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TDA7403DTR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
Mute, Beep and Mixing
MSB LSB MUTE/BEEP/MIXING
D7 D6 D5 D4 D3 D2 D1 D0
0
1
0
0
1
1
0
1
0
1
0
1
Mute
Enable Softmute
Disable Softmute
Mute time =0.48 ms
Mute time =0.96 ms
Mute time =40.4 ms
Mute time =324 ms
Stereo Decoder Softmute Influence = off
Stereo Decoder Softmute Influence = on
1 1 1 1 Must be "1"
Note: for more information to the Stereodecoder-Softmute-Influence please refer to the stereodecoder description.
Volume
MSB LSB ATTENUATION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
:
0
0
0
:
0
0
0
:
1
1
0
0
:
0
0
0
:
0
1
1
:
1
1
0
0
:
0
0
0
:
1
0
0
:
0
0
0
0
:
1
1
1
:
1
0
0
:
1
1
0
0
:
1
1
1
:
1
0
0
:
1
1
0
0
:
0
0
1
:
1
0
0
:
1
1
0
1
:
0
1
0
:
1
0
1
:
0
1
Gain/Attenuation
+32dB
+31dB
:
+20dB
+19dB
+18dB
:
+1dB
0dB
- 1dB
:
-78dB
-79dB
0
1
Softstep
Softstep Volume = off
Softstep Volume = on
Note: It is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by
software to the maximum value, which is needed for the system.
TDA7403
19/25
Obsolete Product(s) - Obsolete Product(s)
Bass & Treble Attenuation
MSB LSB BASS & TREBLE ATTENUATION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
:
0
0
1
1
:
1
1
0
0
:
1
1
1
1
:
0
0
0
0
:
1
1
1
1
:
0
0
0
1
:
0
1
1
0
:
1
0
Treble Steps
-14dB
-12dB
:
-2dB
0dB
0dB
+2dB
:
+12dB
+14dB
0
0
:
0
0
1
1
:
1
1
0
0
:
1
1
1
1
:
0
0
0
0
:
1
1
1
1
:
0
0
0
1
:
0
1
1
0
:
1
0
Bass Steps
-14dB
-12dB
:
-2dB
0dB
0dB
+2dB
:
+12dB
+14dB
For example 12dB Treble and -8dB Bass give the following DATA BYTE : 0 0 1 1 1 0 0 1.
Bass & Treble Filter Characteristics
MSB LSB BASS & TREBLE FILTER
D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
0
1
0
1
Treble
Center Frequency = 10 KHz
Center Frequency = 12.5 KHz
Center Frequency = 15 KHz
Center Frequency = 17.5 KHz
0
1
1
0
0
1
1
1
0
1
0
1
0
0
1
1
1
0
1
0
1
1
Bass
Center Frequency = 60 Hz
Center Frequency = 70 Hz
Center Frequency = 80 Hz
Center Frequency = 100Hz
Center Frequency = 150Hz
Quality factor = 1
Quality factor = 1.25
Quality factor = 1.5
Quality factor = 2
DC-Gain = 0dB
DC-Gain = ±4.4dB
1 must be "1"
For example Treble center frequency = 15kHz, Bass center frequency = 100Hz, Bass Q = 1 and DC = 0dB give the following DATA BYTE: 1
0 0 0 1 1 1 0
TDA7403
20/25
Obsolete Product(s) - Obsolete Product(s)
Speaker Attenuation (LF, LR, RF, RR)
MSB LSB
D7 D6 D5 D4 D3 D2 D1 D0
11
0
0
:
0
0
0
0
0
0
0
0
0
1
0
0
:
1
1
1
1
1
1
1
1
1
0
0
:
0
1
1
1
1
1
1
1
1
0
0
:
1
0
0
0
0
1
1
1
1
0
0
:
1
0
0
1
1
0
0
1
1
0
1
:
1
0
1
0
1
0
1
0
1
Attenuation
0dB
-1dB
:
-23dB
-24.5dB
-26dB
-28dB
-30
-32dB
-35dB
-40dB
-50dB
Speaker Mute
Must be "1" (except RR speaker; see below)
0
0
1
1
0
1
0
1
Blank Time adj.
(only at RR speaker)
38µs
25.5µs
32µs
22µs
Stereodecoder
MSB LSB FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
1
STD Unmuted
STD Muted
0
0
1
1
0
1
0
1
IN-Gain 11dB
IN-Gain 8.5dB
IN-Gain 6dB
IN-Gain 3.5dB
1 must be "1"
1
1
0
1
Forced MONO
MONO/STEREO switch automatically
0
1
Pilot Threshold HIGH
Pilot Threshold LOW
0
1
Deemphasis 50µs
Deemphasis 75µs
TDA7403
21/25
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25

TDA7403DTR

Mfr. #:
Buy TDA7403DTR
Manufacturer:
STMicroelectronics
Description:
Audio DSPs Basic Signal Process
Lifecycle:
New from this manufacturer.
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