TDA7220
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VS = 1.6V, unless specified, refer to Test Circuit)
Symbol
ID
Drain Current
Parameter
Test Conditions
AM Section
FM Section
Min. Typ. Max. Unit
8 15 mA
7 13 mA
AM SECTION (fO = 1MHz, fm = 1kHz)
VI
Input Sensitivity
S/N Signal to Noise
∆VI AGC Range
VO Recovered Audio Signal (Pin 9)
d
Distortion
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
Tweet 3 IF
S/N = 26dB, m = 0.3
VI = 1mV, m = 0.3
∆VOUT = 10dB, m = 0.8
VI = 1mV, m = 0.3
m = 0.8, d < 10%
m=0
m=0
VI = 1mV, m = 0.3
15 25 µV
40 48
dB
90
dB
40 75
mV
0.5
%
0.5
V
7.5
kΩ
18
pF
4.5
kΩ
40
dB
55
dB
FM SECTION (fO = 10.7MHz, fm = 1kHz)
VI
Input Limiting Voltage
AMR Amplitude Modulation Rejection
S/N Signal to Noise
d
Distortion
VO Recovered Audio SIgnal (Pin 9)
RI
Input Resistance between Pin 16 and Ground
CI
Input Capacitance between Pin 16 and Ground
RO Output Resistance (Pin 9)
- 3dB limiting point
∆f = ± 22.5kHz, VI = 3mV,
m=3
∆f = ± 22.5kHz, VI = 1mV
∆f = ± 22.5kHz, VI = 1mV
∆f = ± 22.5kHz, VI = 1mV
50
µV
34
dB
55
dB
0.6
%
55
mV
6.5
kΩ
14
pF
4.5
kΩ
4/16