TDA7402 Datasheet, PDF (51/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

9.6.17Stereodecoder (22)
MSB
LSB
D₇
D₆ D₅ D₄ D₃ D₂ D₁ D₀
0 STD Unmuted
1 STD Muted
FUNCTION
00
01
10
11
IN-Gain 11 dB
IN-Gain 8.5 dB
IN-Gain 6 dB
IN-Gain 3.5 dB
0
Input AM-Pin
1
Input MPX-Pin
0
Forced MONO
1
MONO/STEREO switch automatically
0
Pilot Threshold HIGH
1
Pilot Threshold LOW
0
0
0
1
1
0
1
1
Deemphasis 50µs (37.5µs¹)
Deemphasis 62.5µs (46.9µs¹)
Deemphasis 75µs (56.3µs¹)
Deemphasis 100µs (75µs¹)
Notes: 1. If Deemphasis-Shift enabled (Subaddr.26/Bit7 = 0)
9.6.18Noiseblanker I (23)
MSB
LSB
D₇
D₆ D₅ D₄ D₃ D₂ D₁ D₀
FUNCTION
0 Noiseblanker off
1 Noiseblanker on
000
001
010
011
100
101
110
111
Low Threshold 65mV
Low Threshold 60mV
Low Threshold 55mV
Low Threshold 50mV
Low Threshold 45mV
Low Threshold 40mV
Low Threshold 35mV
Low Threshold 30mV
0
0
0
1
1
0
1
1
Noise Controlled Threshold 320mV
Noise Controlled Threshold 260mV
Noise Controlled Threshold 200mV
Noise Controlled Threshold 140mV
0
0
0
1
1
0
1
1
Overdeviation Adjust 2.8V
Overdeviation Adjust 2.0V
Overdeviation Adjust 1.2V
Overdeviation Detector OFF
TDA7402
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