inch square area with 2oz copper thickness . r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s symbol parameter range unit v dd supply voltage 2 . 4 ~ 3 v ih high level threshold voltage sd 1 ~ 3 v il low level threshold voltage sd 0 ~ 0. 35 v t a ambient t emperature range - 40 ~ 85 t j junction temperature range - 40 ~ 1 2 5 o c e l e c t r i c a l c h a r a c t e r i s t i c s v dd = 5v, gnd = 0v, t a = 25 o c (unless otherwise noted) apa2012 symbol parameter test condition s min. typ. max. unit i dd supply current n o load - 1.8 - ma i ih sd high - level input curent sd = v dd - 50 - m a i il sd high - level input curent sd = 0 v - 1 - m a i sd vdd shutdown supply current sd = 0v - 1 2 m a f osc oscillator frequency - 300 - khz p - channel mosfet - 200 - v dd = 5v n - channel mosfet - 200 - p - channel mosfet - 220 - r dson static drain - source on - state resistance v dd = 3.6v n - channel mosfet - 220 - m w v os output offset voltage inn and inp connect together, a v =2v/v - 1 5 mv a v gain r in in k w 285/r in 300/r in 315/r in v/v otp over temperature protection - 170 - o c tstart - up start up time - 4 - ms
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 4 a p a 2 0 1 2 e l e c t r i c a l c h a r a c t e r i s t i c s v dd = 5v, gnd = 0v, t a = 25 o c (unless otherwise noted) apa2012 symbol parameter test condition s min. typ. max. unit v dd =5v, t a =25 x c r l = 4 w - 2.51 - thd +n = 1%, f in = 1khz r l = 8 w - 1.41 - r l = 4 w - 3.2 - p o output power thd +n = 10%, f in = 1khz r l = 8 w 1 1.8 - w r l = 4 w p o = 1.7 w - 0.1 - thd+n total harmonic distortion pulse noise f in = 1khz r l = 8 w p o = 0.9 w - 0.1 - % psrr power supply rejection ratio inputs ac floating, v pp =200mv ripple, f = 217 hz - 75 - db s/n signal - to - noise ratio with a - weighted filter p o =0.43w, r l =8 w - 90 - db v n noise output voltage inputs ac grounded with c i =2 m f, f=20hz to 20khz, a - weighting filter - 55 - m v (rms) v dd =3.6v, t a =25 x c r l = 4 w - 1.32 - thd = 1% f = 1khz r l = 8 w - 0.74 - r l = 4 w - 1.62 - po output power thd = 1 0 % f = 1khz r l = 8 w - 0.91 - w r l = 4 w p o = 0.84 w - 0.1 - thd+n total harmonic distortion pulse noise f=1khz r l = 8 w p o = 0.4 w - 0.1 - % psrr power supply rejection ratio inputs ac floating, v pp =200 mv ripple, f = 217 hz - 75 - db s/n signal - to - noise ratio with a - weighted filter p o =0.43w, r l =8 w - 90 - db v n noise output voltage inputs ac grounded with c i =2 m f, f=20hz to 20khz, a - weighting filter - 55 - m v (rms)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 5 a p a 2 0 1 2 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s thd + n vs . output power t h d + n ( % ) output power ( w ) 0 1 2 3 4 0 . 01 10 0 . 1 1 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v fin = 1 khz cin = 0 . 1 uf rin = 150 k w r l = 4 w thd + n vs . output power t h d + n ( % ) output power ( w ) 0 0 . 4 0 . 8 1 . 2 1 . 6 2 0 . 01 10 0 . 1 1 2 . 4 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v fin = 1 khz cin = 0 . 1 uf rin = 150 k w r l = 8 w thd + n vs . frequency t h d + n ( % ) frequency ( hz ) 20 20 k 100 1 k 10 k 0 . 001 0 . 01 0 . 1 1 po = 1 . 7 w po = 0 . 17 w po = 0 . 8 w v dd = 5 v cin = 0 . 1 uf rin = 150 k w r l = 4 w thd + n vs . frequency t h d + n ( % ) frequency ( hz ) 20 20 k 100 1 k 10 k 0 . 001 0 . 01 0 . 1 1 po = 0 . 9 w po = 0 . 09 w po = 0 . 45 w v dd = 5 v cin = 0 . 