TDA7461N Datasheet, PDF (29/31 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7461N
Stereodecoder Adjustment
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Roll-Off Compensation
0
0
0 not allowed
0
0
1 20.2%
0
1
0 21.9%
:
:
::
1
0
0 25.5%
:
:
::
1
1
1 31.0%
0
0
0
0
0
0
0
1
0
0
1
0
:
:
:
:
1
1
1
1
LEVEL Gain
0dB
0.66dB
1.33dB
:
10dB
Temperature compensation at LEVEL inpu t
0
TC = 0
1
TC = 16.7mV/K (3300ppm)
Testing
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
Stereodecoder test signals
0 OFF
1 Test signals enabled if bit D5 of the subaddress
(test mode bit) is set to ”1”, too
0
External Clock
1
Internal Clock
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Testsignals at CASS_R
VHCCH
Level intern
Pilot magnitude
VCOCON; VCO Control Voltage
Pilot threshold
HOLDN
NB threshold
F228
VHCCL
VSBL
not used
not used
PEAK
not used
REF5V
not used
VCO
0
OFF
1
ON
Audioprocessor test mode
0
only if bit D5 of the subaddress
(test mode bit) is set to ”1”
1
OFF
Note : This byte is used fortesting or evaluation purposes only and must not be set to other values than the default ”11111110” in the application!
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