FAN7031 データシートの表示（PDF） - Fairchild Semiconductor

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FAN7031

2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

Fairchild Semiconductor 

Pin Assignments

FAN7031

GND

G0

G1

LOUT+

LIN-

PVDD2

RIN+

LOUT-

LIN+

BYPASS

1

20

Heat Sink

10

11

GND

SD

ROUT+

RIN-

VDD

PVDD1

ROUT-

NC

SE/ BTL

GND

Pin Description

Pin No

Symbol

I/O

Decription

1*

GND

- Ground

2

G0

I Gain Selection Input(MSB)

3

G1

I Gain Selection Input(LSB)

4

LOUT+

O Left Channel (+) Output

5

LIN-

I Left Channel (-) Input

6**

PVDD2

I Left Channel Power Supply Voltage

7

RIN+

I Right Channel (+) Input

8

LOUT-

O Left Channel (-) Output

9

LIN+

I Left Channel (+) Input

10

BYPASS

O Bypass Capacitor Connect

11*

GND

- Ground

Single-Ended & BTL Selection:

12

SE/BTL

I GND ≤ SE/BTL ≤ VDD/2:BTL Mode

VDD/2 < SE/BTL ≤ VDD: SE Mode

13

NC

- No Connection

14

ROUT-

O Right Channel (-) Output

15**

PVDD1

I Right Channel Power Supply Voltage

16**

VDD

I Power Supply Voltage

17

RIN-

I Right Channel (-) Input

18

ROUT+

O Right Channel (+) Output

Shutdown Logic Low

19

SD

I SD=VDD: Chip Enable

SD=GND: Chip Shutdown

20*

GND

- Ground

* All GND is internally tied together.

** For the best performance, VDD, PVDD1 and PVDD2 must be the same voltage level(strongly recommend).

3

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