參數(shù)資料
型號: TDA7222A
廠商: 意法半導體
英文描述: 3V AM/FM ONE-CHIP RADIO
中文描述: 3V的調幅/調頻的單芯片無線電
文件頁數(shù): 4/7頁
文件大小: 289K
代理商: TDA7222A
ELECTRICALCHARACTERISTICS
(unlessotherwisespecified) (continued)
T
A
= 25
o
C, V
CC
= 3V
F/E
: f = 83MHz, f
m
= 1kHz
FM IF : f = 10.7MHz,
f =
±
22.5kHz,f
m
= 1kHz
AM
: f = 1MHz, MOD = 30%, f
m
= 1kHz
MPX
: f
m
= 1kHz
Symbol
V
L
(ON)
V
L
(OFF)
V
H
C.R.
S/N
Parameter
Test Conditions
Min.
2
Typ.
6
2
3
±
3
70
Max.
Unit
mV
RMS
mV
RMS
mV
RMS
%
dB
MPX
Stereo Lamp (ON) Sensitivity
Stereo Lamp (OFF) Sensitivity
Stereo Lamp Hysteresis
Capture Range
Signal to Noise Ratio
Pilot Input
P = 15mV
RMS
7
COIL DATA
Coil
N
o
f
(Hz)
L
(
μ
H)
C
(pF)
Q
O
Turns
1 - 3
Wire
Ref. *
1 - 2
2 - 3
1-4
21
4 - 6
L
1
FM RF
100M
100
2
0.5
UEW
S -53T-037-202
L
2
FM OSC
100M
100
23
4
0.5
UEW
S - 0258-24
L
3
T
1
T
2
T
3
AM OSC
FM MIX
AM MIX
FM DET
796k
10.7M
455k
10.7M
238
115
100
120
165
13
73
0.08
UEW
0.1
UEW
0.08
UEW
0.09
MUEW
S -4147-1356-038
S -2153-414-041
S -2150-2162-165
S -2153-4095-122
75
180
47
13
180
16
2
15
* S : Sumida Electric CO, LTD.
7
3
2
1
4
3
2
1
4
6
6
3
2
1
4
6
6
4
3
2
1
L1, L2
L3
L4
T1
T3
T2
Pin 3
V
C.F.
Pin4
C.F.
Pin 12
V
CC
V
CC
CC
V
CC
V
CC
V
CC
6
1
3
4
V
CC
V.C.V
CC
Pin20
Pin 24
V.C.
7
TDA7222A - TDA7222AD
4/7
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