UPC754 NEC | Alldatasheet

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Technical content

. MAGNETIC SERVO HEAD NEC Electronics Inc. PREAMPLIFIER a Description Pin Configuration The uPC754 is a two stage wideband differential amplifier which features a very narrow gain range and 30 MHz bandwidth. This device is designed to be used + Input | [rt {s] Test (see note) primarily as the preamplifier for the servo head of the model 3348 head/arm assembly. Features oat [2] > [7}ox0

1 Very narrow gain range

(30 MHz bandwidth wel] {+} - owou Ordering Information . Operating Part Temperature “ff [5] + ovpst umber package mange wPC7540 Ceramic DIP O°C to +70°C en vote Pinsent sonnee in ho . Power Supply Voltage —12v Differential Input Voltage a1V Connection Diagram Operating Temperature Range Oto +70°C ‘Storage Temperature Range =65 to +150°C Stee Tomprnure ngs TT q Comment: Stress above those listed under “Absolute Maximum aN eal Fetnge nay caure permanent damagetothe device. Thisisastross ; rating only and functional operation of the device at these or any Hood a ‘other conditions above those indicated in the operational sections of won 1080 ‘this specification Is not implied. Exposure to absolute maximum OF aay rating conditions for extended periods may affect device reliability. a

Recommended Operating Conditions rr) Paramoter ‘Symbol Min, Typ. Max. Unit Conditions Supply 145-88 -{ vale V- 745-83 -9.15 pat Signal Vin 2 op Ambient of ‘Temperature " ‘ n ¢

Electrical Characteristics

a (a — Paramoter ‘Symbol Min, ‘Typ. ‘Max. Unit” Conditions: Ditterential Galo 7 3 HO AL = 1309 Bandwidth Bw 10 30 MHz Vin = 2 Vp Input Resistance Rin 800 1000 1280 a ‘Input Capacitance Cw a oF ‘Quiput Dyrame Range (Differential) 360 mipp AL = 1300 Power Supply Current icc 6 3 mA V-=-O15V ‘Ouiput Ofset Vos 4600 mV Ag=0.R, = 1900 ‘Equivalent Input Noise ty 8 4 WW Ag =0, Ry = 130.0, BW = 4 Miz PSPR, Input Referred PSPR 50 65 8 Ag = 0.155 MHz Gain Sonsiily (Supply) Ha % = 1300 Gain Sonsiilty (Temperature) 2 %/°C Ta = 25°C 9 70°C, AL = 1900 CMR, Input Referred MRR 55 10 fSh MHz