 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| 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 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 = 26dB V IN = 60dB V IN = 60dB V IN = 60dB FM mode AM mode 40 60 44 1.0 5 5 mV mV % k k 7227-03.TBL Parameter Supply Voltage Supply Current FM F/E Input Limiting Voltage Test Conditions V IN = 0, FM mode V IN = 0, AM mode - 3dB limiting Min. 1.8 Typ. 3 9 7 10 Max. 7 Unit V mA mA dB Input Limiting Voltage Recovered Output Voltage Signal to Noise Ratio Total Harmonic Distorsion AM Rejection Ratio - 3dB limiting V IN = 80dB V IN = 80dB V IN = 80dB V IN = 80dB 44 80 70 0.4 50 dB mV dB % dB dB TEST CIRCUIT K V CC (3v) 33nF L3 FM 100nF 8.2nF AM 33 F 2.2mH 22nF AMRF IN 2.2k L1 L2 5.6k T3 18 AMRF IN 17 FMRF OUT 16 V CC1 15 FM OSC 14 AM OSC 13 DE T OUT 12 BAND S/W 11 AGC 10 QUAD DET FMRF IN 1 GND1 FM MIXER 3 T1 AM MIXER 4 T2 V CC2 5 FMIF IN GND2 7 TUN LED 8 AMIF IN 9 2 6 33nF BFP FMRF IN SFE 10.7MA5 560 SFU 455B FMIF IN 7227-03.EPS 3/5 TDA7227 COIL DATA Coil N o f (Hz) 100M 100M 796k 10.7M 455k 10.7M L (H) CO (pF) QO 100 100 Turns 1-2 2-3 1- 3 1- 4 2 2 13 73 12 180 16 1 15 3 4 1 2 1-6 Wire (mm) 0.5 U EW 0.5 U EW 0.08 UEW 0.12 UEW 0.08 UEW 0.09 UEW Ref. * L1 FM RF L2 FM OSC L3 AM OSC T1 FM MIX T2 AM MIX T3 FM DET 288 75 180 47 115 115 120 165 S - 4147 - 1356 - 045 S - 0133 - 309 - 045 S - 2150 - 2162 - 165 S - 2153 - 4095 - 132 7227-04.TBL * S : Sumida Electronic CO, Ltd. L1 6 L2 3 V.C. Pin 20 3 2 1 L3 4 1 1 VCC 6 T1 Pin 3 3 2 VCC 1 6 C.F. Pin 1 4 VCC VCC 3 2 1 T2 4 C.F. 3 2 6 VCC 1 T3 4 6 7227-04.EPS 4/5 TDA7227 PACKAGE MECHANICAL DATA 18 PINS - PLASTIC DIP a1 I b Z e3 B e Z L b1 E D 18 10 1 9 F PM-DIP18.EPS Dimensions a1 B b b1 D E e e3 F i L Z Min. 0.254 1.39 Millimeters Typ. Max. 1.65 Min. 0.010 0.055 Inches Typ. Max. 0.064 0.46 0.25 23.24 8.5 2.54 20.32 7.1 3.93 3.3 1.27 1.59 0.018 0.010 0.914 0.335 0.100 0.800 DIP18.TBL 0.280 0.155 0.130 0.050 0.062 (c) 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 : 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. |
Price & Availability of TDA7227
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |