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TDA7222 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA7222
功能描述  3V AM/FM ONE-CHIP RADIO
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7222 数据表(HTML) 4 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued)
TA =25
oC, VCC = 3V
F/E
: f = 83MHz, fm = 1kHz
FM IF : f = 10.7MHz,
∆f= ± 22.5kHz, fm = 1kHz
AM
: f = 1MHz, MOD = 30%, fm = 1kHz
MPX
: fm = 1kHz
Symbol
Parameter
Test Condition s
Min.
Typ.
Max.
Unit
VL (ON)
MPX
Stereo Lamp (ON) Sensitivity
Pilot Input
26
mVRMS
VL (OFF)
Stereo Lamp (OFF) Sensitivity
2
mVRMS
VH
Stereo Lamp Hysteresis
3
mVRMS
C.R.
Capture Range
P = 15mVRMS
± 3
%
S/N
Signal to Noise Ratio
70
dB
COIL DATA
Coil
N
o
f
(Hz)
L
(
µH)
CO
(pF)
QO
Turns
Wire
Ref. *
1 - 2
2 - 3
1- 3
1-4
4- 6
L1
FM RF
100M
100
2
1
2
0.5
∅ UEW
S -53T-037-202
L2
FM OSC
100M
100
2
3
4
0.5
∅ UEW
S - 0258-24
L3
AM OSC
796k
238
115
13
73
0.08
∅ UEW
S - 4147-1356-038
T1
FM MIX
10.7M
75
100
13
2
0.1
∅ UEW
S - 2153-414-041
T2
AM MIX
455k
180
120
180
15
0.08
∅ UEW
S - 2150-2162-165
T3
FM DET
10.7M
47
165
16
0.09
∅ MUEW S - 2153-4095-122
* S : Sumida Electric CO, LTD.
3
2
1
4
3
2
1
4
6
6
3
2
1
4
66
4
3
2
1
L1, L2
L3
L4
T1
T3
T2
Pin 3
V
C.F.
Pin 4
C.F.
Pin 12
VCC
V
CC
CC
VCC
VCC
VCC
61
3
4
VCC
V.C.VCC
Pin 20
Pin 24
V.C.
TDA7222A - TDA7222AD
4/7



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