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OP291 数据表(PDF) 1 Page - Analog Devices |
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OP291 数据表(HTML) 1 Page - Analog Devices |
1 / 20 page One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a OP191/OP291/OP491 GENERAL DESCRIPTION The OP191, OP291 and OP491 are single, dual and quad micropower, single-supply, 3 MHz bandwidth amplifiers fea- turing rail-to-rail inputs and outputs. All are guaranteed to operate from a 3 volt single supply as well as ±5 volt dual supplies. Fabricated on Analog Devices’ CBCMOS process, the OP191 family has a unique input stage that allows the input voltage to safely extend 10 volts beyond either supply without any phase inversion or latch-up. The output voltage swings to within millivolts of the supplies and continues to sink or source current all the way to the supplies. Applications for these amplifiers include portable telecom equipment, power supply control and protection, and interface for transducers with wide output ranges. Sensors requiring a rail-to-rail input amplifier include Hall effect, piezo electric, and resistive transducers. The ability to swing rail-to-rail at both the input and output enables designers to build multistage filters in single-supply systems and maintain high signal-to-noise ratios. The OP191/OP291/OP491 are specified over the extended industrial (–40 °C to +125°C) temperature range. The OP191 single and OP291 dual amplifiers are available in 8-pin plastic DIPs and SO surface mount packages. The OP491 quad is available in 14-pin DIPs and narrow 14-pin SO packages. Consult factory for OP491 TSSOP availability. Micropower Single-Supply Rail-to-Rail Input/Output Op Amps OP191/OP291/OP491 PIN CONFIGURATIONS 8-Lead Narrow-Body SO 8-Lead Epoxy DIP (S Suffix) (P Suffix) NC = NO CONNECT 1 2 3 4 8 7 6 5 OP191 OUTA V+ NC NC NC –INA +INA –V 1 2 3 4 8 7 6 5 OP191 8-Lead Narrow-Body SO 8-Lead Epoxy DIP (S Suffix) (P Suffix) 1 2 3 4 8 7 6 5 OP291 OUTB –INB +INB +V OUTA –INA +INA –V 1 2 3 4 8 7 6 5 OP291 14-Lead Epoxy DIP 14-Lead SO (P Suffix) (S Suffix) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 OP491 OUTD –IND +IND –V +INC –INC OUTC OUTA –INA +INA +V +INB –INB OUTB 1 2 3 4 5 6 7 14 13 12 11 10 9 8 OP491 OUTD –IND +IND –V +INC –INC OUTC OUTA –INA +INA +V +INB –INB OUTB 14-Lead TSSOP (RU Suffix) 1 2 5 6 7 3 4 14 13 10 9 8 12 11 OP491 FEATURES Single-Supply Operation: 2.7 V to 12 V Wide Input Voltage Range Rail-to-Rail Output Swing Low Supply Current: 300 µA/Amp Wide Bandwidth: 3 MHz Slew Rate: 0.5 V/ µs Low Offset Voltage: 700 µV No Phase Reversal APPLICATIONS Industrial Process Control Battery Powered Instrumentation Power Supply Control and Protection Telecom Remote Sensors Low Voltage Strain Gage Amplifiers DAC Output Amplifier |
类似零件编号 - OP291 |
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类似说明 - OP291 |
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