KA3012D

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 KA3012...