AM1469 Motor Driver ICs
4-channel BTL driver for CD players AM1469 V33/V50
The AM1469 is a 4-channel BTL driver for CD ...
AM1469 Motor Driver ICs
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 provided for variety of applications.
Applications
1. 2. 3. CD player VCD player DVD player
Features
1) HSOP28 package with good thermal performance 2) Few external parts. 3) External resistor allows gain adjustment. 4) V33 -- 3.3V
regulator. V50 -- 5.0V
regulator (requires attached
PNP transistor) 5) Internal standard operational amplifier. 6) Built-in thermal shutdown circuit.
Absolute maximum ratings (Ta = 25¢J
Parameter Power supply voltage Power dissipation Storage temperature
¡¯1 Use base condition : 100x100mm, t=1.6mm,
)
Rating 13.5 1.7*1 -55~+150 ¢J Unit V W
Symbol Vcc max. Pd Tstg
¢J.
copper leaf 50%, glass epoxy mounting.
Derating is done at 13.6mW/¢J for operation above Ta = 25
Recommended operating conditions (Ta = 25¢J
Parameter Operating temperature Operational voltage Symbol TOPR VOPR Limits
)
Unit ¢J V
-25 ~ +85 5 ~ 12
AMtek semiconductors
- 1/8 -
July, 2003 V1.0
D. BUF
28
1
ch1-OUT A D. BUF
27
S U BG N D
2
T. S . D
ch1-OUTB D. B UF
26
ch4-O UTA
3
ch1-I N A D. B UF
10K
LEV EL S HI FT
25
-
+
+
-
-
Vcc
NG
8
D
+
-
ch2-I N B
9 13K 10K
ch2-I N A
ch2-OUTB D. BUF
12
DRIV ER-MUTE
LE V EL S HI FT
LEV EL S HI FT
ch2-OUT A
D. BUF
13 16
SU BG N D
14
-
AM1469 Motor Driver ICs
TS D¡G Thermal shut down circuit D. Buf¡G Drive buff...