参数资料
型号: TDA7407
厂商: STMICROELECTRONICS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封装: 10 X 10 MM, 1.40 MM HEIGHT, LQFP-44
文件页数: 32/46页
文件大小: 692K
代理商: TDA7407
Obsolete
Product(s)
- Obsolete
Product(s)
Data byte specification
TDA7407
1 Only for Bass Q-Factor = 2.0
Table 17.
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
Stereo decoder Soft Mute Influence = on
Stereo decoder 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
38ms
25.5ms
32ms
22ms
Table 18.
Stereo decoder (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
0
1
Stereo decoder = on
Stereo decoder = off
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
De-emphasis 50
μs
De-emphasis 75
μs
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