TDA7406T Datasheet, PDF (42/49 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7406T
Table 17. Stereodecoder (22)
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
FUNCTION
0 STD Unmuted
1 STD Muted
0
0
0
1
1
0
1
1
IN-Gain 11dB
IN-Gain 8.5dB
IN-Gain 6dB
IN-Gain 3.5dB
Stereodecoder Input
0
AM
1
MPX
0
Forced MONO
1
MONO/STEREO switch automatically
0
Pilot Threshold HIGH
1
Pilot Threshold LOW
0
0
0
1
1
0
1
1
De-emphasis 50µs (37.5µs¹)
De-emphasis 62.5µs (46.9µs¹)
De-emphasis 75µs (56.3µs¹)
De-emphasis 100µs (75µs¹)
1_{If De-emphasis-Shift enabled (Subaddr.26/Bit7 = 0)}
Table 18. Noiseblanker I (23)
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
FUNCTION
0 Noiseblanker off
1 Noiseblanker on
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
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
Over deviation Adjust 2.8V
Over deviation Adjust 2.0V
Over deviation Adjust 1.2V
Over deviation Detector OFF
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