OP295GS Datasheet

Operational Amplifiers - Op Amps


Rail-to-rail output swing combined with dc accuracy are the key features of the OP295GS quad and OP295 dual CBCMOS operational amplifiers. By using a bipolar front end, lower noise and higher accuracy than those of CMOS designs have been achieved. Both input and output ranges include the negative supply, providing the user with zero-in/zero-out capability. For users of 3.3 V systems such as lithium batteries, the OP295GS/OP495 are specified for 3 V operation. Maximum offset voltage is specified at 300 μV 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 15 mA to the load makes the OP295GSOP495 ideal drivers 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 such as transformers that require driving inductive loads, 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 OP295GS/OP495 are stable with loads in excess of 300 pF. OP295GS Features •Rail-to-rail output swing •Single-supply operation: 3 V to 36 V •Low offset voltage: 300 μV •Gain bandwidth product: 75 kHz •High open-loop gain: 1000 V/mV •Unity-gain stable •Low supply current/per amplifier: 150 μA maximum OP295GS Applications •Battery-operated instrumentation •Servo amplifiers •Actuator drives •Sensor conditioners •Power supply control


[{"Name":"Supply Current:","Value":"0.3 mA at 5 V at - 40 C to 125 C"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Minimum Dual Supply Voltage:","Value":"+/- 1.5 V"},{"Name":"Maximum Dual Supply Voltage:","Value":"+/- 18 V"},{"Name":"Gain Bandwidth Product:","Value":"0.075 MHz"},{"Name":"Maximum Operating Temperature:","Value":"+ 125 C"},{"Name":"Operating Supply Voltage:","Value":"5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V"},{"Name":"Input Bias Current (Max):","Value":"0.02 uA at 5 V"},{"Name":"Input Offset Voltage:","Value":"0.3 mV at 5 V"},{"Name":"","Value":""}]

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