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BA6780FP-Y Datasheet 2-channel driver for CD changers

Manufacturer: ROHM

Overview: BA6780 / BA6780FP-Y Optical disc ICs 2-channel driver for CD changers BA6780 / BA6780FP-Y The BA6780 and BA6780FP-Y are 2-channel driver IC for CD changers that inculdes a reversible, variable speed electronic governor and a reversible driver. On sets that have dual-rail power supplies, the BA6780 and BA6780FP-Y can be operated from just the negative supply to reduce influence on the positive power supply. The input uses PWM control, and it is possible to directly input from a microprocessor running off the positive power supply. zApplications Changers for CD players and MD players.

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General Description

s BA6780 VIN2 18 VIN FIN2 17 RIN2 16 Cτ2 15 VEE 14 FBIN− 13 10k DETECTOR 10k FBIN+ 12 OUT2+ 11 OUT2− 10 1/2 VCC GOVERNOR DRIVER FWD/REV CONTROLLER VEE VEE 10k 10k 10k Vref 10k Vref DRIVE BUFFER 10k 10k 10k 10k Vref 10k 3.2k Vref THERMAL SHUT DOWN Vref V/I VEE VCC REVERSIBLE DRIVER FWD/REV CONTROLLER VI

Key Features

  • 1) Output voltage can be freely set using the output voltage setting pin. 2) Internal mute function if the power supply voltage drops. 3) Thermal shutdown function. (Contains hysteresis) 4) PWM input. 5) Settable reference voltage output pin. 6) Wide operating supply voltage. zAbsolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Logic input voltage Power dissipation BA6780 BA6780FP-Y Maximum current consumption Operating temperature Storage temperature Imax Topr Tstg Symbol VCC V.

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