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TDA7227

ST Microelectronics
Part Number TDA7227
Manufacturer ST Microelectronics
Description SINGLE-CHIP AM/FM RADIO
Published Apr 23, 2005
Detailed Description TDA7227 SINGLE-CHIP AM/FM RADIO WITH FRONT-END . . . . ADVANCE DATA BUILT-IN FM F/E AND AM/FM IF AM DETECTOR COIL AND...
Datasheet PDF File TDA7227 PDF File

TDA7227
TDA7227

Overview
TDA7227 SINGLE-CHIP AM/FM RADIO WITH FRONT-END .
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ADVANCE DATA BUILT-IN FM F/E AND AM/FM IF AM DETECTOR COIL AND IF COUPLING CAPACITOR ARE NOT NECESSARY WIDE OPERATING VOLTAGE RANGE (1.
8 - 7V) LED DRIVE CIRCUIT FOR TUNING INDICATOR DIP18 (Plastic Package) ORDER CODE : TDA7227 DESCRIPTION TDA7227 is a mono AM/FM one chip tuner ICs which is designed for portable radios, clock radios and radio cassette recorders.
PIN CONNECTIONS FM RF IN GND1 FM MIXER AM MIXER VCC2 FM IF IN GND2 TUN LED AM IF IN 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 AM RF IN FM RF OUT V CC1 FM OSC AM OSC DET OUT BAND S/W AGC QUAD DET 7227-01.
EPS December 1992 1/5 This is advance info rmation on a new product now in development or undergoing evaluation.
Details are subject to change without notice.
TDA7227 BLOCK DIAGRAM AM RF IN 18 17 FM RF OUT V CC1 16 FM OSC 15 14 AM OSC DET OUT 13 BAND S/W AGC QUAD DET 12 11 10 FM OSC AM OSC AF AMP BAND S/W AGC FM DET LIMITER AM DET FM MI X AM MIX TUN LED FM RF FM IF AM IF 1 FM RF IN 2 GND1 3 FM MIX 4 AM MIX 5 V CC2 6 FM IF IN 7 GND2 8 9 TUN LED AM IF IN BFP 7227 -02.
EPS ABSOLUTE MAXIMUM RATINGS Symbol VS ILED V LED T oper T stg Supply Voltage LED Curre nt Led Voltage Operating Tem pera ture Storage Temperature o Parameter Value 9 10 10 - 25 to 75 -55 to 150 Unit V mA V o o C C RECOMMENDED OPERATING CONDITION AT TA = 25 C Symbol VS T oper Supply Voltage Operating Tem pera ture Parameter Value 1.
8 to 7 - 20 to 60 Unit V o C 2/5 7227-02.
TBL 7227-01.
TBL TDA7227 ELECTRICAL CHARACTERISTICS o T A = 25 C, VCC = 3V F/E : f = 100MHz, fm = 1kHz FM IF : f = 10.
7MHz, f = + 22.
5kHz, fm = 1kHz AM : f = 1MHz, m = 30%, fm = 1kHz Symbol VS ICC V IN (lim) FM SECTION V IN (lim) VO S/N THD AMR AM SECTION GV VO S/N THD RO Gain Recovered Output Voltage Signal to Noise Ratio Total Harmonic Distorsion Pin 12 Output Resistance V IN = 26dBµ V IN = 60dBµ V IN = 60dBµ V IN = 60dBµ FM mode AM mode 40 60 44 1.
0 5 5 mV mV...


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