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 CAPACITOR 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 INDICATION 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. SO28 (Plastic Micropackage) ORDER CODE : TDA7222AD PIN CONNECTIONS FM RF IN GND1 1 2 24 23 TDA7222AD (SO28) AM RF IN FM RF OUT FM MIX 3 22 V CC1 AM MIX 4 21 FM OSC AGC 5 20 AM OSC VCC2 6 19 DET OUT AM IF IN 7 18 FM IF IN 8 GND2 9 28 AM RF IN FM RF OUT GND1 2 27 FM MIX 3 26 VCC1 NOT CONNECTED 4 25 FM OSC AM MIX 5 24 NOT CONNECTED AGC 6 23 AM OSC 7 22 DET OUT MPX IN AM IF IN 8 21 MPX IN 17 LPF1 FM IF IN 9 20 LPF1 16 LPF2 NOT CONNECTED 10 19 LPF2 GND2 11 18 NOT CONNECTED TUN LED 12 17 VCO ST LED 13 16 L OUT QUAD 14 15 R OUT 10 15 VCO ST LED 11 14 L OUT 12 1 VCC2 TUN LED QUAD FM RF IN 13 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. 1/7 7222A-01.EPS / 7222AD01.EPS TDA7222A (SDIP24) 2/7 7222A-02.EPS BFP 2 1 FM RF IN GND1 FM RF 3 5 AM DET AM AF AGC AGC AM OSC AM OSC 20 4 AM MIX AM MIX FM OSC FM OSC 21 FM MIX FM MIX AM RF IN FM RF OUT VCC1 24 23 22 6 VCC2 AM IF FM AF DET OUT 19 7 AM IF IN PRE Φ FM IF LPF1 17 8 FM IF IN LEVEL DET AM/FM SW MPX IN 18 VCO Stop 9 GND2 Φ LPF2 16 AM F.F VCO VCO 15 10 TUN LED TUN LED FM FM DET SW DECODE 13 R OUT 11 12 ST LED QUAD ST LED HYS 14 L OUT VCC TDA7222A - TDA7222AD BLOCK DIAGRAM TDA7222A - TDA7222AD Parameter Supply Voltage LED Current LED Voltage Operating Temperature Storage Temperature Value 9 10 10 -20, +70 -55, +150 Unit V mA V o C o C 7222A-01.TBL Symbol VS ILED VLED Toper Tstg Value 1.8 to 7 0, +70 Unit V o C 7222A-02.TBL ABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONS Symbol VS Toper Parameter Supply Voltage Operating Temperature ELECTRICAL CHARACTERISTICS (unless otherwise specified) F/E : f = 83MHz, fm = 1kHz TA = 25oC, VCC = 3V FM IF : f = 10.7MHz, ∆f = ± 22.5kHz, fm = 1kHz AM : f = 1MHz, MOD = 30%, fm = 1kHz MPX : fm = 1kHz Symbol ICC (FM) ICC (AM) VIN (lim) VOSC VIN (lim) IF Parameter THD Local OSC Voltage Input Limiting Voltage fOSC = 72.3MHz - 3dB limiting Recovered Output Voltage VIN = 80dBµ Signal to Noise Ratio VIN = 80dBµ 70 Total Harmonic Distortion VIN = 80dBµ 0.4 % AM Rejection Ratio dB Supply Current F/E VOD S/N Input Limiting Voltage Test Conditions VIN = 0, FM mode VIN = 0, AM mode - 3dB limiting FM IF AMR Min. Typ. 13.2 8.4 10.0 Max. 20 13.5 Unit mA mA dBµ mVRMS 40 105 46 53 dBµ 55 80 110 mVRMS dB VL Lamp ON Sensitivity VIN = 80dBµ IL = 1mA 45 32 51 56 dBµ GV Gain VIN = 26dBµ 40 70 110 mVRMS Recovered Output Voltage VIN = 60dBµ 55 VIN = 60dBµ 80 42 110 Signal to Noise Ratio mVRMS dB Total Harmonic Distortion VIN = 60dBµ IL = 1mA 30 dBµ S/N AM THD VL R19 Lamp ON Sensitivity RIN VIN (Max.) Stereo Sep THD Monaural THD Stereo GV (MPX) C.B. FM mode AM mode Pin 19 Output Resistance R OUT 1.0 25 % 0.75 12.75 kΩ kΩ Input Resistance 24 kΩ Output Resistance 5 kΩ 350 mVRMS 32 32 32 dB dB dB 0.2 % 0.2 % Max. Composite Signal Input Voltage MPX 20 Separation fm = 100Hz fm = 1kHz fm = 10kHz Total Harmonic Distortion (monaural) Total Harmonic Distortion (stereo) Voltage Gain Channel Balance L + R = 90%, P = 