1 uf rin = 150 k w r l = 8 w frequence response frequency ( hz ) g a i n ( d b ) 20 50 k 100 1 k 10 k + 0 + 2 + 4 + 8 + 6 + 10 - 200 - 100 + 0 + 100 + 200 + 300 - 400 - 300 v dd = 5 v cin = 0 . 1 uf rin = 150 k w r l = 4 w po = 2 . 1 w p h a s e ( d e g ) o u t p u t n o i s e v o l t a g e ( m v ) output noise voltage vs . frequency frequency ( hz ) 20 20 k 100 1 k 10 k 45 m 50 m 65 m 75 m 55 m 85 m cin = 0 . 1 uf rin = 150 k w r l = 4 w input short to gnd a - weighting v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 6 a p a 2 0 1 2 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) output noise voltage vs . frequency o u t p u t n o i s e v o l t a g e ( m v ) frequency ( hz ) 20 20 k 100 1 k 10 k 45 m 50 m 70 m 80 m 55 m 90 m 62 m cin = 0 . 1 uf rin = 150 k w r l = 8 w input short to gnd a - weighting v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v c o m m o n m o d e r e j e c t i o n r a t i o ( d b ) cmrr vs . frequency frequency ( hz ) 20 20 k 100 1 k 10 k - 80 - 60 - 40 + 0 - 20 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v cin = 0 . 1 m f rin = 150 k w r l = 4 w input short aes - 17 ( 20 khz ) frequency ( hz ) cmrr vs . frequency c o m m o n m o d e r e j e c t i o n r a t i o ( d b ) 20 20 k 100 1 k 10 k - 80 - 60 - 40 + 0 - 20 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v cin = 0 . 1 m f rin = 150 k w r l = 8 w input short aes - 17 ( 20 khz ) frequency ( hz ) psrr vs frequency p s r r ( d b ) - 100 + 0 - 40 - 20 20 20 k 100 1 k 10 k - 80 - 60 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v cin = 0 . 1 m f rin = 150 k w r l = 4 w aes - 17 ( 20 khz ) psrr vs frequency frequency ( hz ) p s r r ( d b ) - 100 + 0 - 40 - 20 20 20 k 100 1 k 10 k - 80 - 60 v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v cin = 0 . 1 m f rin = 150 k w r l = 8 w aes - 17 ( 20 khz ) supply voltage ( v ) s u p p l y c u r r e n t ( m a ) supply current vs . supply voltage 0 2 1 . 2 1 . 6 0 4 1 2 3 0 . 4 0 . 8 5
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 7 a p a 2 0 1 2 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) output noise voltage vs . frequency o u t p u t n o i s e v o l t a g e ( m v ) frequency ( hz ) 20 20 k 100 1 k 10 k 45 m 50 m 70 m 80 m 55 m 90 m 62 m cin = 0 . 1 uf rin = 150 k w r l = 8 w input short to gnd a - weighting v dd = 2 . 4 v v dd = 3 . 6 v v dd = 5 v v dd = 5 . 5 v supply voltage ( v ) shutdown current vs . supply voltage s h u t d o w n c u r r e n t ( u a ) 0 4 1 2 3 5 0 0 . 2 0 . 12 0 . 16 0 . 04 0 . 08
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 8 a p a 2 0 1 2 p i n d e s c r i p t i o n pin no. wlcsp1.2x1.2 - 9 tdfn3x3 - 8 name i/o f unction a1 4 inp i t he non - inverting input of amplifier . in p is connected to gnd via a capacitor for single - end ( se) input signal. a2 6 gnd - ground connection for circuitry. a3 5 von o the neg ative output terminal of class - d amplifier. b1 3 vdd - supply voltage input pin. b2 7 pvdd - supply voltage only for power stage. b3 - pgnd - ground connection for power stage c1 2 inn i t he inverting input of amplifier . in n is used as audio input terminal, typically. c2 1 sd i shutdown mode control signal input, place entire ic in shutdown mode when held low. c3 8 vop o the positive output terminal of class - d amplifier. b l o c k d i a g r a m startup protection logic biases & reference over - current protection thermal protection gate drive de - glitch & modulati on logic gate drive pv dd v on gnd inp inn ramp gen ttl input buffer sd v op 320 k w vdd por
