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TDA7222AD Datasheet

  • TDA7222AD

  • 3V AM/FM ONE-CHIP RADIO

  • 292.29KB

  • 7頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7222A
TDA7222AD
3V AM/FM ONE-CHIP RADIO
.
.
.
.
.
ADVANCE DATA
BUILT-IN FM F/E, AM/FM IF AND FM MPX
AM DETECTOR COIL AND IF COUPLING CA-
PACITOR ARE NOT NEEDED
COMPACT PACKAGE : 24-Pin Shrink
OPERATING SUPPLY VOLTAGE RANGE
V
CC (opr)
= 1.8 to 7.0V (T
A
= 25
o
C)
LED DRIVE CIRCUIT FOR TUNING INDICA-
TION
SHRINK DIP24
(Plastic Package)
ORDER CODE :
TDA7222A
DESCRIPTION
TDA7222Aand TDA7222AD are AM/FM chip tuner
ICs, which are designed for portable radios and 3V
headphone radios.
PIN CONNECTIONS
TDA7222A
(SDIP24)
SO28
(Plastic Micropackage)
ORDER CODE :
TDA7222AD
TDA7222AD
(SO28)
FM RF IN
GND1
FM MIX
AM MIX
AGC
V
CC2
AM IF IN
FM IF IN
GND2
TUN LED
ST LED
QUAD
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AM RF IN
FM RF OUT
V
CC1
FM OSC
AM OSC
DET OUT
MPX IN
LPF1
LPF2
VCO
L OUT
R OUT
FM RF IN
GND1
FM MIX
NOT CONNECTED
AM MIX
AGC
V
CC2
AM IF IN
FM IF IN
NOT CONNECTED
GND2
TUN LED
ST LED
QUAD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AM RF IN
FM RF OUT
V
CC1
FM OSC
NOT CONNECTED
AM OSC
DET OUT
MPX IN
LPF1
LPF2
NOT CONNECTED
VCO
L OUT
R OUT
7222A-01.EPS / 7222AD01.EPS
February 1995
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
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