TDA7460ND
5
Stereo decoder part
Stereo decoder part
5.1
Stereo decoder feature
● 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
● High cut and stereo blend characteristics programmable in a wide range
t(s) ● Internal noise blanker with threshold controls
● Multipath detector with programmable internal/external influence
uc ● I2C bus control of all necessary functions
Prod 5.2
Stereo decoder electrical characteristics
lete Table 8.
bso Symbol
.
Stereo decoder electrical characteristics
(VS = 9 V; de-emphasis time constant = 50 μs, VMPX = 500 mV, 75 kHz deviation,
f = 1 kHz. GI = 6 dB, Tamb = 25 °C; unless otherwise specified)
Parameter
Test condition
Min. Typ. Max.
- O VIN
t(s) Rin
c Gmin
du Gmax
ro GSTEP
P SVRR
te a
le THD
MPX input level
Input resistance
Minimum input gain
Max input gain
Step resolution
Supply voltage ripple rejection
Max channel separation
Total harmonic distortion
Input gain = 3.5 dB
Vripple = 100 mv, f = 1 kHz
0.5 1.25
70 100 130
1.5 3.5 4.5
8.5
11 12.5
1.75 2.5 3.25
55
30
50
0.02 0.3
bso S------+-----N---
ON
Signal plus noise to noise ratio
S = 2 Vrms
80
91
Unit
VRMS
kΩ
dB
dB
dB
dB
dB
%
dB
Mono/stereo switch
VPTHST1
VPTHST0
VPTHMO1
VPTHMO0
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
PLL
Δf/f Capture range
for stereo, PTH = 1
for stereo, PTH = 0
for mono, PTH = 1
for stereo, PTH = 0
10
15
25
mV
15
25
35
mV
7
12
17
mV
10
19
25
mV
0.5
%
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