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 9 a p a 2 0 1 2 t y p i c a l a p p l i c a t i o n c i r c u i t d i f f e r e n t i a l i n p u t m o d e ( w l c s p - 9 ) s i n g l e - e n d e d i n p u t m o d e ( w l c s p - 9 ) apa 2012 pvdd ( b 2 ) 4 vdd vdd ( b 1 ) von ( a 3 ) vop ( c 3 ) pgnd ( b 3 ) gnd ( a 2 ) inn ( c 1 ) inp ( a 1 ) sd ( c 2 ) 150 k w 150 k w 0 . 1 m f 0 . 1 m f 1 m f 10 m f negative input signal positive input signal shutdown signal apa 2012 pvdd ( b 2 ) 4 vdd vdd ( b 1 ) von ( a 3 ) vop ( c 3 ) pgnd ( b 3 ) gnd ( a 2 ) inn ( c 1 ) inp ( a 1 ) sd ( c 2 ) 150 k w 150 k w 0 . 1 m f 0 . 1 m f 1 m f 10 m f singal - ended signal shutdown signal
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 0 a p a 2 0 1 2 a p p l i c a t i o n i n f o r m a t i o n f i g u r e 1 . a p a 2 0 1 2 o u t p u t w a v e f o r m ( v o l t a g e & c u r r e n t ) f u l l y d i f f e r e n t i a l a m p l i f i e r t h e a p a 2 0 1 2 i s a f u l l y d i f f e r e n t i a l a m p l i f i e r w i t h d i f f e r e n - t i a l i n p u t s a n d o u t p u t s . t h e f u l l y d i f f e r e n t i a l h a s s o m e a d v a n t a g e s v e r s u s t r a d i t i o n a l a m p l i f i e r . f i r s t , t h e r e i s n o n e e d f o r t h e i n p u t c o u p l i n g c a p a c i t o r s , b e c a u s e t h e c o m - m o n - m o d e f e e d b a c k w i l l c o m p e n s a t e t h e i n p u t b i a s . t h e i n p u t s c a n b i a s e d f r o m 0 . 5 v ~ v d d - 0 . 5 v , a n d t h e o u t p u t s s t i l l b e b i a s e d a t m i d - s u p p l y o f a p a 2 0 1 2 . i f t h e i n p u t s a r e b i a s e d o u t o f t h e i n p u t r a n g e , t h e c o u p l i n g c a p a c i t o r s a r e r e q u i r e d . s e c o n d , n o n e e d t h e m i d - s u p p l y c a p a c i t o r ( c b ) , t h i s i s b e c a u s e a n y s h i f t o f t h e m i d - s u p p l y o f a p a 2 0 1 2 , w i l l h a v e t h e s a m e a f f e c t b o t h p o s i t i v e & n e g a t i v e c h a n n e l , a n d w i l l c a n c e l a t t h e d i f f e r e n t i a l o u t p u t s . t h i r d , t h e f u l l y d i f f e r e n t i a l a m p l i f i e r w i l l c a n c e l t h e g s m r f t r a n s m i t t e r ? s s i g n a l ( 2 1 7 h z ) . c l a s s - d o p e r a t i o n s h u t d o w n f u n c t i o n i n o r d e r t o r e d u c e p o w e r c o n s u m p t i o n w h i l e n o t i n u s e , t h e a p a 2 0 1 2 c o n t a i n s a s h u t d o w n f u n c t i o n t o e x t e r n a l l y t u r n o f f t h e a m p l i f i e r b i a s c i r c u i t r y . t h i s s h u t d o w n f e a t u r e t u r n s t h e a m p l i f i e r o f f w h e n l o g i c l o w i s p l a c e d o n t h e s d p i n f o r a p a 2 0 1 2 . t h e t r i g g e r p o i n t b e t w e e n a l o g i c h i g h a n d l o g i c l o w l e v e l i s t y p i c a l l y 0 . 4 v d d . i t i s b e s t t o s w i t c h b e t w e e n g r o u n d a n d t h e s u p p l y v o l t a g e v d d t o p r o v i d e m a x i m u m d e v i c e p e r f o r m a n c e . b y s w i t c h i n g t h e s d p i n t o l o w l e v e l , t h e a m p l i f i e r e n t e r s a l o w - c o n s u m p t i o n - c u r - r e n t s t a t e , i dd f o r a p a 2 0 1 2 i s i n s h u t d o w n m o d e . o n n o r - m a l o p e r a t i n g , a p a 2 0 1 2 ? s s d p i n s h o u l d p u l l t o h i g h l e v e l t o k e e p i n g t h e