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PDF TDA7222 Data sheet ( Hoja de datos )
| Número de pieza | TDA7222 | |
| Descripción | 3V AM/FM ONE-CHIP RADIO | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7222A
TDA7222AD
. 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
VCC (opr) = 1.8 to 7.0V (TA = 25oC)
. LED DRIVE CIRCUIT FOR TUNING INDICA-
TION
3V AM/FM ONE-CHIP RADIO
ADVANCE DATA
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
VCC2
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 AM RF IN
23 FM RF OUT
22 VCC1
21 FM OSC
20 AM OSC
19 DET OUT
18 MPX IN
17 LPF1
16 LPF2
15 VCO
14 L OUT
13 R OUT
FM RF IN
GND1
FM MIX
NOT CONNECTED
AM MIX
AGC
VCC2
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 AM RF IN
27 FM RF OUT
26 VCC1
25 FM OSC
24 NOT CONNECTED
23 AM OSC
22 DET OUT
21 MPX IN
20 LPF1
19 LPF2
18 NOT CONNECTED
17 VCO
16 L OUT
15 R OUT
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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1 page  
APPLICATION CIRCUIT
TDA7222A - TDA7222AD
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TDA7222.PDF ] | |
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