TDA7402 STMicroelectronics, TDA7402 Datasheet - Page 31

• Manufacturer Part Number: TDA7402
• Description: IC PROCESSOR CAR SIGNAL 44-LQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7402

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Case: QFP
• Dc: 05+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7402
4
4.1
4.2
Table 7.
Mono/Stereo-switch
PLL
V
V
V
V
Symbol
SVRR
PTHMO1
PTHMO0
PTHST1
PTHST0
G
G
G
THD
R
Δf/f
V
S + N
max
step
a
min
in
in
N
MPX input level
Input resistance
Min. input gain
Max. input gain
Step resolution
Supply voltage ripple rejection
Max. channel separation
Total harmonic distortion
Signal plus noise to noise ratio
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
Capture range
Stereo decoder part
Stereo decoder part features
●
●
●
●
●
●
●
●
●
●
Stereo decoder electrical characteristics
V
deviation), modulation frequency = 1kHz, input gain = 6dB, T
specified.
Stereo decoder electrical characteristics
S
= 9V, de-emphasis time constant = 50µs, MPX input voltage V
No external components necessary
PLL with adjustment free, fully integrated VCO
Automatic pilot dependent MONO/STEREO switching
Very high suppression of intermodulation and interference
Programmable roll off compensation
Dedicated RDS-Soft Mute
Highcut and stereo blend-characteristics programmable in a wide range
FM/AM noiseblanker with several threshold controls
Multipath-detector with programmable internal/external influence
I
2
C-bus control of all necessary functions
Parameter
Input gain = 3.5dB
V
f
A-weighted, S = 2V
for stereo, PTH = 1
for stereo, PTH = 0
for mono, PTH = 1
for mono, PTH = 0
in
ripple
=1kHz, mono
Test condition
= 100mV, f = 1kHz
rms
amb
Min.
1.75
1.5
8.5
0.5
70
30
80
10
15
10
7
= 27°C, unless otherwise
MPX
Typ.
0.02
100
= 500mV (75kHz
0.5
3.5
2.5
Stereo decoder part
55
12
11
50
91
15
25
19
Max.
1.25
12.5
3.25
130
4.5
0.3
25
35
17
25
V
Unit
mV
mV
mV
mV
kΩ
dB
dB
dB
dB
dB
dB
31/69
%
%
rms