i c o u t o f t h e s h u t d o w n m o d e . t h e s d p i n s h o u l d b e t i e d t o a d e f i n i t e v o l t a g e t o a v o i d u n w a n t e d s t a t e c h a n g e s . the apa2012 modulation scheme is show in figure 1, the outputs v op and v on are in phase with each other when no input signals. when output > 0v the duty cycle of vop is greater than 50% and v on is less than 50%, and when output <0v, the duty cycle of vop is less than 50% and v on is greater than 50%. this method reduces the switching current across the load, and reduces the i 2 r losses in the load that improve the amplifier?s efficiency. this modulation scheme has very short pulses across the load, this making the small ripple current and very little loss on the load, and the lc filter can be eliminate in most applications. added the lc filter can increase the efficiency by filter the ripple current. v outp v outn v out ( v outp - v outn ) i out output = 0 output > 0 output < 0 v outp v outn v out ( v outp - v outn ) i out v outp v outn v out ( v outp - v outn ) i out s q u a r e w a v e i n t o t h e s p e a k e r a p p l y t h e s q u a r e w a v e i n t o t h e s p e a k e r m a y c a u s e t h e v o i c e c o i l o f s p e a k e r j u m p o u t t h e a i r g a p a n d d e f a c e t h e v o i c e c o i l . b u t t h i s d e p e n d o n t h e a m p l i t u d e o f s q u a r e w a v e i s h i g h e n o u g h a n d t h e b a n d w i d t h o f s p e a k e r i s h i g h t h a n t h e s q u a r e w a v e ? | s f r e q u e n c y . f o r 2 5 0 k h z s w i t c h i n g f r e q u e n c y , t h i s i s n o t i s s u e f o r t h e s p e a k e r , b e c a u s e t h e f r e q u e n c y i s b e y o n d t h e a u d i o b a n d , a n d c a n ? | t s i g n i f i c a n t l y m o v e t h e v o i c e c o i l , a s c o n e m o v e m e n t i s p r o p o r t i o n a l t o 1 / f 2 f o r f r e q u e n c y o u t o f a u d i o b a n d .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 1 a p a 2 0 1 2 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) o v e r c u r r e n t p r o t e c t i o n t h e a p a 2 0 1 2 m o n i t o r s t h e o u t p u t c u r r e n t , a n d w h e n t h e c u r r e n t e x c e e d s t h e c u r r e n t - l i m i t t h r e s h o l d , t h e a p a 2 0 1 2 t u r n - o f f t h e o u t p u t s t a g e t o p r e v e n t t h e o u t p u t d e v i c e f r o m d a m a g e s i n o v e r - c u r r e n t o r s h o r t - c i r c u i t c o n d i t i o n . t h e i c w i l l t u r n - o n t h e o u t p u t b u f f e r a f t e r 1 0 0 m s , b u t i f t h e o v e r - c u r r e n t o r s h o r t - c i r c u i t s c o n d i t i o n i s s t i l l r e m a i n , i t e n t e r s t h e o v e r - c u r r e n t p r o t e c t i o n a g a i n . t h e s i t u a t i o n w i l l c i r - c u l a t e u n t i l t h e o v e r - c u r r e n t o r s h o r t - c i r c u i t s h a s b e r e m o v e d . t h e r m a l p r o t e c t i o n t h e o v e r - t e m p e r a t u r e c i r c u i t l i m i t s t h e j u n c t i o n t e m p e r a - t u r e o f t h e a p a 2 0 1 2 . w h e n t h e j u n c t i o n t e m p e r a t u r e e x c e e d s t j = + 1 7 0 o c , a t h e r m a l s e n s o r t u r n s o f f t h e o u t p u t b u f f e r , a l l o w i n g t h e d e v i c e s t o c o o l . t h e t h e r m a l s e n s o r a l l o w s t h e a m p l i f i e r t o s t a r t - u p a f t e r t h e j u n c t i o n t e m p e r a - t u r e d o w n a b o u t 1 5 