INA118PB

Voltage - Input Offset:	10µV
Base Part Number:	INA118
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 36 V, ±1.35 V ~ 18 V
Current - Output / Channel:	12mA
Current - Supply:	350µA
Series:	--
Current - Input Bias:	1nA
-3db Bandwidth:	800kHz
Slew Rate:	0.9 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Instrumentation
Part Status:	Active
Packaging:	Tube

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INA118PB Application Field and Working Principle

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The INA118PB is a precision, low noise, low power, zero-drift, single supply instrumentation amplifier (IA) designed to provide low-noise gain and level shifting in a small form factor. It can be used in a wide range of applications as a part of larger, sophisticated equipment such as monitoring systems, medical devices, and analytical instruments. The INA118PB uses an input range of 0V to Vdd and can be used with single supplies from +3V to +36V, allowing for the simplification of supply lines. The device also features low noise and low offset-voltage errors, making it a suitable option for low-signal applications such as audio and instrumentation.The INA118PB is an integrated component on a 12-pin surface-mount package. It includes two input buffers and a three-op-amp gain stage, connected in a classic “instrumentation amplifier” configuration. This allows it to accurately and intentionally amplify only the difference between the two buffer inputs, while rejecting the common-mode component. This feature makes it a suitable option for broad applications such as force-measurement, temperature measurement, sensor measurement and conditioning, and medical diagnostics.The integrated three-op-amp gain stage allows the INA118PB to offer higher gains than passive IA structures without sacrificing linearity. The gain can be adjusted externally with a resistor network. The device is also capable of level-shifting and single-supply operation, which makes it well suitable for applications that require single-power-supply precision measurements, such as portable and digitally-controlled instrumentation.The integrated architecture of the INA118PB allows for superior power consumption. The device typically requires only 15µA of typical current, which gives it an advantage in battery-operated applications. Operating temperature range from -40º to 85ºC ensures proper operation under a variety of environmental conditions. In addition, the INA118PB is RoHS Compliant and AEC-Q100 qualified, allowing for use in automotive and industrial applications.The INA118PB offers low-voltage noise (1µVrms) even in cases of high gain settings (up to +1000). This extremely low-noise performance makes it a suitable choice for applications that require reliable measurement accuracy, such as in medical monitoring, scientific instruments, and imaging systems.The circuit architecture of the INA118PB provides capability to offset the input buffers, resulting in improved input common-mode rejection performance. It also provides automated offset correction, eliminating the need for external components and features a very low-offset voltage error (less than 0.3mV).The INA118PB’s integrated input buffer and low-noise gain stage offer superior performance on fast signals, making it well-suited for high-frequency signals. The buffer also allows for improved common-mode rejection and wide bandwidths. It also increases the device\'s stability and helps reduce the total number of components needed in the circuit.Overall, the INA118PB precision, low-noise, low-power, zero-drift, single-supply instrumentation amplifier offers excellent performance in a wide range of applications. Its integrated components, low-noise and low-voltage noise, and low-offset voltage error make it a suitable choice for medical monitoring, scientific instruments, and imaging systems. The device\'s compact form factor and low power consumption help to simplify the circuit design for battery-operated applications and provides capability for fast and accurate signal measurements.

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