9/23

TDA7437N

DATA BYTE SPECIFICATION

(*) Selected when using a 3 wires differential source (pins 5 and 13 shorted)

(**) Selected when using 4 wires differential source

(1) OUTR-INR (OUTL-INR) short circuited internally (no need external connection)

Loudness

MSB

LSB

FUNCTION

D7

D6

D5

D4

D3

D2

D1

D0

1

0

0

0

DIFFERENTIAL

1

0

0

1

STEREO 1

1

0

1

0

STEREO 2

1

0

1

1

STEREO 3

1

1

0

0

STEREO 4

1

101

MONO

X

X

X

X

0

X

X

X

DC CONNECT (1)

0

0

HALF-DIFF 0dB (*)

0

1

HALF-DIFF -6dB (*)

1

0

FULL-DIFF 0dB (**)

1

1

FULL-DIFF -6dB (**)

MSB

LSB

FUNCTION

D7

D6

D5

D4

D3

D2

D1

D0

LOUDNESS STEP

00

00

0

0

0dB

00

00

0

1

1dB

00

00

1

0

2dB

00

00

1

1

3dB

00

01

0

0

4dB

00

01

0

1

5dB

00

01

1

0

6dB

00

01

1

1

7dB

00

10

0

0

8dB

00

10

0

1

9dB

0

0

1

0

1

0

10dB

0

0

1

0

1

1

11dB

0

0

1

1

0

0

12dB

0

0

1

1

0

1

13dB

0

0

1

1

1

0

14dB

0

0

1

1

1

1

15dB

0

1

0

0

0

0

16dB

0

1

0

0

0

1

17dB

0

1

0

0

1

0

18dB

0

1

0

0

1

1

19dB

0

1

0

1

0

0

20dB

1

LOUDNESS OFF

FINE VOLUME

00

0dB

01

-0.25dB

10

-0.5dB

11

-0.75dB