0 o c . t h e t h e r m a l p r o t e c t i o n i s d e - s i g n e d w i t h a 2 5 o c h y s t e r i c s t o l o w e r t h e a v e r a g e t j d u r - i n g c o n t i n u o u s t h e r m a l o v e r l o a d c o n d i t i o n s , i n c r e a s i n g l i f e t i m e o f t h e i c . i n p u t r e s i s t a n c e , r i n t h e g a i n o f t h e a p a 2 0 1 2 h a s b e e n s e t b y t h e e x t e r n a l r e s i s t o r s ( r i n ) . (1) r 2x150k gain(av) in w = f o r f u l l y d i f f e r e n t i a l o p e r a t i n g , t h e r i n m a t c h i s v e r y i m p o r - t a n t f o r c m r r , p s r r a n d h a r m o n i c d i s t o r t i o n p e r f o r m a n c e . i t ? s r e c o m m e n d e d t o u s e 1 % t o l e r a n c e r e - s i s t o r o r b e t t e r . k e e p i n g t h e i n p u t t r a c e a s s h o r t a s p o s - s i b l e t o l i m i t t h e n o i s e i n j e c t i o n . t h e g a i n i s r e c o m m e n d e d t o s e t a s 2 v / v o r l o w e r f o r a p a 2 0 1 2 o p t i m a l p e r f o r m a n c e . i n p u t c a p a c i t o r , c i n i n t h e t y p i c a l a p p l i c a t i o n , a n i n p u t c a p a c i t o r , c i n , i s r e q u i r e d t o a l l o w t h e a m p l i f i e r t o b i a s t h e i n p u t s i g n a l t o t h e p r o p e r d c l e v e l f o r o p t i m u m o p e r a t i o n . i n t h i s c a s e , c i n a n d t h e m i n i m u m i n p u t i m p e d a n c e r i n f r o m a h i g h - p a s s f i l t e r w i t h t h e c o r n e r f r e q u e n c y a r e d e t e r m i n e d i n t h e f o l l o w i n g e q u a t i o n : (2) c r 2 1 f in in ) c(highpass p = t h e v a l u e o f c i n m u s t b e c o n s i d e r e d c a r e f u l l y b e c a u s e i t d i r e c t l y a f f e c t s t h e l o w f r e q u e n c y p e r f o r m a n c e o f t h e c i r c u i t . f o r e x a m p l e , w h e n r i n i s 1 0 0 k w a n d t h e s p e c i f i c a t i o n c a l l s f o r a f l a t b a s s r e s p o n s e a r e d o w n t o 4 0 h z . t h e e q u a t i o n i s r e c o n f i g u r e d a s b e l o w : (3) f r 2 1 c c in in p = w h e n i n p u t r e s i s t a n c e i s c o n s i d e r e d , t h e c i n i s 0 . 2 m f . t h e r e f o e , a v a l u e i n t h e r a n g e o f 0 . 2 2 m f t o 0 . 1 . 0 m f w o u l d b e c h o s e n . a f u r t h e r c o n s i d e r a t i o n f o r t h i s c a p a c i t o r i s t h e l e a k a g e p a t h f r o m t h e i n p u t s o u r c e t h r o u g h t h e i n p u t n e t - w o r k ( r i n + r f , c i n ) t o t h e l o a d . t h i s l e a k a g e c u r r e n t c r e a t e s a d c o f f s e t v o l t a g e a t t h e i n p u t t o t h e a m p l i f i e r t h a t r e d u c e s u s e f u l h e a d r o o m , e s - p e c i a l l y i n h i g h g a i n a p p l i c a t i o n s . f o r t h i s r e a s o n , a l o w - l e a k a g e t a n t a l u m o r c e r a m i c c a p a c i t o r i s t h e b e s t c h o i c e . w h e n p o l a r i z e d c a p a c i t o r s a r e u s e d , t h e p o s i t i v e s i d e o f t h e c a p a c i t o r s h o u l d f a c e t h e a m p l i f i e r i n p u t i n m o s t a p p l i - c a t i o n s b e c a u s e t h e d c l e v e l o f t h e a m p l i f i e r s ? i n p u t s a r e h e l d a t v d d / 2 . p l e a s e n o t e t h a t i t i s i m p o r t a n t t o c o n f i r m t h e c a p a c i t o r p o l a r i t y i n t h e a p p l i c a t i o n . p o w e r s u p p l y d e c o u p l i n g , c s t h e a p a 2 0 1 2 i s a h i g h - p e r f