9.2.7 Additional Applications

Texas Instruments offers many complete high-performance instrumentation amplifiers. See Table 9-1 for some of

the products with related performance.

Table 9-1. Recommended Op Amp Products to Use With the INA597

A1, A2

FEATURE

SIMILAR TI IA

OPA27

Low noise

INA103

OPA129

Ultra-low bias current (fA)

INA116

OPA177

Low offset drift, low noise

INA114, INA128

OPA2130

Low power, FET-input (pA)

INA111

OPA2234

Single supply, precision, low power

INA122. INA118

OPA2237

SIngle supply, low power, 8-pin MSOP

INA122, INA126

The difference amplifier is a highly versatile building block that is useful in a wide variety of applications. See the

INA105 data sheet for additional applications ideas, including:

• Current receiver with compliance to rails

• Precision unity-gain inverting amplifier

• ±10-V precision voltage reference

• ±5-V precision voltage reference

• Precision unity-gain buffer

• Precision average value amplifier

• Precision G = 2 amplifier

• Precision summing amplifier

• Precision G = 1/2 amplifier

• Precision bipolar offsetting

• Precision summing amplifier with gain

• Instrumentation amplifier guard drive generator

• Precision summing instrumentation amplifier

• Precision absolute value buffer

• Precision voltage-to-current converter with differential inputs

• Differential input voltage-to-current converter for low IOUT

• Isolating current source

• Differential output difference amplifier

• Isolating current source with buffering amplifier for greater accuracy

• Window comparator with window span and window center inputs

• Precision voltage-controlled current source with buffered differential inputs and gain

• Digitally controlled gain of ±1 amplifier

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INA597

SBOS385B – AUGUST 2019 – REVISED APRIL 2021

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