ML1469 Ver la hoja de datos (PDF) - Minilogic Device Corporation Limited

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ML1469

4-channel BTL driver for CD players

Minilogic Device Corporation Limited 

ML1469

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™ Pin Configuration

28

27

26 25

24

23 22

21 20

19

18

17

16

15

ML1469

1

2

3

4

5

6

7

8

9

10

11

12

13

14

™ Pin Description

Pin Pin Name Function

Pin Pin Name Function

1 ch1-OUTA Driver channel 1 negative output

15 OP IN (-) Operational amplifier negative input

2 ch1-OUTB Driver channel 1 positive output

16 OP IN (+) Operational amplifier positive input

3 ch1-INA Driver channel 1 input

17 ch3-OUTA Driver channel 3 negative output

4 ch1-INB Driver channel 1 input, gain adjustment 18 ch3-OUTB Driver channel 3 positive output

5 Tr-B

Connect to external transistor base

19 ch3-INA Driver channel 3 input

6 Vreg OUT Regulated voltage output (5.0V or 3.3V) 20 ch3-INB Driver channel 3 input, gain adjustment

7 MUTE

Driver mute control input

21 Vcc

Power supply

8 GND

Ground

22 Vcc

Power supply

9 ch2-INB Driver channel 2 input, gain adjustment 23 BIAS IN Bias amplifier input pin

10 ch2-INA Driver channel 2 input

24 ch4-INB Driver channel 4 input, gain adjustment

11 ch2-OUTB Driver channel 2 positive output

25 ch4-INA Driver channel 4 input

12 ch2-OUTA Driver channel 2 negative output

26 ch4-OUTB Driver channel 4 positive output

13 SUBGND Substrate ground

27 ch4-OUTA Driver channel 4 negative output

14 OP OUT Operational amplifier output

28 SUBGND Substrate ground

BTL Driver for CD Player

2/5

May, 2004 V1.3

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