UPC1270H NEC | Alldatasheet
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Technical content
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/ BIPOLAR ANALOG INTEGRATED CIRCUIT A T-74-05-Ol i 30-50W POWER AMPLIFIER DRIVER |
DESCRIPTION
#PC1270H is designed for use with @ Hi-Fi power amplifier driver. It is composed of a differential amplifier, @ predriver, a driver and protection circuit. itlsta t2 puna power BP. Sogo Lied
FEATURES
@ Excellent Low Distortion. 0.002 % TYP. (Voc = +36 V, f= 1 kHz, A, = 30 4B, Po= 30W, RL = 8 Ohms) 0.006 % TYP. (Voc = £36 V, f = 20 kHz, A, = 30 dB, Po = 30 W, Ry = 8 Ohms) © Wide Frequency Band. 900 kHz TYP. (-3 dB) o “Wnde Por Band wth @ Excellent Low POP ON/OFF Noise, BLOCK DIAGRAM Mating #oc APm-amp Stage) +N oc DiOriver Stage) at @)> (ite a tees Loe | [rena] | penreme Sepa = ) ourpur 2 Bde |e = =a el b$ O20; 19) -+VccP(Pre-amp Stage) Phase Compensation ‘Bias. +VecD(Onwer Stage) 108
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ABSOLUTE MAXMUM RATINGS (T, = 25 °C) T7¥-05-0/ Supply Voltage (Quiscent) Veer +450 v Supply Voltage (Operstional) Voce £45 v Quiscent Circuit Current loc (peak 200 mA Allowable Package Dissipation Po 4a w Operational Temperature Topt 20 10 +75 °c Storcge Temperature Tag -40to +150 °C RECOMMENDED OPERATING CONDITION Supply Voltage (Operational) Voc = +18 to £36 V at MAX. Power Output Input Bias Resistance Rwy = 1 to 50 to 100 kohms Power Transistor hee hee = 50 at MAX. Power Output Closed Loop Voltage Gain A, =26 to 3048 ELECTRICAL CHARACTERISTICS (Voc = +36 V, Ay = 30 dB, Use Standard Test Circuit, Ty = 25 °C) [_—aranaeranene [svmor [unc] We | wax [owt | conorriow | [eaenotevaten ——[vore [as | sv | ov | steer oncumrs | [cote crenconen fee || | © | mm | vwro | [sec cnon view [von [=| =» [|v [TMB | [Geen tacr vate cnin | Aw | 00 | Power Band Wisth | Pow. “s00 | | wk | vo=1sv,-308 ‘Supply Voltage Rejection Ratio | SVR. | 85 | 70 | | 48 | Rg=2kohms,f=100HE Output Otliet Voltage Mate) VorFimarel | [280 [mv _[veors50 v.rest eimcurr 7 196 :
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12 PIN SIP (Unit : mm) T7Y-O5-0f
30.48 MAX. 28.0 4,0*02, po, . | fp oy 3 = x bo iS 1 12 . ai : TTC eae : F oss SEE] (254) 1.27 MAX. 1.85 MAX. rte PIN CONNECTION DIAGRAM [Fin wo.] pi connection | [| eco terre [2 ree terre | | 3 | wurns | [4 | wer | Leo —] | PHase comp | [7 [eas | [e [ews | [9 | -Vecp tor Preemo) | [i] reco tr oe [11 [tower ourrur | [2 | vren oureur — | 197
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TEST CIRCUIT 1 (VorF) T-74-05-0l £ 0 &, | sscueur 100 wF i we ‘TEST CIRCUIT 2 (lec) N - 2sclMar tC . te Ws 108
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TEST CIRCUIT 3 (Vom) V-7¥-05-0 7 eo we wa =H Ho CQ] 1853 O ascisur tJ al soo nie Oom Ovrvn «rte TEST CIRCUIT 4 (Ayo) nee avy me ein | =H 10 2 escreur 100 wi Oven
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TEST CIRCUIT 6 (Vno) T=79-08-O1 FE ae 12 ka: sa NI | ene Ly & as 8 ascsur woo ee [> Ovrvae a uF oe (30 kHz —12 4B/Oect) TEST CIRCUIT 6 (S.V.R.) oe ole amar 88 LL we so nie or) ° we £ Q] 18853 9. sci G 3) we mw Tr’ QOvrvm 200
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TEST CIRCUIT 7 (Vorrmute)) T-79-05-0/ 9 9 j ow 900 i ise ‘ or ima i arcu we Pry 1 : 93) asceur {7 & so we Qova 201
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TYPICAI CHARACTERISTICS (Te = 25°C) T-79-05 -O/ ! aoteerers PSN | SN CONC eer CECI TE) eo [PTI PGA S Eu eer coal] © 8 ol HIDES some IS Te PH
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anenat AESISTER va. AREA OF HEAT SINK T- 7 OS5O / oT TET PET st TAN Poo AS i Hees [Tt PH co ines i| | || ==. a COPE , ‘A~ Area of Heat Sink —om? *° APPLICATION CIRCUIT-1 eo Ste @ ngpit eee ogg mane | aie it weiner > — | or ot | L; D Ba) FEO Swan w | Lee ‘] aba | 100 oF’ Vee | 204 '
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TOTAL WARMONIE DISTORTION T-74-OS-0/ Tiitifes, oo COAT ete CTT = HEEEHREH ie AG g FOC ome Cee j a TOT Ho Ee
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