AN7220 PANASONIC
Document overview
- Manufacturer or author: Provided By digicamel.com
- PDF pages: 4
Technical content
AM Tuner, FM-AM IF Amplifier Circuit Unit : mm @ Description Aes The AN7220 is a monolithic integrated circuit designed for q > rar AM tuner, FM-AM IF Amp. in low voltage radio and =| radio/cassette tape recorder. < 3 "| q b 3 J b q b sd_| Bo @ Features os | 06 @ Few external components 191 AO 310 @ Low power consumption 100 355 @ Common IF Amp. for FM and AM 5 |} ale, 762 @ Pin 18-Lead DIL Plastic Package (18-DIP) PisNo | PinName | PinNo._| Pin Name 1 AM RF Amp. Input [10 | AFOuput 2 | AMMixoupt || Ve BT vetamy TAMA Amp. Input 4 AM IF Amp. Input AM Detector Output 5 FM IF Amp. Input | 14 | Tuning Indicator
6 IF By-pass | 15 |_ AGC Input
7 [iFByjus SSS NAM a @ Block Diagram Vec(AM) GND GND(AM) Vec ee mM 6932852 0013858 b7T mm Panasonic 239
@ Absolute Maximum Ratings (Ta=25°C) Tem [Syme [ Ring Sopp Vlogs [Ve [6 Power Disa ee Storage Tempeaie *c Operating Supply Voltage Range: Voc = 2.0V ~ 6.6V @ Electrical Characteristics (VcC=3V, Ta=25°C) Hem [ symbot | Condon | min. | yp. | max. | Uni Ean [|= [=|~ F ‘ ua eewoee |e [RERRERR [wo [| A ee Test Circuit IND T. ie) g Tg 8paglellg 1 Me aal2) la & sup 3) |asga 18 a (peg sig 18 tamu se 7S 7 8 3 go Tee 100 +4-O IF Out . pa Td AN7220 10n7zz O-@O)-O-O-O-O-O-©—-2®) 0.01n 0.01 AM InO Tu oo nema 10nH hae Pov [osnafoarn t 3 AM. pi } Yo @ Voc FM In FM ee Panasoni negonie M@™ 6932852 0013859 SOb mm 240
@ Application Circuit IND Le) “ 39p s7+= Tsl 7s Ss] +] |S 40] oe o 100 A-O IF Out 33n ge [22 | 3.9k ; ase AN7220 mn MOOO)-O©)-©O-O-©-©) 0.01n AM In cr T Z SS = 220p [0.01 ]0.022p]0.022p) 3 i a pe 0.022n ca AM Qo @ Voc 47 54 3 FM Into FM Front End @ Coil Specifications Tr | Coil EIF-78752A lE @-® st | 100pF | 90420% AM MW S T, | QMMM | BLL-78754 3-lE @-@125T 95220% AM Mix. ®-@® 35T 7; | Output | BIA-7S802A | Matsushita ©-@ wt 60230% 455kHz ©-O ist @ Ceramic Filter Specification or 2.608 a MB 6932852 0013860 226 a Panasonic 241
@ Characteristics Curve 2: SIN, THD - Vin (AM) € Vo, S/N, THD - Vin (FM) e , g g rev tra ne a g ant ae 9 e E ge E dz {MMI & 35 Vg s2 INUIT 2 S220 2
22 NV 05 Ss LUN,
ge. Vem (ITT INT & Ze aol NU UAT, 2 ze Nore, Es STINET Bd PRU, z B soltcertnNeeee te | |, 3 ° input Voltage Vis (a8) ° input Voltage Vi (dB) Input Voltage Vin in Vo, Vin, lot - Voc (AM) _. Vo, Vin, Ttot - Voc (FM) — Lo a zest FA a @ [ee F 3 tT _ é Bt & rr] € Pte Eee § ade HEH § Sp S24 cl Sure Cry Va Voramvy 7 12 227821 eooetav) 195 228 COS s 320} S16] E = CoS 5 2°>T TTT} 2 B EPP TTT BA ee Ed rrr RF oO 123 45 67 0 123 4567 Supply Voltage Vcc (V) Supply Voltage Voc (V) @ Printed Circuit Board Layout (Scale: 1:1) @ AN7220 wo e Vv . Cc A Ss Sk : ZN J fl Vv Cc . . c e AMIN FMIN MECS [ ) ECS Panasonic M@™ 6932852 001386] 1b4 mm 242