a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 1/8 - 4-channel btl driver for cd players AM1469 v33/v50 the AM1469 is a 4-channel btl driver for cd player motors and actuators. an internal 3.3v/5.0v regulator and standard op amp are pr ovided for variety of applications. applications 1. cd player 2. vcd player 3. dvd player features 1) hsop28 package with good thermal performance 4) v33 -- 3.3v regulator. v50 -- 5.0v regulator (requires attached pnp transistor) 2) few external parts. 5) intern al standard opera tional amplifier. 3) external resistor allows gain adjustment. 6) built-in thermal shutdown circuit. absolute maximum ratings (ta = 25 j ) parameter symbol rating unit power supply voltage vcc max. 13.5 v power dissipation pd 1.7* 1 w storage temperature tstg -55~+150 j ? 1 use base condition : 100x100mm, t=1.6mm, copper leaf 50%, glass epoxy mounting. derating is done at 13.6mw/ j for operation above ta = 25 j. recommended operating conditions (ta = 25 j ) parameter symbol limits unit operating temperature t opr -25 ~ +85 j operational voltage v opr 5 ~ 12 v
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 2/ 8 - z block diagram 1k 15 16 17 18 19 20 21 22 23 24 25 26 27 28 14 12 11 10 9 7 6 5 4 3 2 1 + - 13k lev el s h i f t d. b u f d. b u f vc c + - 10k 13k d. b u f d. b u f + - + - 10k 13k lev el s h i f t d. b u f 3. 3k 10k d. b u f t. s . d 10k 13k le v e l s h i f t d. b u f d. b u f 8 13 + - 50k 50k d r iv e r -m u t e su b g n d ch 4 - o u t a ch 4 - o u t b c h 4 -in a c h 4 -in b bi a s i n vc c vc c c h 3 -in b c h 3 -in a ch 3 - o u t b ch 3 - o u t a o p in (+ ) o p in (- ) c h 1 - out a c h1- o u t b ch 1 - i n a ch 1 - i n b t r-b vr e g ou t mu t e gn d ch 2 - i n b ch 2 - i n a c h2- o u t b c h 2 - out a su b g n d o p - out ts d ?g the r m a l s h ut dow n c i r c u i t d . b u f?g d r i v e b u ffe r lev el s h i f t 10k + - vc c 1k 1k + - 1k
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 3/ 8 - z pin configuration 15 16 17 18 19 20 21 su b g n d ch 4-o u ta ch 4-o u tb c h4-ina c h4-inb bia s in vc c vc c c h3-inb c h3-ina ch 3-o u tb ch 3-o u ta op in (+) op in (-) o p - out c h 2 - out a ch 1- o u t a c h 1 - out b ch 1- i n a ch 1- i n b t r-b vr e g o u t mut e gn d ch 2- i n b ch 2- i n a c h 2 - out b su b g n d 22 23 24 25 26 27 14 12 11 10 9 7 6 5 4 3 2 1 8 13 28 AM1469
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 4/8 - pin descriptions pin no. pin name function 1 ch1-out a driver channel 1 negative output 2 ch1-out b driver channel 1 positive output 3 ch1-in a driver channel 1 input 4 ch1-in b driver channel 1 input, gain adjustment pin 5 tr-b connect to external transistor base 6 vreg out constant voltage output, connects to external transistor collector 7 mute driver mute control input 8 gnd ground 9 ch2-in b driver channel 2 input, gain adjustment pin 10 ch2-in a driver channel 2 input 11 ch2-out b driver channel 2 positive output 12 ch2-out a driver channel 2 negative output 13 subgnd subs trate ground 14 op out operational amplifier output 15 op in(-) operational amplifier negative input 16 op in(+) operational amplifier positive input 17 ch3-out a driver channel 3 negative output 18 ch3-out b driver channel 3 positive output 19 ch3-in a driver channel 3 input 20 ch3-in b driver channel 3 input, gain adjustment pin 21 vcc power supply 22 vcc power supply 23 bias in bias amplifier input pin 24 ch4-in b driver channel 4 input, gain adjustment pin 25 ch4-in a driver channel 4 input 26 ch4-out b driver channel 4 positive output 27 ch4-out a driver channel 4 negative output 28 subgnd subs trate ground note ?g positive and negative output is relative to the polarity of the input pins.
