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E-TDA7400DTR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
Configuration (subaddress DH)
MSB LSB FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
0
1
0
1
Noise Rectifier Discharge Resistor
R = infinite
R = 56k
Ω
R = 33k
Ω
R =18k
Ω
0
1
0
1
0
0
1
1
Multipath Detector Bandpass Gain
6dB
12dB
16dB
18dB
0
1
Multipath Detector internal influence
ON
OFF
0
1
Multipath Detector Charge Current 0.5
µ
A
Multipath Detector Charge Current 1
µ
A
0
0
1
1
0
1
0
1
Multipath Detector Reflection Gain
Gain = 7.6dB
Gain = 4.6dB
Gain = 0dB
disabled
Fieldstrength Control (subaddress CH)
MSB LSB FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
VSBL at 29% REF 5V
VSBL at 33% REF 5V
VSBL at 38% REF 5V
VSBL at 42% REF 5V
VSBL at 46% REF 5V
VSBL at 50% REF 5V
VSBL at 54% REF 5V
VSBL at 58% REF 5V
0
0
1
1
0
1
0
1
Noiseblanker Field strength Adj 2.3V
Noiseblanker Field strength Adj 1.8V
Noiseblanker Field strength Adj 1.3V
Noiseblanker Field strength Adj OFF
0
0
1
1
0
1
0
1
Quality Detector Coefficient a = 0.7
Quality Detector Coefficient a = 0.85
Quality Detector Coefficient a = 1.0
Quality Detector Coefficient a = 1.15
0
1
Multipath off influence on PEAK discharge
-1V/ms (at MPout = 2.5V
TDA7400D
25/28
Obsolete Product(s) - Obsolete Product(s)
Stereodecoder Adjustment (subaddress EH)
MSB LSB FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
:
1
:
1
0
0
1
:
0
:
1
0
1
0
:
0
:
1
Roll Off Compensation
not allowed
19.6%
21.5%
:
25.3%
:
31.0%
0
0
0
:
1
0
0
0
:
1
0
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
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
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
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!
TDA7400D
26/28
Obsolete Product(s) - Obsolete Product(s)
SO28
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 2.65 0.104
a1 0.1 0.3 0.004 0.012
b 0.35 0.49 0.014 0.019
b1 0.23 0.32 0.009 0.013
C 0.5 0.020
c1 45° (typ.)
D 17.7 18.1 0.697 0.713
E 10 10.65 0.394 0.419
e 1.27 0.050
e3 16.51 0.65
F 7.4 7.6 0.291 0.299
L 0.4 1.27 0.016 0.050
S8° (max.)
OUTLINE AND
MECHANICAL DATA
TDA7400D
27/28
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

E-TDA7400DTR

Mfr. #:
Buy E-TDA7400DTR
Manufacturer:
STMicroelectronics
Description:
IC PROCESSOR CAR SIGNAL 28SOIC
Lifecycle:
New from this manufacturer.
Delivery:
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