參數(shù)資料
型號: TDA7220D
廠商: 意法半導體
英文描述: VERY LOW VOLTAGE AM-FM RADIO
中文描述: 極低電壓上午,調頻收音機
文件頁數(shù): 3/16頁
文件大?。?/td> 381K
代理商: TDA7220D
ELECTRICAL CHARACTERISTICS
(T
amb
= 25
o
C, V
S
=
3V,unless specified, refer to Test Circuit)
Symbol
I
D
Parameter
Test Conditions
AM Section
FM Section
Min.
Typ.
11
10
Max.
18
15
Unit
mA
mA
Drain Current
AM SECTION (f
O
= 1MHz, f
m
= 1kHz)
VI
S/N
V
I
V
O
d
V
H
R
I
C
I
R
O
Input Sensitivity
Signal to Noise
AGC Range
Recovered Audio Signal (Pin 9)
Distortion
Max. Input Signal Handling Capability
Input Resistance between Pins 2 and 4
Input Capacitance between Pins 2 and 4
Output Resistance (Pin 9)
Tweet 2 IF
Tweet 3 IF
S/N = 26dB, m = 0.3
V
I
= 1mV, m = 0.3
V
OUT
= 10dB, m = 0.8
V
I
= 1mV, m = 0.3
12
50
25
μ
V
dB
dB
mV
%
V
k
pF
k
dB
dB
40
90
40
80
0.6
110
m = 0.8,d < 10%
m = 0
m = 0
0.5
7.5
18
4.5
40
55
V
I
= 1mV, m = 0.3
V
I
= 1mV, m = 0.3
FM SECTION (f
O
= 10.7MHz, f
m
= 1kHz)
V
I
Input Limiting Voltage
Amplitude Modulation Rejection
- 3dB limiting point
f =
±
22.5kHz, V
I
= 3mV,
m = 3
f =
±
22.5kHz, V
I
= 1mV
f =
±
22.5kHz, V
I
= 1mV
f =
±
75kHz
f =
±
22.5kHz, V
I
= 1mV
33
40
80
μ
V
dB
AMR
S/N
d
Signal to Noise
Distortion
50
65
0.3
1.1
70
6.5
14
4.5
dB
%
%
mV
k
pF
k
1.5
90
V
O
R
I
C
I
R
O
Recovered Audio SIgnal (Pin 9)
Input Resistance between Pin 16 and Ground
Input Capacitance between Pin 16 and Ground
Output Resistance (Pin 9)
40
TDA7220
3/16
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