UPC1227V NEC | Alldatasheet
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| NE C ELECTRONICS INC 72 ra | b4u2a7525 O00aSib ? To T-T1-05-04% Qe FM MULTIPLEX STEREO DEMODULATOR | SILICON MONOLITHIC BIPOLAR INTEGRATED CIRCUIT NN
DESCRIPTION
. The uPC1227V is a silicon monolithic integrated circuit designed for FM multiplex stereo demodulator applications in FM stereo radio receivers using phase locked loop (PLL) techniques. The device includes a variable blend facility that gives a smooth change from monaural to stereo reception. It also i includes independent separation adjustment for L and R channels, forced monaural and VCO stop functions. Outline is a ) new developed 19-lead Vertical Dual In-Line Plastic Package (V-DIP), so that it is suitable for use in automotive radio receivers, where small mounting space is required. ‘ FEATURES @ No coil necessary, all tuning performed with a single potentiometer. : @ Automatic stereo/monaural switching. i © High Voltage gain: Ay = —0.6 dB (Ry = 3.9 kQ) @ Easy to handle because of its V-DIP construction © Reduction of the occupation of mounting area in P.C. Board and hand-insertion time, due to the external shape of the | V-DIP. © Free of mismounting due to its lead formation. © Stereo noise reduction | @ White Noise reduction . @ Independent separation adjustment | @ Wide supply voltage range: Vcc = 6 to 14 V ~ PACKAGE DIMENSIONS in millimeters | ‘ 25.5 MAX. 2.8 c1.3 | y MARKING 3| 3| 3| = 4] 9] 2] 2 @) Ss) S| = 12.34 5 6 7 8 9 10 111213 14 15 16 17 18 19 ee i 22.86 fi )43 :
NE C ELECTRONICS INC 72 DEpfs4e7ses ooossi7 9 T-77-08-07 ABSOLUTE MAXIMUM RATINGS (Ta = 25 °C) | Supply Voltage Vec 16 Vv Package Dissipation (Ta = 75 °C) Pp 430 mw “y Lamp Driver Current (Pin 9) Ie 75 mA : | Operating Temperature Topt -30 to +75 °c Storage Temperature Tag —40 to +125 °c | RECOMMENDED OPERATING CONDITIONS (Ta = 25 °C) ° | Operating Supply Voltage Veco 8 Vv Supply Voltage Range Veco 6to 14 Vv Operating Ambient Temperature Ta —30 to +75 °c | ELECTRICAL CHARACTERISTICS . | * [Ta=25°C, Veg = 8 V, vin = 300 mV compete ap)" 1 kHz, RL =3.9k2] Composite 10 | symBoL | min. T Typ. [ MAX. | UNIT 7 TEST CONDITIONS Circuit Current i lec ; 12 | 20 | 2 mA ‘Quiescent a | Sn 7 Pn Ge Input Impedance ay 50 | a _ 3] 48 | dB | f= 100H2, Yin (Pinot) = 30mV 7 Stereo Channel Separation | Sep. 40 | 65 : {dB [f= 1 kHz, Yin (Pitot) = 30mV | ' 36 45 : = @B © f= 10 kHz, Un (Pilot) = 30 mV ! . Voltage Gain Ay | -35 | -06 | +25 dB! Monaural input, Vin (L+R) = 300 mV ChB. -2 o , #2 , GB Monaural Input, Vin (L+R) = 300 mV Channel Balance {in (Ue) Che, F=2 7 0 F +2 fF dB i Stereo Input, Vin (Pitot) = 30 mV 005 | 03 % Monaural Input, D =300mv . Total Harmonic Distortion THD. i ere et Bin {b+ RD ™ {005 | 03 | % | Stereo Input, Vin (Pilot) = 30 mV | Lamp Indicator Input Level ' LAMPON , 4 | 8 12 mV Pilot Level a Capture Range CR. j #2 +4, 1 % | Vin (Pilot) = 30 mV | 1! 19 kHz Rej. ; 38 dB} 19 kHz, Vin (Pilot) = 30 MV Ultresonic Frequency Rejection i ‘ 38 kHz Rej. | 45 1 dB | 38 kHz, Vin (Pilot) = 30 mV , Pilot 1 SCA 1 | [Maximum Input Level ‘| vj 06 10 | i Vrms. | Monaural Input, T.H.D. = 1% Signal-to-Noise Ratio ‘SIN 70 | 8 | [dB | Monaural input, Vin (L+R)=300mV | |
NE C ELECTRONICS INC ?e DEB puevses go00a8514 Oo Tr uPC1227V
