OPA2137EA/250G4

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2137EA/250G4 is a dual-channel J-FET input operational amplifier from the MicroAmplifier series by Texas Instruments. It features a gain-bandwidth product of 1 MHz and a slew rate of 3.5 V/us. The device operates on supply voltages ranging from 4.5 V to 36 V, with a typical supply current of 220 µA per channel. Key electrical specifications include an input offset voltage of 1.5 mV, input bias current of 5 pA, and output current capability of 60 mA per channel. It provides a common-mode rejection ratio of 84 dB and input voltage noise density of 45 nV/sqrt Hz. The component is housed in an 8-VSSOP package and supports operation within a temperature range of -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• J-FET input architecture providing low input bias current
• Rail-to-rail output capability for single-supply applications
• Low power consumption suitable for battery-operated systems

Instrumentation, Op Amps, Buffer Amps Applications

• Portable instrumentation circuits
• Battery-powered measurement devices
• General-purpose signal conditioning

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix G4 against the manufacturer's latest documentation to confirm RoHS compliance status and lead times. Confirm availability as this part may be subject to discontinuation notices or production changes. Ensure the 8-VSSOP package matches the target PCB footprint requirements before finalizing procurement decisions.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low input bias current and rail-to-rail output are required in a compact surface-mount package. Compare performance metrics such as input offset voltage and noise density against alternative general-purpose amplifiers. Consider the operating temperature range and supply voltage constraints relative to the specific application environment.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA2137 family of low-cost FET-input operational amplifiers. It shares architectural similarities with the OPA137 (single channel) and OPA4137 (quad channel). The family is designed to offer high performance at a reduced cost compared to standard precision amplifiers, targeting applications where moderate speed and low power are prioritized.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers: None.