TDA7A TDA7AD V / ONE-CHIP RADIO. BUILT-IN F/E, / AND MPX. ECTOR COIL AND COUPLING CA- PACITOR ARE NOT NEEDED COMPACT PACKAGE : -Pin Shrink. OPERATING SUPPLY VOLTAGE RANGE (opr) =.8 to 7.0V (T A =5 o C) DRIVE CIRCUIT FOR TUNING INDICA- TION SHRINK DIP (Plastic Package) ADVANCE DATA ORDER CODE : TDA7A DESCRIPTION TDA7Aand TDA7AD are / chip tuner ICs, which are designed for portable radios and V headphone radios. SO8 (Plastic Micropackage) ORDER CODE : TDA7AD PIN CONNECTIONS TDA7A (SDIP) TDA7AD (SO8) RF IN GND VCC 5 0 9 RF IN RF OUT VCC OUT RF IN GND 5 7 8 7 5 RF IN RF OUT OUT IN 7 8 MPX IN IN 8 MPX IN IN 8 7 LPF IN 9 0 LPF GND TUN ST QUAD 9 0 5 LPF L OUT R OUT GND TUN ST QUAD 0 9 8 7 5 LPF L OUT R OUT 7A-0.EPS / 7AD0.EPS February 995 /7 This is advance information on a new product now in development or undergoing evaluation. Detailsare subject to change without notice.
TDA7A - TDA7AD BLOCK DIAGR 7A-0.EPS BFP L OUT R OUT Stop RF IN RF OUT OUT MPX IN 0 9 8 7 5 LPF LPF PRE Φ Φ DECODE AF AF F.F HYS SW / SW RF LEVEL TUN ST 5 7 8 9 0 RF IN GND IN IN GND TUN ST QUAD /7
TDA7A - TDA7AD ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V S Supply Voltage 9 V I Current 0 ma V Voltage 0 V Toper Operating Temperature -0, +70 o C Tstg Storage Temperature -55, +50 o C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit V S Supply Voltage.8 to 7 V T oper Operating Temperature 0, +70 o C 7A-0.TBL 7A-0.TBL ELECTRICAL CHARACTERISTICS (unless otherwise specified) TA =5 o C, VCC = V F/E : f = 8MHz, fm = khz : f = 0.7MHz, f =±.5kHz, fm = khz : f = MHz, MOD = 0%, fm = khz MPX : fm = khz Symbol Parameter Test Conditions Min. Typ. Max. Unit I CC () V IN = 0, mode. 0 ma Supply Current I CC () V IN = 0, mode 8..5 ma VIN (lim) Input Limiting Voltage - db limiting 0.0 dbµ F/E V Local Voltage f = 7.MHz 05 mvrms V IN (lim) Input Limiting Voltage - db limiting 0 5 dbµ VOD Recovered Output Voltage VIN = 80dBµ 55 80 0 mvrms S/N Signal to Noise Ratio VIN = 80dBµ 70 db THD Total Harmonic Distortion VIN = 80dBµ 0. % R Rejection Ratio VIN = 80dBµ db V L Lamp ON Sensitivity I L = ma 5 5 5 dbµ G V Gain VIN = dbµ 0 70 0 mvrms VOD Recovered Output Voltage VIN = 0dBµ 55 80 0 mvrms S/N Signal to Noise Ratio VIN = 0dBµ db THD Total Harmonic Distortion VIN = 0dBµ.0 % V L Lamp ON Sensitivity I L = ma 0 5 0 dbµ R9 R IN Pin 9 Output Resistance MPX mode mode 0.75.75 Input Resistance kω R OUT Output Resistance 5 kω V IN (Max.) L + R = 90%, P = 0% Max. Composite Signal Input Voltage Stereo fm = khz, THD = % 50 mv RMS Sep THD Monaural THD Stereo Separation f m = 00Hz fm = khz fm = 0kHz L + R = 5mV RMS P = 5mVRMS Total Harmonic Distortion (monaural) V IN = 50mV RMS 0. % Total Harmonic Distortion (stereo) 5 kω kω db db db L + R = 5mV RMS P = 5mV RMS 0. % GV (MPX) Voltage Gain VIN = 50mVRMS -5 - - db C.B. Channel Balance V IN = 50mV RMS - 0 db 7A-0.TBL /7
