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OP495GS Datasheet(PDF) 1 Page - Analog Devices |
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OP495GS Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page PIN CONNECTIONS 8-Lead Narrow-Body SO 8-Lead Epoxy DIP (S Suffix) (P Suffix) OUT A –IN A +IN A V– V+ OUT B –IN B +IN B 1 2 3 4 5 6 7 8 OP295 OUT A –IN A +IN A V– V+ OUT B –IN B +IN B 1 2 3 45 6 7 8 OP295 14-Lead Epoxy DIP 16-Lead SO (300 Mil) (P Suffix) (S Suffix) OUT A –IN A +IN A V– OUT B –IN D +IN D OUT D –IN B +IN B V+ OUT C –IN C +IN C 1 2 3 4 11 12 13 14 OP495 5 6 7 8 9 10 OUT A –IN A +IN A V– OUT D –IN D +IN D OUT B –IN B +IN B NC V+ OUT C –IN C +IN C 1 2 3 413 14 15 16 5 6 7 89 10 11 12 OP495 NC NC = NO CONNECT REV. B 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 Dual/Quad Rail-to-Rail Operational Amplifiers OP295/OP495 © Analog Devices, Inc., 1995 One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FEATURES Rail-to-Rail Output Swing Single-Supply Operation: +3 V to +36 V Low Offset Voltage: 300 V Gain Bandwidth Product: 75 kHz High Open-Loop Gain: 1000 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 GENERAL DESCRIPTION Rail-to-rail output swing combined with dc accuracy are the key features of the OP495 quad and OP295 dual CBCMOS opera- tional 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, pro- viding the user “zero-in/zero-out” capability. For users of 3.3 volt systems such as lithium batteries, the OP295/OP495 is specified for three volt operation. Maximum offset voltage is specified at 300 µV for +5 volt opera- tion, 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 +15 mA to the load makes the OP295/OP495 an ideal driver for power transistors and “H” bridges. This allows designs to achieve higher efficien- cies and to transfer more power to the load than previously pos- sible without the use of discrete components. For applications that require driving inductive loads, such as transformers, in- creases 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 indus- trial (–40 °C to +125°C) temperature range. OP295s are avail- able in 8-pin plastic and ceramic DIP plus SO-8 surface mount packages. OP495s are available in 14-pin plastic and SO-16 surface mount packages. Contact your local sales office for MIL-STD-883 data sheet. |
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