TDA7404D 데이터 시트보기 (PDF) - STMicroelectronics

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TDA7404D

CARRADIO-SIGNAL-PROCESSOR

STMicroelectronics 

TDA7404D

2.5.11 SoftMute and Mixing

MSB

LSB

D7

D6

D5

D4

D3

D2

D1

D0

FUNCTION

Mute

0 enable SoftMute

1 disable SoftMute

0

0

0

1

1

0

1

1

Mute/Zero Cross-Times

0.48ms

0.96ms

30.7ms / 9ms

122.8ms / 37ms

Mixing-Source

0

Beep

1

Phone

0

0

0

1

1

0

1

1

Mixing-Level (Main / Mix-Source)

-12 / -2.5dB

-6 / -6dB

-3.5 / -9.6dB

0 /∞

0

0

0

1

1

0

1

1

Beep Frequency

781Hz

1.56KHz

Not allow

1.8KHz

2.5.12 Others

MSB

LSB

D7

D6

D5

D4

D3

D2

D1

D0

FUNCTION

AC-Coupling

X

0 Internal pass

0

1 Coupling between Mixing Stage and Volume

1

1 Coupling between Bass filter and Speaker attenuator

1

1

0

0

0

1

1

0

1

1

Must be "1" for make up

Must be "1" for make up

Soft Step Time

0.68ms

1.26ms

2.52ms

5.04ms

1

0

1

Must be "1" for Auto zero

Internal Beep

Off

ON

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