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ne cs INC . 72C 08518 =D T=?7-05-0 } TEST CIRCUIT * POLYSTYLENE CAPACITOR LOWPASS FILTER: BL — 13 (KORIN LAB.) 19 kHz * Ampt and, Amp2 should be set so that, the MONITOR FORCED Hoc voltage gain between the output terminal of the 9 MONAURAL SNC IC and the output terminal of the LPF is 0. dB . | L SEP. LaF C33 Z ADS. a" 5 ko 2) bd []_fa 64 fq fig fg 99*° re | uPC1227V (Top View) dT BB oo ty ty tw bhi } 15kQ " 0.047 nF 4% > * : 10k2 pry =e] dy 3 2, wen 0.01 nF i > & R SEP. il { . » 47uF srepeo ADJ INDICATOR Yeo 3309 tf} 100 uF } (eee) a3ko (#4) 47 uF Cu Rr Ca S Fy LPF. 01) LEFT CHANNEL OUTPUT Par 47 uF L_9 9 © Sore ° 33 ko = 3.3 ko 47 uF ce Rf o 6 o py lout, j H > —N'+ RIGHT CHANNEL OUTPUT N+ Cu cio 47 uF | BLOCK DIAGRAM PRE AMP. B.D OUTPUT INPUT LPF LPF veo Voc COMPOSIT PHASE ve V2 1/2 sxe @ [> a] > : INPUT a : PHASE _ | STEREO) v2 | i Lert out G6) — Ht ' (9) LAMP DRIVER { BLEND are MODU- Hoc yt stop } Ruut OUT QS) | N . 5) (0) ) (8) Go) HI-CUT L SEP. R SEP HIGHCUT CONTROL VCO STOP GND COMPONENT ADJ. ADJ. (Hoc) FORCED MON SW STEREO NOISE \\ oa CONTROL (SNC)
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uPC1227V | TO 6427525 N EC ELECTRONICS INC | 72C 08519. D0 T-~77-05-67 TYPICAL CHARACTERISTICS (Ta = 25 °C) | Reh, OUTPUT LEVEL, TOTAL HARMONIC TOTAL HARMONIC DISTORTION, Reh. OUTPUT 7 DISTORTION, CHANNEL BALANCE vs, LEVEL, CHANNEL BALANCE vs. SIGNAL INPUT | FREQUENCY LEVEL op #10 evs OT eo=ev ** ® HA ea FEE) te |, Taste ott Towra TTT moat foe 9 ae Hen s 3 COMM TUM TN 2 LE col To PTT Te
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ICS INC 72C 08520° OT-77-05-09 \\ CHANNEL BALANCE, VOLTAGE GAIN, INPUT PILOT LEVEL, FREE RUN TOTAL HARMONIC DISTORTION, CIRCUIT FREQUENCY CHANGE vs, SUPPLY 8 CURRENT vs. SUPPLY VOLTAGE VOLTAGE ied ad dD OS ep 800 pga ob eR EN | pte EE EERE CEE B 4. ry a a a te MTs “EEE hia Peco ee Bob ofS ost tt tt ce Tt 0 § Ba ce ) & i rote +++ & ia on ste | tJ] 0 = e ‘ i BTS Jo2Seeeeeeese ty Pecos -f3 aL 93 — 4 3 200] amp OFF wera) — LT Lg Cte? Fs es ne | ob abt off 89 tg eof a
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fT TT TT try, 80) ioc=8 V Fey cee] nop} tt tt tat tie a a a a | a [TY va +a=300 mv 2 er Pil id cop fT Biot r0 6 = gf Ia { 8 Ao Sd a i Fg a a A g of [TE @ og ZL IN TT j 40] 3 a [| a ; en a j Fs EEE Bee eee a [ee a a A Ok VO co a A i A a a a a HEE EEE EEE EERE AR EE ee | fyCO— VCO Free Running Frequency — kHz fyco - VCO Free Running Frequency ~ Hz 1 SEPARATION vs. CONTROL VOLTAGE (SNC) ATTENUATION vs. CONTROL VOLTAGE (HCC) ce a a AO Voc=8 V a a 70) 14) a A A OS Ptr ff] vin=300 mv a a A A A 8 8 eee gx A oo i 50} eg eis § gor 8 epee ; oo Bel eA EEE ‘ 1 ee + 30} 1 of ttt tA i & EEE TA vcore TTP ryrrrry yy : apt At erate ee | \\ A ey Ae oa | ! a > a a a a 0 05 10 1S 20 0 Crit nr x | NCONT.Contol Voltage °Veont.~ cont Voltage -V *°
NE C ELECTRONICS INC 72 DEffb4a7s2s onossel 0 t uPC1227V io HEY NEE ~~ 6427525 N EC ELECTRONICS INC’ 72C 08521 OF-17-05-09 : COMPONENTS LAYOUT FOR P.C. ASSEMBLY (Copper side) : . | : GND Voc | ee ee due 9 a Be Azzt0d" | BASED COE ON We Deo Bais O ee 330 Op Xe é ke ON ea a is, ON 0.47 a / Pee a We ay 9 a em ee . tela is a : 33 uF = wonton “P=? 3 a peed ott FR EB & NE or eee out | S$ Ree oceatile, EL A eye ye 5 Woo Ben Bee Re VCO STOP ~ IN HIGH — CUT CONTROL J FORCED MON SW ‘ (HCC) STEREO NOISE | . CONTROL (SNC) M¢ I