TDA7404D View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7404D Datasheet PDF : 26 Pages
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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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