TDA7220 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
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Fabricante
TDA7220 Datasheet PDF : 16 Pages
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TDA7220
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VS = 3V, unless specified, refer to Test Circuit)
Symbol
ID
Drain Current
Parameter
Test Conditions
AM Section
FM Section
Min. Typ. Max. Unit
11 18 mA
10 15 mA
AM SECTION (fO = 1MHz, fm = 1kHz)
VI
Input Sensitivity
S/N = 26dB, m = 0.3
12 25 µV
S/N Signal to Noise
∆VI AGC Range
VO Recovered Audio Signal (Pin 9)
d
Distortion
VI = 1mV, m = 0.3
∆VOUT = 10dB, m = 0.8
VI = 1mV, m = 0.3
40 50
dB
90
dB
40 80 110 mV
0.6
%
VH Max. Input Signal Handling Capability
RI
Input Resistance between Pins 2 and 4
CI
Input Capacitance between Pins 2 and 4
RO Output Resistance (Pin 9)
Tweet 2 IF
m = 0.8, d < 10%
m=0
m=0
VI = 1mV, m = 0.3
0.5
V
7.5
kΩ
18
pF
4.5
kΩ
40
dB
Tweet 3 IF
VI = 1mV, m = 0.3
55
dB
FM SECTION (fO = 10.7MHz, fm = 1kHz)
VI
AMR
Input Limiting Voltage
Amplitude Modulation Rejection
- 3dB limiting point
∆f = ± 22.5kHz, VI = 3mV,
m=3
33 80 µV
40
dB
S/N Signal to Noise
d
Distortion
∆f = ± 22.5kHz, VI = 1mV
∆f = ± 22.5kHz, VI = 1mV
∆f = ± 75kHz
50 65
dB
0.3
%
1.1 1.5 %
VO Recovered Audio SIgnal (Pin 9)
∆f = ± 22.5kHz, VI = 1mV 40 70 90 mV
RI
Input Resistance between Pin 16 and Ground
6.5
kΩ
CI
Input Capacitance between Pin 16 and Ground
14
pF
RO Output Resistance (Pin 9)
4.5
kΩ
3/16
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