MicroPower, Single-Supply, CMOS Instrumentation Amplifier

The INA321 family is a series of Rail-to-Rail output, micropower CMOS Instrumentation Amplifiers that offer wide-range, single-supply, as well as bipolar-supply operation. The INA321 family provides low-cost, low-noise amplification of differential signals with micropower current consumption of 40A. When shutdown, the INA321 has a quiescent current of less than 1A. Returning to normal operations within nanoseconds, the shutdown feature makes the INA321 optimal for low-power battery or multiplexing applications. Configured internally for 5V/V gain, the INA321 offers exceptional flexibility with user-programmable external gain resistors. The INA321 reduces common-mode error over frequency and with CMRR remaining high up to 3kHz, line noise and line harmonics are rejected. The low-power design does not compromise on bandwidth or slew rate, making the INA321 ideal for driving sample Analog-to-digital (A/D) converters as well as general-purpose applications. With high precision, low cost, and small packaging, the INA321 outperforms Discrete designs, while offering reliability and performance. By Texas Instruments
Part Manufacturer Description Datasheet Samples
INA2321EA/2K5G4 Texas Instruments Micropower single-supply CMOS Instrumentation Amplifier 14-TSSOP
INA2321EA/2K5 Texas Instruments Micropower single-supply CMOS Instrumentation Amplifier 14-TSSOP
INA2321EA/250 Texas Instruments Micropower single-supply CMOS Instrumentation Amplifier 14-TSSOP -55 to 125
INA2321EA/250G4 Texas Instruments Micropower single-supply CMOS Instrumentation Amplifier 14-TSSOP -55 to 125
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INA2321 Pinout, Pinouts
INA2321 pinout,Pin out
This is one package pinout of INA2321,If you need more pinouts please download INA2321's pdf datasheet.

INA2321 Application circuits
INA2321 circuits
This is one application circuit of INA2321,If you need more circuits,please download INA2321's pdf datasheet.


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