Application Information

TS4975

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4.1.2

Gain Register Operation

The gain of the TS4975 ranges from -34dB to +18 dB. At Power-up, both the right and left

channels are set in Stand-by mode.

Table 12.

Output mode settings truth table

Table 11.

Gain settings truth table

G: Gain (dB) #

D7

(MSB)

D6

D5

D4

-34

0

0

0

1

-30

0

0

1

0

-26

0

0

1

1

-22

0

1

0

0

-18

0

1

0

1

-14

0

1

1

0

-10

0

1

1

1

-6

10

00

-2

10

01

+2

10

10

+6

10

11

+10

1

1

0

0

+14

1

1

0

1

+18

1

1

1

0

D3: PHG

on / off

D2

D1

D0

COMMENTS

0X

X

X

PHG off

1

xxx

PHG on

x

000

MODE 1

X

001

MODE 2

X

010

MODE 3

X

011

MODE4

X

100

MODE 5

X

101

MODE 6

X

110

MODE 7

X

111

MODE 8