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TDA1220B View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
TDA1220B AM-FM QUALITY RADIO ST-Microelectronics
STMicroelectronics ST-Microelectronics
TDA1220B Datasheet PDF : 18 Pages
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TDA1220B
ELECTRICAL CHARACTERISTICS ( Tamb = 25 °C, Vs = 9V unless otherwise specified, refer to test circuit)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vs
Supply voltage
Id
Drain current
3
16
V
FM
10
15
mA
AM
14
20
mA
AM SECTION (fo = 1 MHz; fm = KHz)
Vi
Input sensitivity
S/N
Vi
AGC range
Vo Recovered audio signal
(pin 9)
S/N = 26 dB
Vi = 10 mV
Vout = 10 dB
Vi = 1 mV
m = 0.3
12
25
µV
m = 0.3
45
52
dB
m = 0.8
94
100
dB
m = 0.3
80
130
200
mV
d
Distortion
Vi = 1 mV
m = 0.3
m = 0.8
0.4
1
%
1.2
%
VH Max input signal handling m = 0.8
d < 10%
1
V
capability
Ri
Input resistance between m = 0
pins 2 and 4
7.5
K
Ci
Input capacitance between m = 0
pins 2 and 4
18
pF
Ro Output resistance (pin 9)
Tweet 2 IF
Tweet 3 IF
m = 0.3
4.5
7
9.5
K
40
dB
Vi = 1 mV
55
dB
FM SECTION (fo = 10.8 MHz; fm = 1 KHz)
Vi
Input limiting voltage
-3 dB limiting point
22
36
µV
AMR Amplitude modulation
f = ±22.5 KHz
m = 0.3
40
50
dB
rejection
Vi = 3 mV
S/N Ultimate quieting
f = ±22.5 KHz
Vi = 1 mV
55
65
dB
d
Distortion
f = ±75 KHz
Vi = 1 mV
0.7
1.5
%
d
Distortion
f = ±22.5 KHz
d
Distortion (double tuned)
Vi = 1 mV
0.25
0.5
%
0.1
%
Vo
Recovered audio signal
f = ±22.5 KHz
(pin 9)
Vi = 1 mV 80
110
140
mV
Ri
Input resistance between
pin 16 and ground
6.5
K
Ci Input capacitance between
pin 16 and ground
14
pF
Ro Output resistance (pin 9)
4.5
7
9.5
K
3/18
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