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NJU8711

3V Operation Switching Driver for Class D Amplifier

Japan Radio Corporation  

NJU8711

! TERMINAL DESCRIPTION

No.

SYMBOL

I/O

Function

3

VDD

- Power Supply, VDD=3V

8

VSS

- Power GND, VSS=0V

Master Clock Input Terminal

2

MCK

I

The condition of the data input terminal is fetched with the rising

edge of this signal.

1

5

EN1

EN2

I

Output Control Terminal

Output circuit is selected by the condition of this terminal.

7

9

IN1

IN2

I

Audio Signal Input Terminal

1-bit Audio Signal inputs into this terminal.

4

BEEP

I

Beep Signal Input Terminal

Beep signal inputs into this terminal.

Output Terminal

• When Output Terminal selects Audio Signal, IN1 terminal input data

6

10

OUT1

OUT2

O

outputs from OUT1 terminal and IN2 terminal input data outputs from

OUT2 terminal.

• When Output Terminal selects Beep Signal, BEEP terminal input

data outputs from OUT1 and OUT2 terminals.

! INPUT TERMINAL STRUCTURE

VDD

Input Terminal

VSS

Inside Circuit

-2-

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