OP285GSZ Analog Devices Inc, OP285GSZ Datasheet
OP285GSZ
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OP285GSZ Summary of contents
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Hz GENERAL DESCRIPTION The OP285 is a precision high-speed amplifier featuring the Butler Amplifier front-end. This new front-end design com- bines the accuracy and low noise performance of bipolar transistors with the speed of JFETs. This yields an ...
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OP285–SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Large-Signal Voltage Gain Common-Mode Input Capacitance Differential Input Capacitance Long-Term Offset Voltage Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage Swing POWER SUPPLY Power ...
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ABSOLUTE MAXIMUM RATINGS Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 22 ...
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OP285 +VOM –5 –10 –VOM –15 –20 – SUPPLY VOLTAGE – 15V V = 15V ...
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GBW –50 – 100 TEMPERATURE – 15V ...
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OP285 250 402 OP AMPS 200 150 100 50 0 –200 –250 –150 –100 – 100 150 200 250 INPUT OFFSET – V 100 200nS Ω ± ...
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APPLICATIONS Short-Circuit Protection The OP285 has been designed with inherent short-circuit protection to ground. An internal 30 Ω resistor, in series with the output, limits the output current at room temperature –90 mA, typically, with ± 15 ...
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OP285 +15V 0 1/2 OP285 2 0.1 F – 4 –15V 1k 300pF 15V TTL 2N3904 INPUT 1.5k 2N2907 1N4148 1.8k 220 15V 0.1 F 0.01 F NOTE V DECOUPLE CLOSE (–1V) ...
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F + 0.1 F 10pF 4.99k V IN 4.99k 2 8 – 1/2 1 OP285 2.49k 0 –15V In inverting and noninverting applications, the feedback resis- tance forms a pole with ...
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OP285 thereby reducing phase error dramatically. This is shown in Figure 13 where the 10x composite amplifier’s phase response exhibits less than 1.5° phase shift through 500 kHz. On the other hand, the single gain stage amplifier exhibits 25° of ...
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3-Pole, 40 kHz Low-Pass Filter The closely matched and uniform ac characteristics of the OP285 make it ideal for use in GIC (Generalized Impedance Converter) and FDNR (Frequency Dependent Negative Resistor) filter appli- ...
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OP285 OP285 SPICE Model Node assignments noninverting input inverting input positive supply negative supply .SUBCKT OP285 INPUT STAGE & POLE AT 100 MHZ 2.188 2.188 CIN 1 2 1.5E-12 C2 ...
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– + ...
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OP285 0.0098 (0.25) 0.0040 (0.10) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead PDIP Package (N- 0.280 (7.11) 0.240 (6.10 0.070 (1.77) 0.045 (1.15) 0.430 (10.92) 0.348 (8.84) 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX ...
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Revision History Location Data Sheet changed from REV REV. A. Edits to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . ...
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