NJM2172V-TE1

Instrumentation, Op Amps, Buffer Amps Overview

The NJM2172V-TE1 is a single-supply dual operational amplifier integrating an electric variable resistor (EVR) and control circuitry. It operates within a supply voltage range of 2.7 to 5.5 V with a typical operating current of 5.0 mA. The device features separate A/B channel EVR adjustment, providing a gain range from -3.0 to -95 dB. Key electrical parameters include a maximum input offset voltage of 6.0 mV, a voltage gain of 80 dB, and a common mode rejection ratio of 74 dB. It utilizes bipolar technology and is housed in an SSOP14 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates dual operational amplifiers with independent electric variable resistors for each channel
• Features internal reference voltage circuits requiring minimal external components
• Supports separate control of A and B channel EVRs via dedicated control pins
• Capable of driving loads up to 100 ohms

Instrumentation, Op Amps, Buffer Amps Applications

• Camcorder audio signal processing systems
• CD player audio circuits
• MD (MiniDisc) player audio circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix 'V-TE1' against the manufacturer's official documentation to confirm packaging details and reel specifications. Ensure compatibility with the required SSOP14 footprint and pin configuration during PCB layout. Confirm that the supply voltage and thermal conditions align with the absolute maximum ratings provided in the datasheet.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a dual op-amp solution with integrated electronic volume control is required. It is suitable for applications needing low power consumption and single-supply operation. Consider the bipolar technology characteristics and the specific EVR gain range when designing audio signal paths. Verify that the input bias current and offset voltage meet the precision requirements of the target application.

Instrumentation, Op Amps, Buffer Amps Part Context

The NJM2172 belongs to Nisshinbo Micro Devices' line of specialized operational amplifiers designed for audio applications. It combines standard op-amp functionality with built-in variable resistance capabilities, simplifying circuit design by reducing the need for external potentiometers or digital volume controllers. This integration supports compact designs in portable audio devices.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult the manufacturer's official replacement guide for verified substitute part numbers. Do not assume functional equivalence with other dual op-amps lacking integrated EVR circuits without thorough validation.