o r m a n c e c m o s a u d i o a m p l i - f i e r t h a t r e q u i r e s a d e q u a t e p o w e r s u p p l y d e c o u p l i n g t o e n s u r e t h e o u t p u t t o t a l h a r m o n i c d i s t o r t i o n ( t h d + n ) i s a s l o w a s p o s s i b l e . p o w e r s u p p l y d e c o u p l i n g a l s o p r e - v e n t s t h e o s c i l l a t i o n s b e i n g c a u s e d b y l o n g l e a d l e n g t h b e t w e e n t h e a m p l i f i e r a n d t h e s p e a k e r . t h e o p t i m u m d e c o u p l i n g i s a c h i e v e d b y u s i n g t w o d i f f e r - e n t t y p e s o f c a p a c i t o r s t h a t t a r g e t o n d i f f e r e n t t y p e s o f n o i s e o n t h e p o w e r s u p p l y l e a d s . f o r h i g h e r f r e q u e n c y t r a n s i e n t s , s p i k e s , o r d i g i t a l h a s h o n t h e l i n e , a g o o d l o w e q u i v a l e n t - s e r i e s - r e s i s t a n c e ( e s r ) c e r a m i c c a p a c i t o r , t y p i c a l l y 0 . 1 m f , i s p l a c e d a s c l o s e a s p o s s i b l e t o t h e d e - v i c e v d d p i n f o r t h e b e s t o p e r a t i o n . f o r f i l t e r i n g l o w e r f r e q u e n c y n o i s e s i g n a l s , a l a r g e a l u m i n u m e l e c t r o l y t i c c a p a c i t o r o f 1 0 m f o r g r e a t e r i s p l a c e d n e a r t h e a u d i o p o w e r a m p l i f i e r i s r e c o m m e n d e d .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 2 a p a 2 0 1 2 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) o u t p u t l c f i l t e r i f t h e t r a c e s f r o m t h e a p a 2 0 1 2 t o s p e a k e r a r e s h o r t , t h e a p a 2 0 1 2 d o e s n ? t r e q u i r e o u t p u t f i l t e r f o r f c c & c e s t a n d a r d . a f e r r i t e b e a d m a y b e n e e d e d i f i t ? s f a i l i n g t h e t e s t f o r f c c o r c e i s t e s t e d w i t h o u t t h e l c f i l t e r . t h e f i g u r e 2 i s t h e s a m p l e f o r a d d i n g f e r r i t e b e a d ; t h e f e r r i t e s h o w s w h e n c h o o s i n g h i g h i m p e d a n c e i n h i g h f r e q u e n c y . f i g u r e 2 . f e r r i t e b e a d o u t p u t f i l t e r von vop 4 w 1n f 1n f ferrite bead ferrite bead f i g u r e 3 ? s l o w p a s s f i l t e r c u t - o f f f r e q u e n c y i s f c f i g u r e 3 i s a n e x a m p l e f o r a d d i n g t h e l c f i l t e r . i t ? s r e c o m - m e n d e d t o e l i m i n a t e t h e r a d i a t e d e m i s s i o n o r e m i w h e n t h e t r a c e f r o m a m p l i f i e r t o s p e a k e r i s t o o l o n g . f i g u r e 3 . l c o u t p u t f i l t e r (4) lc 2 1 f c(lowpass) p = von vop 4 1 m f 1 m f 33 m h 33 m h m i x i n g t w o s i n g l e - e n d e d i n p u t s i g n a l s r 1 inp inn r 2 r p c 1 c 2 c p f i g u r e 4 . m i x i n g t w o s i n g l e - e n d e d i n p u t s i g n a l s f o r m i x i n g t w o s i n g l e - e n d e d ( s e ) i n p u t s i g n a l s , p l e a s e r e f e r t o f i g u r e 4 . t h e g a i n s o f e a c h i n p u t c a n b e s e t d i f f e r e n c e : (5) r 150k 2 (1) a 1 v w = (6) r 150k 2 (2) a 2 v w = t h e c o r n e r f r e q u e n c y o f e a c h i n p u t h i g h - p a s s - f i l t e r a l s o c a n b e s e t b y r 1 & c 1 , a n d r 2 & c 2 . t h e n o n - i n v e r t i n g i n p u t ? s r e s i s t o r ( r p ) a n d c a p a c i t o r ( c p ) n e e d t o m a t c h t h e i m p e d a n c e s o f i n v e r t i n p u t s . (7) c c c // c c 2 1 2 1 p + = = (8) r r r r //r r r 2 1 2 1 2 1 p + = =
