MSB

LSB

FUNCTION

D7

D6

D5

D4

D3

D2

D1

D0

0

X

High Pass Mute ON

1

High Pass Mute OFF

0

AUX1 Input Mute ON

1

AUX1 Input Mute OFF

0

AUX2 Inverted Output

1

AUX2 Non Inv. Output

AUX 2 Output Selection

0

0

High Pass Filter Front

0

1

High Pass Filter Rear

1

0

Aux 1 Input

1

1

Mute

AUX1 Low Pass Filter

(C1 = C2 = 100nF)

0

0

Flat

0

1

120Hz

1

0

80Hz

1

1

50Hz

GAIN AUX1L, AUX1R

MSB

LSB

GAIN AUX1L, R

D7

D6

D5

D4

D3

D2

D1

D0

1

:

1

1

1

:

1

1

0

0

:

0

0

:

0

0

X

0

:

0

0

0

:

0

0

0

0

:

0

0

:

1

1

1

0

:

0

0

0

:

0

0

0

0

:

0

0

:

0

0

1

1

:

1

1

0

:

0

0

0

0

:

0

1

:

0

0

X

1

:

0

0

1

:

0

0

0

0

:

1

0

:

1

1

X

1

:

0

0

1

:

0

0

0

0

:

1

0

:

1

1

X

1

:

0

0

1

:

0

0

0

0

:

1

0

:

1

1

X

1

:

1

0

1

:

1

0

0

1

:

1

0

:

0

1

X

+31dB

:

+17dB

+16dB

+15dB

:

+1dB

0dB

0dB

-1dB

:

-15dB

-16dB

:

-78dB

-79dB

Mute

Note: Is is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by

software to the maximum value, which is needed for the system.

MODE

TDA7401

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