10% fm = 1kHz, THD = 3% L + R = 135mVRMS P = 15mVRMS 25 VIN = 150mVRMS L + R = 135mVRMS P = 15mVRMS VIN = 150mVRMS VIN = 150mVRMS -5 -2 -3 0 -1 2 7222A-03.TBL VOD dB dB 3/7 TDA7222A - TDA7222AD Symbol VL (ON) VL (OFF) VH C.R. MPX S/N Parameter Stereo Lamp (ON) Sensitivity Stereo Lamp (OFF) Sensitivity Stereo Lamp Hysteresis Capture Range Test Condition s Min. 2 Pilot Input Typ. 6 2 3 Max. ±3 70 P = 15mVRMS Signal to Noise Ratio Unit mVRMS mVRMS mVRMS % dB 7222A-04.TBL ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued) F/E : f = 83MHz, fm = 1kHz TA = 25oC, VCC = 3V FM IF : f = 10.7MHz, ∆f = ± 22.5kHz, fm = 1kHz AM : f = 1MHz, MOD = 30%, fm = 1kHz MPX : fm = 1kHz COIL DATA f (Hz) L (µH) CO (pF) QO Turns 1 -2 2-3 1-3 1-4 1 2 L1 FM RF 100M 100 L2 FM OSC 100M 100 L3 AM OSC 796k T1 FM MIX 10.7M 75 100 13 2 T2 AM MIX 455k 180 120 180 15 T3 FM DET 10.7M 47 165 16 238 2 2 115 13 Wire 4-6 Ref. * S -53T-037-202 0.5∅ UEW 3 4 S - 0258-24 0.5∅ UEW 73 0.08∅ UEW S - 4147-1356-038 0.1∅ UEW S - 2153-414-041 0.08∅ UEW S - 2150-2162-165 0.09∅ MUEW S - 2153-4095-122 7222A-05.TBL Coil No * S : Sumida Electric CO, LTD. L3 V.C. 3 Pin 20 2 VCC 1 T1 Pin 3 3 4/7 1 4 4 6 3 VCC 4 VCC VCC 3 C.F. Pin 4 1 1 T3 4 C.F. VCC 2 6 6 V.C.VCC Pin 24 T2 2 VCC L4 3 4 2 6 VCC Pin 12 1 6 7222A-03.EPS L1, L2 7222A-04.EPS 22pF BFP BPWB5 L4 1 FM RF FM RF IN AM RF IN 24 5pF 2 GND1 T1 3 FM OSC 21 4 T2 AM MIX AM MIX FM OSC 15pF 22pF L2 FM MIX FM MIX FM RF OUT VCC1 23 22 L1 L3 5 AM DET 41kΩ 10µH 33pF 33µF AM AGC AM AGC AM OSC AM OSC 20 100kΩ 5pF 1S2236 100kΩ 6 AM AF 7 SFU455B VCC2 AM IF DET OUT 19 10µF 330pF 0.47µF 8 LEVEL DET 1µF 100Ω FM IF IN FM IF 1/2 LPF1 17 0.33µF Pbase COM 1kΩ AM/FM MONO SW SFE 10.7MA5 AM IF IN PRE MPX IN 18 MO ST 9 AM FM GND2 1/2 Pbase COM 15 VCO 15kΩ 10kΩ 5.6kΩ 11 ST LED 10 560Ω ST LED TUN LED 13 10nF T3 22µF 12 QUAD FM DET SW ST DECODER HYS 14 10nF TUN LED 1/2 VCO 1000pF 560Ω LPF2 16 *1µF * Polyester film condenser 4.7µF 4.7µF VCC (3V) R OUT L OUT TDA7222A - TDA7222AD APPLICATION CIRCUIT 5/7 TDA7222A - TDA7222AD I a1 PACKAGE MECHANICAL DATA (TDA7222A) 24 PINS - PLASTIC SHRINK DIP Stand-off L b1 b b2 e E Z e3 D Stand-off 13 b3 Dimensions A a1 b b1 b2 b3 D E e e3 e4 F i L 6/7 12 Min. Millimeters Typ. 3.3 0.51 0.35 0.2 0.75 0.75 Max. Min. 0.59 0.36 1.42 0.020 0.014 0.008 0.030 0.030 23.11 9.73 7.95 Max. 0.023 0.014 0.056 0.910 0.383 0.313 1.778 19.558 7.62 0.070 0.770 0.300 6.86 5.08 2.54 Inches Typ. 0.130 0270 0.200 0.100 SDIP24.TBL 1 PMSDIP24.EPS F 24 TDA7222A - TDA7222AD PACKAGE MECHANICAL DATA (TDA7222AD) 28 PINS - PLASTIC MICROPACKAGE (SO) L e s e3 a1 b b1 A C c1 E D 15 F 28 Dimensions Min. Millimeters Typ. 0.1 0.35 0.23 Max. 2.65 0.3 0.49 0.32 Min. Inches Typ. 0.004 0.014 0.009 0.5 Max. 0.104 0.012 0.019 0.013 0.020 o 45 (typ.) 17.7 10 18.1 10.65 0.697 0.394 1.27 16.51 7.4 0.4 0.713 0.419 0.050 0.65 7.6 1.27 0.291 0.016 0.299 0.050 SO28.TBL A a1 b b1 C c1 D E e e3 F L S 14 PM-SO28.EPS 1 8 o (max.) Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1995 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. 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