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 3 a p a 2 0 1 2 p a c k a g e i n f o r m a t i o n wlcsp1.2x1.2-9 pin 1 d e s y m b o l min . max . 0 . 63 0 . 12 0 . 20 0 . 30 1 . 10 1 . 25 0 . 20 a a 1 b d e e millimeters a 2 0 . 37 0 . 43 0 . 40 bsc wlcsp 1 . 2 x 1 . 2 - 9 0 . 016 bsc min . max . inches 0 . 025 0 . 005 0 . 015 0 . 017 0 . 008 0 . 012 0 . 043 0 . 049 0 . 008 1 . 10 1 . 25 0 . 043 0 . 049 aaa 0 . 05 bsc 0 . 002 e e b aaa nx seating plane a a 2 a 1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 4 a p a 2 0 1 2 p a c k a g e i n f o r m a t i o n t d f n 3 x 3 - 8 d e pin 1 a b a1 a3 s y m b o l min. max. 0.80 0.00 0.25 0.35 1.90 2.40 0.05 1.40 a a1 b d d2 e e2 e l millimeters a3 0.20 ref tdfn3x3-8 0.30 0.50 1.75 0.008 ref min. max. inches 0.031 0.000 0.010 0.014 0.075 0.094 0.055 0.012 0.020 0.70 0.069 0.028 0.002 0.65 bsc 0.026 bsc 0.20 0.008 k 2.90 3.10 0.114 0.122 2.90 3.10 0.114 0.122 pin 1 corner d2 e e 2 k l
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 5 a p a 2 0 1 2 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 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 wlcsp 1.5x1.5 - 9 a 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 1.70 ? 0.20 1.70 ? 0.20 0.90 ? 0.20 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 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 tdfn3x3 - 8 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) c a r r i e r t a p e & r e e l d i m e n s i o n s h t1 a d a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 d e v i c e s p e r u n i t package type unit quantity wlcsp 1.2x1.2 - 9 tape & reel 3000 tdfn3x3 - 8 tape & reel 3000
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 6 a p a 2 0 1 2 t a p i n g d i r c e t i o n i n f o r m a t i o n wlcsp1.2x1.2-9 user direction of feed t d f n 3 x 3 - 8 user direction of feed
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 7 a p a 2 0 1 2 c l a s s i f i c a t i o n p r o f i l e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 8 a p a 2 0 1 2 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 - 1 2 0 seconds average ramp - up rate (t smax to t p ) 3 c/second ma x. 3 c/second max. liquidous temperature ( t l ) time at l iquidous (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 spec ified c lassification t emperature ( t c ) 2 0 ** seconds 3 0 ** seconds average r amp - down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to p eak t emperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined a s 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. c l a s s i f i c a t i o n r e f l o w p r o f i l e s table 1. snpb eutectic process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 22 0 c 3 2.5 mm 220 c 220 c table 2. pb - free process ? 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 ? 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c r e l i a b i l i t y t e s t p r o g r a m 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 ? 2kv mm jesd - 22, a1 15 vmm ? 200v latch - up jesd 78 10ms, 1 tr ? 100ma
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 3 - o c t . , 2 0 1 3 w w w . a n p e c . c o m . t w 1 9 a p a 2 0 1 2 c u s t o m e r s e r v i c e a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8

▲Up To Search▲

Price & Availability of APA2012HAI-TRG

	To Download APA2012HAI-TRG Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .