AN7472S PANASONIC | Alldatasheet

Document overview

  • Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
  • PDF pages: 4

Technical content

FMAFLAVLF AFL YAARBAK,FM Stereo Multiplex Demodulator ak & Unit : mm ANTAT2SI2, Hi-Fit a -+MF 3 9 824 y FY THREMA o FUPNFTL y 7 AMM, VCORIIME, 784 Dy bx ss ee eVED LaF LY TU LOBES bo BENE IC TH. Bae fez Be) 3 bd Ea | |, as & se ee |q | OPLLIS 4 3 > CHAT SIKH HEA Me ANT SOLE at ia E20 is lz

9 VCOs aE RSA TT HE vei Be | |

OF ES y TRA Dy be FILE OATH Lay ee iG ela F417 7H 3] — 03 4) Sis @ Features 72203 eo gal ' 94403 a © Adjustment of VCO frequency can be omitted by inputting a 1-kHz reference frequency signal from a PLL microcomputer. 28-Lead PANAFLAT Package (SO-28D) @ Level error of the pilot signal cancelation circuit is small because feedback control used. © Muting circuit is built-in, @ 7028) /Block Diagram = @-O-O-O-O-O-O-9-O-9-O-9-B-@ Phase Phase LED Phase Error 1% /\\ FF FE FF Th a Counter ti FF yy Voltage Pilot Input Stereo Stabilizer /\\ Amp. Amp. Demodu. pln: [rameh Vee Veet GND — 333 —

@ FZ /Pin Tam] 7h | Pin Nae [Pin] | Pn Nae T_[ ot FART Pio Canceling oto [15 [Ta—7 a> 7 | Mang 2 [ewe [Mec 6 ae in ¢ [ete FATE | Pl Ps Cree 16 | VOO faa | VCO Stop Coro 5 [RITA [Referee Votage pot | 19” | VOO RC shEH [VOD RC Tne Com 9 pest 9 Daw | Separation Aung 2 [ PLL ©7119 [ PLL Lowes iter B @HHAEHK / Absolute Maximum Ratings (Ta=25C) Ttem Symbol [Rating | Unit fara CED) ee ca ee sia tc er c BM BAH Ht Electrical Characteristics (Vece=5V, Ta=25°C) Bos [tn [ot [vse 26 aa [6 | ma wr a Fe 7140 FRET Vas | 1 Plt sal ony |B |S eeri—7 [| A eergete sf as | eeytavs vi [eR [ 1 [Vans af Mec “SIN 1 | V,,—300mVims, f=IkHz, R,= 0 4B TaF 47 7s | Vay | 1 «| V,,=300mVrms, f=1kHz |e} et 4B Taaveevry2 [CR | 1 _| V)=30mVims [ +5, +10| | % —334—

Test Circuit 1 (De-emphasis 50s) PL a Contr) 4 gs TA ty V1 Supply Sapply |} tweet = PPOPOOOOOOOOOD a sat # ovteut froatiz7 | [oistortion + 2—o 38k He] AC we VCOF ') 5 > AIMS OE S te SME Vottmeter} 19.000kHz 4 50Hzi\\- ite S EQ) PGHROGOMMEES WETS ik3 Re THe LL YD) DAS ye 2 MGT S Sep —V;, Sep —fu Sep —Ta “ ra “T= “To = 10 wy f= 1kHz 0 HH V, =300mVrms 0 ATS => eT | i a TT 1: iT] = wo | ob ieay ft i ‘0 CesT = rT a Te e* EEE aii a al My °c ee & 40 i 40, 1 g 40 a eee et wa | = 30 = 30 if 2 30 ae | * 20 20 4 20 SaaGnnen BU en wae TOD 10 10 7 f 10 | V,,=300mVrms| CAPE mY vane “TTT TTT 0 0 0 100 200 300 400 500 600 700 800 0 100 ik 10k 100k 40, 20 0 20 40, 60 80 ANH. V,, (mVims) RMR (Hz) Moni Ta (Cc) a —335— ~

: AFVABIC AN7472S THD-V;, Vo. THD-f, 5 Vy, THD—Ta “CoToss) “CIS: “Md f= 1kHz a= 300mVrms)] = “FESR og | Pe 2eEEECEEC eC TINIOE is 20. 2 z g jj seee ee EY A ELH oo ma SECCECAEA = CUPINGT 2 Terre pees r 2 ceee SET TM eS aol LETT TITTY eC oATT] —w Meee at bw EERE fas SAM UI, Cinibep py)” 0 100 200 300 400 500 600 700 800 10 100 Ik 10k = 100k 40-20 0 2 40 60 80 ANH V,, (mVrms) RMR f, (Hz) Mme T. CC) (VCO BRIM T) vv et tta—tHPLLay b}oe—F% (MN1291 t . WE) CHAS IKHZ HEH &PINDANTS = & ah pean O 1kH2 IBY eRe £0, VCOMS REFERS MAMIE S =O CHT SE - Tr 2v 4. 05, LORMEEMAL COME, Pin ® € Vic (1) wv kel TRS, AN7472S, TOKO A Abt Test Circuit 1 i= la] — 336 —