TDA8192 Datasheet, PDF (3/5 Pages) STMicroelectronics – MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV

TDA8192
ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 12V unless otherwise specified)
Symbol
Vs
I_d
Supply Voltage
Supply Current
Parameter
Test Conditions
V_i = 0
AM
FM
Min. Typ. Max. Unit
10.8 12 13.2 V
30
mA
30
mA
AM SECTION (fi = 39.2MHz, Vi = 1mV, m = 0.8, fm = 1kHz unless otherwise specified)
V_i
S+N
N
V_i
V_o
d
Input Sensitivity
Signal to Noise Ratio
AGC Range
Recovered Audio Signal
Distortion (1)
S/N = 26dB
35
Vi = 0.1mV m = 0.3
36
Vi = 1mV
50
Vi = 10mV
50 56
∆V_OUT = – 1 to + 1dB
66
0.6 1 1.5
3
d
Distortion (2)
3
Ri
Input Resistance between Pins 1 and 2
m= 0
2
C_i
Input Capacitance between Pins 1 and 2
m= 0
18
FM SECTION (fi = 5.5MHz, Vi = 1mV, ∆f = ± 50KHz, fm = 1kHz, unless otherwise specified) (continued)
Vi
Input Limiting Voltage
– 3dB Limiting Point
30
AMR
S+N
N
Amplitude Modulation
Signal to Noise Ratio
V_i = 30mV, m = 0.3
V_i = 1mV
55
60
d
Distortion (3)
1.5
d
Distortion (4)
2
Vo Recovered Audio Signal
Ri
Input Resistance
C_i
Input Capacitance
∆f = 0
∆f = 0
0.5 1 1.5
2
14
C_T Crosstalk AM/FM
70
AM/FM AND MUTE SWITCHING
µV
dB
dB
V_RMS
%
%
kΩ
pF
µV
dB
dB
%
%
VRMS
kΩ
pF
dB
FM ”on” (pin. 4)
AM ”on” (pin 4)
Mute ”on” (pin 15)
Mute ”off” (pin 15)
Signal Attenuation for Mute ”off”
Mute Switch Current
AM/FM Switch Current
2.5
VS
V
0
0.8 V
0
1
V
5
VS
V
70
dB
110 µA
50
250 µA
SCART SWITCHING
Mode Selection Voltage : TV Selected (pin. 13)
Mode Selection Voltage : Scart Selected (pin 13)
Scart Switch Input Resistance
Scart Audio Input Amplitude (pin 12)
Crosstalk Between Switched Inputs (TV scart)
0
5
V
8
12 V
10
kΩ
0.5
2
Vrms
80
dB
DC VOLUME CONTROL
Audio Output Impedance (pin 10)
Control Range
Output/input Gain for Maximum Gain Control
Gain Control Voltage
Noise Level (DIN 45405)
1 kΩ
90
dB
0
dB
0.5
4.5 V
25
µVrms
(1)
50% volume setting, Vi = 1mV
(2)
50% volume setting, Vi = 10mV
(3)
Vi = 1mV, fm = 100 to 10.000Hz
(4)
Vi = 1mV, ± 20KHz offset (detuning of phase shift filter).
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