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 5/8 - electrical characteristics ( unless otherwise noted, ta = 25 j , vcc = 8v, f = 1khz ) parameter symbol min typ. max unit conditions quiescent current dissipation icc 5.5 8.0 10.5 ma no load output voltage offset voo -40 ?e 40 mv maximum output high level voltage v ohd 5.2 5.6 ?e v maximum output low level voltage v old ?e 1.3 1.55 v closed loop voltage gain g vc 7.0 8.0 9.0 db v in =0.1vrms, f = 1khz ripple rejection ratio rr ?e 60 ?e db v in =0.1vrms, f = 100hz slew rate sr ?e 2.0 ?e v/ s f=100khz , v out =4v p-p square wave mute off voltage v moff 2.0 ?e ?e v <3.3 v/ 5.0 v regulator> 3.1 3.3 3.5 output voltage vreg 4.75 5.00 5.25 v i l =100ma output load differential ? v rl -50 0 10 mv i l =0~200ma power supply voltage differential ? v vcc -10 0 25 mv (vcc=6~9v) i l =100ma offset voltage v ofop -2 0 2 mv input bias current i bop ?e 20 300 na output high level voltage v ohop 6.0 ?e ?e v output low level voltage v olop ?e ?e 1.8 v output drive current (sink) i sink 10 50 ?e ma vcc at 50 ? output drive current (source) i source 10 30 ?e ma 50? at ground open loop voltage gain g vo ?e 78 ?e db v in =75dbv, f = 1khz slew rate sr op ?e 1 ?e v/ s f=100khz , v out =4v p-p square wave ripple rejection ratio rr op ?e 65 ?e db v in =-20dbv, f = 100hz common mode rejection ratio cmrr 70 84 ?e db v in =-20dbv, f = 1khz ? not designed for radiation resistance
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 6/ 8 - z measuring circuit 4 7 0 g f/25 v sw1 2 1 2 dc - i n3 10 gf / 25 v ac-i n3 sw 9 100gf / 25v 2.5 v 1 2 dc-in4 10 gf / 25v ac-in4 sw 10 to v c c 2s b 1 2 3 7 sw 11 3 2 1 10 k[ sw 15 sw14 sw 13 1 0 k [ sw1 6 gvo sh or t sw17 1 m [ 10gf / 25v sw3 8[ v dc-in1 1 sw7 2 10gf / 25v ac-in1 1l 10 0 g f /25 v v vc c on of f sw2 2 dc-in2 1 ac-i n 1 sw 8 50[ v a 3 2 1 sw 18 vcc 10k [ 10k [ sw6 8[ v 0.1gf vc c sw 1 1 2 r i p p le a 8[ v sw5 6 7 5 4 3 2 1 23 22 24 25 26 27 28 16 15 17 18 19 20 21 13 14 12 11 10 9 8 s u bgnd c h 4 - out a c h4- o u t b c h4- i n a c h 4 -inb bias in vcc vcc c h3- i n b c h 3 -ina c h3- o u t b c h3- o u t a op i n (+) op in( - ) c h2- ou t a c h1- o u t a c h 1 - out b c h1- i n a c h1- i n b tr-b vr e g out mu t e su bgnd c h 2 -inb c h 2 -ina c h2- ou t b s u bgnd op -out 50 k[ vop - i n 50 k[ 10g f / 25 v vc c 8[ sw4 v 10 00 g f /2 5v 10k [ 1 m[ 10k [
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 7/ 8 -
a m 1469 motor driv er ics a a m m t t e e k k s s e e m m i i c c o o n n d d u u c c t t o o r r s s j j u u l l y y , , 2 2 0 0 0 0 3 3 v v 1 1 . . 0 0 - 8/ 8 -
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