TDA7513T_07 Datasheet, PDF (22/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

Electrical characteristcs
TDA7513T
Note:
Table 24. Audio processor (continued)
(VS = 8V; Tamb = 25°C; RL = 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
d
Distortion (QDin)
VIN = 1VRMS; all stages
0dB
VIN = 1VRMS; Bass &
Treble = 12dB
0.012 0.1 %
0.05 0.1 %
SC
Channel separation Left/Right
(QDin)
80
dB
ET Total Tracking Error
AV = 0 to -20dB
AV = -20 to -60dB
-1
0
1 dB
-2
0
2 dB
Bus inputs
VIL Input Low Voltage
VIH Input High Voltage
IIN Input Current
VIN = 0.4V
0.8 V
2.5
V
-5
5 μA
VO
Output Voltage SDA
Acknowledge
I_O = 1.6mA
0.4 V
1. See note in programming part
The SM pin is active low (Mute = 0)
2.4
Stereo decoder
Table 25. Stereo decoder
(Vcc = 8V; deemphasis time constant = 50µs, VMPX = 305mVrms (75kHz deviation), fm=
1kHz, Gv = 4dB, Tamb = 27°C; unless otherwise specified)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Rin
Input
Resistance
FM
AM
70 100 130 kΩ
1.4 2 2.6
kΩ
min
GV
Stereo decoder
input gain
0.5
dB
2.25
dB
4.0
dB
max
5.75
dB
SVRR
Supply Voltage Ripple
Rejection
Vripple = 100mV; f =
1KHz
35 60
dB
a
Max. channel Separation
30 45
dB
THD Total Harmonic Distortion
0.02 0.3
%
(S+N)/N
Signal plus Noise to Noise
Ratio
A-weighted, S = 2Vrms
@ APout
80
91
dB
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