參數(shù)資料
型號(hào): 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(yè)數(shù): 19/28頁(yè)
文件大?。?/td> 274K
代理商: TDA7400
Stereodecoder Adjustment (subaddress EH)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
:
1
:
1
0
1
:
0
:
1
0
1
0
:
0
:
1
Roll Off Compensation
not allowed
19.6%
21.5%
:
25.3%
:
31.0%
0
:
1
0
:
1
0
1
:
1
0
1
0
:
1
Level Gain
0dB
0.66dB
1.33dB
:
10dB
1
must be "1"
Testing (subaddress FH)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
Stereodecoder test signals
OFF
Test signals enabled if bit D5 of the subaddress
(test mode bit) is set to "1", too
0
1
External Clock
Internal Clock
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Testsignals at CASS_R
VHCCH
Level intern
Pilot magnitude
VCOCON; VCO Control Voltage
Pilot threshold
HOLDN
NB threshold
F228
VHCCL
VSBL
not used
PEAK
not used
REF5V
not used
0
1
VCO
OFF
ON
0
1
Audioprocessor test mode
enabled if bit D5 of the subaddress
(test mode bit) is set to "1"
OFF
Note : This byte is used for testing or evaluation purposes only and must not be set to other values than the default "11111110" in the application!
TDA7400
26/28
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