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KA3012D

Fairchild
Part Number KA3012D
Manufacturer Fairchild
Description 4-Channel Motor Driver
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA3012D 4-Channel Motor Driver Features • BTL (H-Bridge type linear) 4channel motor driver • Wid...
Datasheet PDF File KA3012D PDF File

KA3012D
KA3012D

Overview
www.
fairchildsemi.
com KA3012D 4-Channel Motor Driver Features • BTL (H-Bridge type linear) 4channel motor driver • Wide dynamic range: - SVCC=12V, PVCC1=5V, RL=8Ω → VOM=4.
2V - SVCC=12V, PVCC2=12V, RL=24Ω → VOM=10.
4V • Built in level-shift circuit • Built in OP-amp for digital input • Built in thermal shutdown (TSD) circuit • Three independent sources • Low crossover distortion • Built-in reverse rotation prevented • Built-in short breaker Description The KA3012D is a monolithic IC, and suitable for 4-CH motor driver which drives sled motor, loading motor, focus & tracking actuator of CD-media system and built in OPamp which can receive digital signal from servo of CDmedia system.
28-SSOPH-375 Typical Applications • • • • • • Compact disk ROM (CD-ROM) Compact disk RW (CD-RW) Digital video disk ROM (DVD-ROM) Digital video disk RAM (DVD-RAM) Digital video disk player (DVDP) Other compact disk media Ordering Information Device KA3012D-02 Package 28-SSOPH-375 Operating Temp.
-35 °C ~ 85 °C -35 °C ~ 85 °C KA3012D-02TF 28-SSOPH-375 Rev.
1.
0.
1 February.
2000.
©2000 Fairchild Semiconductor International 1 1 27 2 3 4 5 6 7 26 25 24 23 22 28 CH1-O GND Pin Assignments CH1-O CH4-O AMP1-O CH4-O AMP1-I (−) AMP4-O AMP1-I (+) AMP4-I (−) BIAS AMP4-I (+) SVCC PVCC1 FIN (GND) KA3012D 20 MUTE AMP2-I (+) AMP2-I (−) AMP2-O CH2-O CH2-O FIN (GND) 2 21 8 GND 9 10 11 12 13 14 PVCC2 AMP3-I (+) 19 18 17 16 15 AMP3-I (−) AMP3-O CH3-O CH3-O GND KA3012D KA3012D Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name CH1-O CH1-O AMP1-O AMP1-I(−) AMP1-I(+) BIAS SVCC GND MUTE AMP2-I(+) AMP2-I(−) AMP2-O AMP2-O CH2-O GND CH3-O CH3-O AMP3-O AMP3-I(−) AMP3-I(+) PVCC2 PVCC1 AMP4-I(+) AMP4-I(−) AMP4-O CH4-O CH4-O GND I/O O O O I I I I I I O O O O O O I I I I O O O Pin Function Description Drive CH 1 output (−) Drive CH 1 output (+) Op-amp CH 1 output Op-amp CH 1 input (−) OP-amp CH 1 input (+) Bias input...


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