TDA7A - TDA7AD ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued) TA =5 o C, VCC = V F/E : f = 8MHz, fm = khz : f = 0.7MHz, f =±.5kHz, f m = khz : f = MHz, MOD = 0%, f m = khz MPX : fm = khz Symbol Parameter Test Condition s Min. Typ. Max. Unit V L (ON) Stereo Lamp (ON) Sensitivity mv RMS Pilot Input V L (OFF) Stereo Lamp (OFF) Sensitivity mv RMS VH MPX Stereo Lamp Hysteresis mvrms C.R. Capture Range P = 5mV RMS ± % S/N Signal to Noise Ratio 70 db 7A-0.TBL COIL DATA Coil N o f (Hz) L (µh) C O (pf) Q O Turns - - - - - L RF 00M 00 Wire Ref. * 0.5 UEW S -5T-07-0 L 00M 00 0.5 UEW S - 058- L 79k 8 5 7 0.08 UEW S - 7-5-08 T 0.7M 75 00 0. UEW S - 5--0 T 55k 80 0 80 5 0.08 UEW S - 50--5 T 0.7M 7 5 0.09 MUEW S - 5-095- * S : Sumida Electric CO, LTD. 7A-05.TBL L, L L L V.C. Pin 0 V.C. Pin T T T Pin V CC C.F. V CC C.F. Pin Pin 7A-0.EPS /7
TDA7A - TDA7AD APPLICATION CIRCUIT S 00kΩ 0.7µF 0µH 0pF 0µF RF IN RF OUT OUT MPX IN LPF LPF 0 9 8 7 5 ST MO kω µf 0kΩ 5kΩ AF PRE Pbase COM Pbase COM ST DECODER / HYS SW / MONO SW / / RF LEVEL TUN ST BPWB5 BFP 5 7 8 9 0 RF IN GND IN IN GND TUN ST QUAD T T µf pf 00Ω 50Ω 5.kΩ T µf.7µf.7µf L OUT R OUT (V) 00kΩ pf L L 5pF 7A-0.EPS 5pF pf 5pF L L kω 0.µF * Polyester film condenser *µf 000pF 0nF 0nF SFU55B SFE 0.7MA5 50Ω 5/7
TDA7A - TDA7AD PACKAGE MECHANICAL DATA (TDA7A) PINS - PLASTIC SHRINK DIP a I Stand-off L b b b e E e Z D Stand-off F b Dimensions Millimeters Inches Min. Typ. Max. Min. Typ. Max. A. 0.0 a 0.5 0.00 b 0.5 0.59 0.0 0.0 b 0. 0. 0.008 0.0 b 0.75. 0.00 0.05 b 0.75 0.00 D. 0.90 E 7.95 9.7 0. 0.8 e.778 0.070 e 9.558 0.770 e 7. 0.00 F.8 070 i 5.08 0.00 L.5 0.00 PMSDIP.EPS SDIP.TBL /7
F TDA7A - TDA7AD PACKAGE MECHANICAL DATA (TDA7AD) 8 PINS - PLASTIC MICROPACKAGE (SO) L C c A b e s a b e E D 8 5 Dimensions Millimeters Inches Min. Typ. Max. Min. Typ. Max. A.5 0.0 a 0. 0. 0.00 0.0 b 0.5 0.9 0.0 0.09 b 0. 0. 0.009 0.0 C 0.5 0.00 c 5 o (typ.) D 7.7 8. 0.97 0.7 E 0 0.5 0.9 0.9 e.7 0.050 e.5 0.5 F 7. 7. 0.9 0.99 L 0..7 0.0 0.050 S 8 o (max.) PM-SO8.EPS SO8.TBL 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 anypatent 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. 995 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I C Patent. Rights to use these components in a I C system, is granted provided that the system conforms to the I C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 7/7