Details, datasheet, quote on part number: OP295G
PartOP295G
CategoryAnalog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers
TitleDual
DescriptionDual/quad Rail-to-rail Operational Amplifiers
CompanyAnalog Devices
DatasheetDownload OP295G datasheet
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Features, Applications

FEATURES Rail-to-Rail Output Swing Single-Supply Operation: 36 V Low Offset Voltage: 300 V Gain Bandwidth Product: 75 kHz High Open-Loop Gain: 1,000 V/mV Unity-Gain Stable Low Supply Current/Per Amplifier: 150 A max APPLICATIONS Battery-Operated Instrumentation Servo Amplifiers Actuator Drives Sensor Conditioners Power Supply Control

Rail-to-rail output swing combined with dc accuracy are the key features of the OP495 quad and OP295 dual CBCMOS operational amplifiers. By using a bipolar front end, lower noise and higher accuracy than that of CMOS designs has been achieved. Both input and output ranges include the negative supply, providing the user "zero-in/zero-out" capability. For users 3.3 V systems such as lithium batteries, the OP295/OP495 is specified for 3 V operation. Maximum offset voltage is specified 300 mV for 5 V operation, and the open-loop gain is a minimum of 1000 V/mV. This yields performance that can be used to implement high accuracy systems, even in single-supply designs. The ability to swing rail-to-rail and supply mA to the load makes the OP295/OP495 an ideal driver for power transistors and "H" bridges. This allows designs to achieve higher efficiencies and to transfer more power to the load than previously possible without the use of discrete components. For applications that require

driving inductive loads, such as transformers, increases in efficiency are also possible. Stability while driving capacitive loads is another benefit of this design over CMOS rail-to-rail amplifiers. This is useful for driving coax cable or large FET transistors. The OP295/OP495 is stable with loads in excess of 300 pF. The OP295 and OP495 are specified over the extended industrial to +125C) temperature range. OP295s are available in 8-lead plastic DIP plus SO-8 surface-mount packages. OP495s are available in 14-lead plastic and SO-16 surface-mount packages. Contact your local sales office for MIL-STD-883 data sheet.

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 that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002

Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage Swing High Output Voltage Swing Low Output Current POWER SUPPLY Power Supply Rejection Ratio Supply Current Per Amplifier DYNAMIC PERFORMANCE Skew Rate Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density

Min Typ Max Unit V dB V/mV mV/C dB mA V/ms kHz Degrees mV p-p nV/÷Hz pA/÷Hz

Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage Swing High Output Voltage Swing Low POWER SUPPLY Power Supply Rejection Ratio Supply Current Per Amplifier DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density

Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage Swing High Output Voltage Swing Low Output Current POWER SUPPLY Power Supply Rejection Ratio Supply Current Supply Voltage Range DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density


 

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