參數(shù)資料
型號: TDA7400
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, TQFP-44
文件頁數(shù): 16/28頁
文件大小: 274K
代理商: TDA7400
Stereodecoder (subaddress 9H)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
STD Unmuted
STD Muted
0
1
0
1
0
1
In Gain 11dB
In Gain 8.5dB
In Gain 6dB
In Gain 3.5dB
1
must be "1"
0
1
Forced Mono
Mono/Stereo switch automatically
0
1
Noiseblanker PEAK charge current low
Noiseblanker PEAK charge current high
0
1
Pilot Threshold HIGH
Pilot Threshold LOW
0
1
Deemphasis 50
s
Deemphasis 75
s
Soft Mute and Bass Programming (subaddress 8H)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
1
0
1
0
1
Mute
Enable Soft Mute
Disable Soft Mute
Mutetime = 0.48ms
Mutetime = 0.96ms
Mutetime = 40.4ms
Mutetime = 324ms
Stereodecoder Soft Mute Influence = on
Stereodecoder Soft Mute Influence = off
0
1
0
1
0
1
Bass Center Frequency
Center Frequency = 60 Hz
Center Frequency = 70 Hz
Center Frequency = 80 Hz
Center Frequency = 100Hz
Center Frequency = 150Hz
0
1
0
1
0
1
Noise Blanker Time
38
s
25.5
s
32
s
22
s
1 Only for Bass Q-Factor = 2.0
TDA7400
23/28
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