NJM2123D

Instrumentation, Op Amps, Buffer Amps Overview

The NJM2123D is a dual operational amplifier with an integrated analog switch, housed in a 16-pin DIP package. It operates on a single supply voltage ranging from +4V to +20V. Key electrical characteristics include a typical slew rate of 3V/µs and a wide unity gain bandwidth of 10MHz. The device features low saturation output and utilizes bipolar technology. It includes two 2-input/1-output circuits and supports voltage-controlled switching mechanisms.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates dual operational amplifiers with a voltage-controlled analog switch for signal routing.
• Features low saturation output type suitable for audio applications.
• Supports single supply operation with a wide operating voltage range.
• Includes adjustable switch threshold voltage via external components.

Instrumentation, Op Amps, Buffer Amps Applications

• Video equipment such as VTR and LD players
• Car stereo systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package variant required, as the NJM2123 family includes DIP, DMP, and SSOP options. Confirm that the design accommodates the voltage-controlled switching logic and threshold adjustment requirements. Ensure power supply rails match the specified operating range to maintain performance within datasheet limits.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a combined amplification and signal switching function is needed in a compact form factor. It is suitable for designs requiring voltage-controlled input selection between two sources. Consider the 16-pin footprint and bipolar technology characteristics during circuit layout and thermal management planning.

Instrumentation, Op Amps, Buffer Amps Part Context

The NJM2123 belongs to Nisshinbo Micro Devices' lineup of mixed-signal ICs combining linear amplifiers with switching functions. It shares electrical characteristics with the NJM2112 but offers improved switch control modes compared to earlier current-controlled variants like the NJM2120.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The NJM2112 is documented as having identical electrical characteristics. Verify pin compatibility and switching control logic before substitution.