TDA7404D Datasheet, PDF (18/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

TDA7404D
2.5 DATA BYTE SPECIFICATION
2.5.1 Input Selector / Gain
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
FUNCTION
Source Selector
0
0
0 Mono Differential
0
0
1 Single Ended 1
0
1
0 Mute
0
1
1 Single Ended 2
1
0
0 Pseudo Differential / Single Ended 4
1
0
1 Single Ended 3
1
1
0 Mute
1
1
1 Beep
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
X
X
X
0
1
X
X
X
1
Input Gain
0dB
1dB
2dB
3dB
4dB
5dB
6dB
7dB
8dB
9dB
10dB
11dB
12dB
13dB
14dB
16dB
18dB
20dB
2.5.2 Loudness
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
LOUDNESS
Attenuation
0
0
0
0 0 dB
0
0
0
1 -1 dB
:
:
:
::
1
1
1
0 -14 dB
1
1
1
1 -15 dB
0
0
0
0
1
1
0
1
1
Filter / Center Frequency
off(flat) 'D6 must be = 0'
400Hz
800Hz
2.4KHz
Shape
0
Low Boost
1
Low & High Boost
SoftStep-Volume
0
off
1
on
Note 1: The attenuation is specified at high frequencies. Around the center frequency the value is different depending on the programmed
attenuation (see Loudness-frequency-response).
18/26