TDA7227 SINGLE-CHIP AM/FM RADIO WITH FRONT-END .. . . 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 1 18 AM RF IN GND1 2 17 FM RF OUT FM MIXER 3 16 V CC1 AM MIXER 4 15 FM OSC VCC2 5 14 AM OSC FM IF IN 6 13 DET OUT GND2 7 12 BAND S/W TUN LED 8 11 AGC AM IF IN 9 10 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 DET OUT AM OSC 15 14 13 FM OSC AM OSC AF AMP AGC BAND S/W QUAD DET 12 11 10 BAND S/W AGC FM DET LIMITER AM DET FM MI X AM MIX TUN LED FM IF FM RF 2 1 FM RF IN 3 GND1 5 4 FM MIX AM MIX 7 6 V CC2 FM IF IN AM IF 9 8 GND2 TUN LED AM IF IN BFP 7227 -02.EPS ABSOLUTE MAXIMUM RATINGS VS Parameter Value Supply Voltage Unit 9 V 10 mA ILED LED Curre nt V LED Led Voltage T oper Operating Tem pera ture - 25 to 75 o C T stg Storage Temperature -55 to 150 o C 10 V 7227-01.TBL Symbol o Symbol VS T oper 2/5 Parameter Supply Voltage Operating Tem pera ture Value 1.8 to 7 - 20 to 60 Unit V o C 7227-02.TBL RECOMMENDED OPERATING CONDITION AT TA = 25 C 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 Parameter Test Conditions VS Supply Voltage ICC Supply Current V IN = 0, FM mode V IN = 0, AM mode FM F/E Input Limiting Voltage Input Limiting Voltage V IN (lim) Min. Typ. Max. 1.8 3 7 Unit V 9 7 mA mA - 3dB limiting 10 dBµ - 3dB limiting 44 dBµ FM SECTION V IN (lim) VO Recovered Output Voltage V IN = 80dBµ 80 mV S/N Signal to Noise Ratio V IN = 80dBµ 70 dB THD Total Harmonic Distorsion V IN = 80dBµ 0.4 % AMR AM Rejection Ratio V IN = 80dBµ 50 dB Gain V IN = 26dBµ 40 mV AM SECTION GV Recovered Output Voltage V IN = 60dBµ 60 mV Signal to Noise Ratio V IN = 60dBµ 44 dB THD Total Harmonic Distorsion V IN = 60dBµ 1.0 % RO Pin 12 Output Resistance FM mode AM mode 5 5 kΩ kΩ 7227-03.TBL VO S/N TEST CIRCUIT K V CC (3v) 33nF 2.2mH 22nF L1 FM L3 AM 100nF L2 5.6kΩ 33 µF 8.2nF 2.2k Ω AMRF IN T3 18 17 16 15 14 13 AMRF IN FMRF OUT V CC1 FM OSC AM OSC DE T OUT FMRF IN GND1 FM MIXER AM MIXER V CC2 FMIF IN 1 2 3 4 5 6 T1 FMRF IN 11 10 AGC QUAD DET GND2 TUN LED AMIF IN 7 8 9 BAND S/W T2 33nF BFP 12 SFE 10.7MA5 SFU 455B 560 Ω FMIF IN 7227-03.EPS 3/5 TDA7227 COIL DATA o f (Hz) L (µ H) CO (pF) QO L1 FM RF 100M 100 L2 FM OSC 100M 100 288 115 Turns 1-2 2-3 1- 3 1- 4 2 2 13 Wire (mm∅ ) 1-6 1 2 Ref. * 0.5 U EW 3 4 0.5 U EW L3 AM OSC 796k 0.08 UEW S - 4147 - 1356 - 045 T1 FM MIX 10.7M 75 115 73 12 1 0.12 UEW S - 0133 - 309 - 045 T2 AM MIX 455k 180 120 180 15 0.08 UEW S - 2150 - 2162 - 165 T3 FM DET 10.7M 47 165 16 0.09 UEW S - 2153 - 4095 - 132 * S : Sumida Electronic CO, Ltd. L1 L2 6 4/5 1 Pin 20 2 VCC 1 T2 4 VCC VCC 2 VCC 3 1 T1 3 V.C. 3 1 Pin 3 L3 3 C.F. Pin 1 1 6 T3 4 C.F. 2 6 4 3 4 2 6 VCC 1 6 7227-04.EPS 7227-04.TBL Coil N TDA7227 I b1 L a1 PACKAGE MECHANICAL DATA 18 PINS - PLASTIC DIP b B e E Z Z e3 D 10 1 9 F 18 PM-DIP18.EPS Millimeters Typ. 1.65 b b1 0.46 0.25 D E e e3 8.5 2.54 20.32 Min. 0.010 0.055 Inches Typ. 0.064 0.914 0.335 0.100 0.800 7.1 3.93 3.3 1.27 Max. 0.018 0.010 23.24 F i L Z Max. 1.59 0.280 0.155 0.130 0.050 DIP18.TBL a1 B Min. 0.254 1.39 0.062 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no res ponsibility for the consequences of us e 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-TH OMSON Microelec tronics. 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 sy stems without express written approval of SGS-THOMSON Microelectronics. 1992 SGS-THOMSON Microelectronics - A ll Rights R eserved SGS-THOMSON Microelectronics GROUP OF C OMPANIES Australia - Brazil - China - France - Germa ny - Hong Kong - Italy - Japan - K orea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sw eden - Switzerland - Taiwan - U nited Kingdo m - U .S.A. 5/5 ORDER CODE : Dimensions