參數(shù)資料
型號(hào): TDA7405
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁(yè)數(shù): 50/57頁(yè)
文件大?。?/td> 750K
代理商: TDA7405
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7405
54/57
Table 37. Stereodecoder Configuration (30)
Note: 1. Using the Multipath Time-Constants for Stereo-Bland and High-Cut
Table 38. Testing Stereodecoder(31)
Note : This byte is used for testing or evaluation purposes only and must not set to other values than "11111100" in the application
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Multipath Influence on High-Cut
On
Off
0
1
Multipath Influence on Stereo-Blend
On
Off
0
1
1
x
1
x
Level-Input over Multipath-Detector1
On
Off
0
1
Dual MPX Mode
On
Off
0
1
Weak-Signal-Mute
on
off
0
1
WSMute Threshold
0.3 V
0.5V
0
1
1
0
1
0
1
WS-Mute-Depth
-20 dB
-24 dB
-28 dB
-32 dB
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Main Testmode
off
on
0
1
Stereodecoder Testmode
off
on
0
1
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Testsignals
F228
NB threshold
Level for Stereo-Blend
Pilot magnitude
VHCCL
Pilot threshold
VHCCH
REF5V
HOLDN
NB Peak
AM-Rectifier
VCOCON; VCO Control Voltage
VSBL
Pilot threshold
Level for High-Cut
REF5V
0
1
Audioprocessor Oscillator
Off
On
0
1
Disable Noiseblanker @ FS > 2.5V
On
Off
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