參數(shù)資料
型號: TDA7222
廠商: 意法半導體
英文描述: 3V AM/FM ONE-CHIP RADIO
中文描述: 3V的調(diào)幅/調(diào)頻的單芯片無線電
文件頁數(shù): 1/7頁
文件大?。?/td> 289K
代理商: TDA7222
TDA7222A
TDA7222AD
3V AM/FM ONE-CHIP RADIO
February 1995
ADVANCE DATA
7
PINCONNECTIONS
SHRINK DIP24
(Plastic Package)
ORDER CODE :
TDA7222A
.
BUILT-IN FM F/E, AM/FMIF AND FM MPX
.
AM DETECTORCOILAND IF COUPLING CA-
PACITORARE NOT NEEDED
.
COMPACTPACKAGE: 24-PinShrink
.
OPERATINGSUPPLYVOLTAGERANGE
V
CC (opr)
= 1.8 to 7.0V (T
A
= 25
o
C)
.
LED DRIVE CIRCUIT FOR TUNING INDICA-
TION
This is advance informationon a newproduct now in developmentor undergoingevaluation. Detailsare subject to change without notice.
DESCRIPTION
TDA7222AandTDA7222ADareAM/FMchiptuner
ICs, whichare designedfor portableradiosand 3V
headphoneradios.
SO28
(Plastic Micropackage)
ORDER CODE :
TDA7222AD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
24
23
22
21
11
12
AM RF IN
FM RF OUT
V
FM OSC
AM OSC
DET OUT
MPX IN
LPF1
LPF2
VCO
L OUT
R OUT
FM RF IN
GND1
FM MIX
AM MIX
AGC
V
AM IF IN
FM IF IN
GND2
TUN LED
ST LED
QUAD
CC1
CC2
TDA7222A
(SDIP24)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
24
23
22
21
11
12
25
13
14
28
27
26
FM RF IN
GND1
FM MIX
NOT CONNECTED
NOT CONNECTED
AM MIX
AGC
AM IF IN
FM IF IN
GND2
TUNLED
ST LED
QUAD
NOT CONNECTED
NOT CONNECTED
VCO
L OUT
R OUT
LPF2
LPF1
MPX IN
DET OUT
AM OSC
FM OSC
AM RF IN
FM RF OUT
V
CC1
V
CC2
TDA7222AD
(SO28)
1/7
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