TDA7404 ST Microelectronics, TDA7404 Datasheet - Page 18

• Manufacturer Part Number: TDA7404
• Description: CARRADIO-SIGNAL-PROCESSOR
• Manufacturer: ST Microelectronics

TDA7404D
2.5 DATA BYTE SPECIFICATION
2.5.1 Input Selector / Gain
2.5.2 Loudness
Note 1: The attenuation is specified at high frequencies. Around the center frequency the value is different depending on the programmed
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MSB
MSB
D
D
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
7
7
attenuation (see Loudness-frequency-response).
D
D
X
X
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
6
6
D
D
X
X
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
5
5
D
D
X
X
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
4
4
D
D
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
:
3
3
D
D
0
0
0
0
1
1
1
1
0
0
1
1
:
2
2
D
D
0
0
1
1
0
0
1
1
0
0
1
1
:
1
1
LSB
LSB
D
D
0
1
0
1
0
1
0
1
0
1
0
1
:
0
0
Source Selector
Mono Differential
Single Ended 1
Mute
Single Ended 2
Pseudo Differential / Single Ended 4
Single Ended 3
Mute
Beep
Input Gain
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
16dB
18dB
20dB
Attenuation
-1 dB
:
-14 dB
-15 dB
Filter / Center Frequency
off(flat) 'D6 must be = 0'
400Hz
800Hz
2.4KHz
Shape
Low Boost
Low & High Boost
SoftStep-Volume
off
on
0 dB
LOUDNESS
FUNCTION