Details, datasheet, quote on part number: OP291GP
PartOP291GP
Category
DescriptionMicropower Single-supply Rail-to-rail Input/output op Amps
CompanyAnalog Devices
DatasheetDownload OP291GP datasheet
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Features, Applications

FEATURES Single-Supply Operation: 12 V Wide Input Voltage Range Rail-to-Rail Output Swing Low Supply Current: 300 A/Amp Wide Bandwidth: 3 MHz Slew Rate: 0.5 V/ s Low Offset Voltage: V 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

The OP191, OP291 and OP491 are single, dual and quad micropower, single-supply, 3 MHz bandwidth amplifiers featuring rail-to-rail inputs and outputs. All are guaranteed to operate from a 3 volt single supply as well 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 to +125C) 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.

OUTA 1 INA 4 6 +INA 3 +V INB 14 OUTD 13 IND 12 +IND

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.

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Min Typ Max Units V dB V/mV V/C pA/C dB A V/s kHz s MHz Degrees dB V p-p nV/Hz pA/Hz

Parameter INPUT CHARACTERISTICS Offset Voltage OP191G OP291/OP491G Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High

Short Circuit Limit Open Loop Impedance POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Slew Rate Full-Power Bandwidth Settling Time Gain Bandwidth Product Phase Margin Channel Separation NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density

Min Typ Max Units V dB V/mV V/C pA/C dB A V/s kHz s MHz Degrees dB V p-p nV/Hz pA/Hz

Parameter INPUT CHARACTERISTICS Offset Voltage OP191 OP291/OP491 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High

NOTES +5 V specifications are guaranteed +3 V and 5 V testing. Specifications subject to change without notice.


 

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