OP295G - SMD

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, providing the user “zero-in/zero-out” capability. For users of 3.3volt 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. Thisyields 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 lord 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 CMOSrail-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 forMIL-STD-883 data sheet.