BA5912BFP データシートの表示（PDF） - ROHM Semiconductor

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BA5912BFP

Power Driver For CD-ROM

ROHM Semiconductor 

3/5

{ APPLICATION CIRCUIT DIAGRAM

When used at Pre Vcc > Pow Vcc + VF and in the standby mode, REF1 (PIN3) and REF2 (PIN12) must be

set to open, or 0.5V or less. When used with REF1 (PIN3) and REF2 (PIN12) shorted; or MUTE1 (PIN2)

and MUTE2 (PIN13) shorted, each microcomputer output must be able to supply a current of 300µA or so.

{ PIN NUMBERS, PIN NAMES

No. Pin Name

Description

1

GND Substrate GND

2

MUTE1 CH1 mute terminal

3

REF1 CH1Vref switching terminal

4 Pow Vcc1 Pow Vcc(CH1)

5

OUT１- CH1 negative output terminal

6

OUT1+ CH1 positive output terminal

7

GND Substrate GND

8

OUT2+ CH2 positive output terminal

9

OUT2- CH2 negative output terminal

10 Pow Vcc2 Pow Vcc(CH2)

11 Pre Vcc Pre Vcc

12

REF2 CH2Vref switching terminal

13 MUTE2 CH2 mute terminal

No. Pin Name

Description

14

IN2’

CH2 input terminal for gain

control

15

IN2

CH2 input terminal with gain

fixed

16 OP1-OUT Operational amplifier 1 output

17 OP1-IN- Operational amplifier 1- input

18 OP-IN+ Operational amplifier 1+ input

19

GND Substrate GND

20

BIAS Bias input terminal

21 OP2-IN+ Operational amplifier 2+ input

22 OP2-IN- Operational amplifier 2- input

23 OP2-OUT Operational amplifier 2 output

24

IN1

CH1 input terminal with gain

fixed

25

IN1’

CH1 input terminal for gain

control

* The positive or negative polarity on an output

terminal is determine by the input polarity.

REV. A

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