參數(shù)資料
型號: TDA7412
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 43/56頁
文件大?。?/td> 716K
代理商: TDA7412
TDA7412
48/56
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
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
1
1
0
1
0
1
Deemphasis 50s
(37.5s1)
Deemphasis 62.5s (46.9s1)
Deemphasis 75s
(56.3s1)
Deemphasis 100s (75s1)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Noiseblanker off
Noiseblanker on
0
1
1
0
1
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
1
1
0
1
0
1
Noise Controlled Threshold 320mV
Noise Controlled Threshold 260mV
Noise Controlled Threshold 200mV
Noise Controlled Threshold 140mV
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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