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TDA7402 数据表(PDF) 51 Page - STMicroelectronics

部件名 TDA7402
功能描述  CARRADIO SIGNAL PROCESSOR
PDF  59 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7402 数据表(HTML) 51 Page - STMicroelectronics

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TDA7402
9.6.17Stereodecoder (22)
Notes: 1. If Deemphasis-Shift enabled (Subaddr.26/Bit7 = 0)
9.6.18Noiseblanker I (23)
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 11 dB
IN-Gain 8.5 dB
IN-Gain 6 dB
IN-Gain 3.5 dB
0
1
Input AM-Pin
Input MPX-Pin
0
1
Forced MONO
MONO/STEREO switch automatically
0
1
Pilot Threshold HIGH
Pilot Threshold LOW
0
0
1
1
0
1
0
1
Deemphasis 50
µs (37.5µs1)
Deemphasis 62.5
µs (46.9µs1)
Deemphasis 75
µs (56.3µs1)
Deemphasis 100
µs(75µs1)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Noiseblanker off
Noiseblanker on
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
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
1
1
0
1
0
1
Noise Controlled Threshold 320mV
Noise Controlled Threshold 260mV
Noise Controlled Threshold 200mV
Noise Controlled Threshold 140mV
0
0
1
1
0
1
0
1
Overdeviation Adjust 2.8V
Overdeviation Adjust 2.0V
Overdeviation Adjust 1.2V
Overdeviation Detector OFF



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