Product details

Number of channels 1 Vs (max) (V) 50 Vs (min) (V) 18 Input offset (±) (max) (µV) 250 Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 1000 Noise at 1 kHz (typ) (nV√Hz) 1 Features Current Feedback, Ultra-low noise CMRR (min) (dB) 100 Input bias current (±) (max) (nA) 12000 Iq (typ) (mA) 9 Bandwidth at min gain (typ) (MHz) 6 Gain error (±) (max) (%) 0.25 Operating temperature range (°C) -40 to 85 Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.004 Output swing headroom (to negative supply) (typ) (V) 3 Output swing headroom (to positive supply) (typ) (V) -3 Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) -3
Number of channels 1 Vs (max) (V) 50 Vs (min) (V) 18 Input offset (±) (max) (µV) 250 Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 1000 Noise at 1 kHz (typ) (nV√Hz) 1 Features Current Feedback, Ultra-low noise CMRR (min) (dB) 100 Input bias current (±) (max) (nA) 12000 Iq (typ) (mA) 9 Bandwidth at min gain (typ) (MHz) 6 Gain error (±) (max) (%) 0.25 Operating temperature range (°C) -40 to 85 Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.004 Output swing headroom (to negative supply) (typ) (V) 3 Output swing headroom (to positive supply) (typ) (V) -3 Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) -3
PDIP (N) 16 181.42 mm² (19.3 mm × 9.4 mm) SOIC (DW) 16 106.09 mm² (10.3 mm × 10.3 mm)
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet INA103 Low-Noise, Low-Distortion Instrumentation Amplifier datasheet (Rev. A) Sep 20, 2023
Application note Importance of Input Bias Current Return Paths in Instrumentation Amplifier Apps PDF | HTML Jul 27, 2021
Application note Phantom Power with Operational Amplifiers (Rev. A) Nov 9, 2018
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
Application note AC Coupling Instrumentation and Difference Amplifiers Sep 27, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

INA103 PSpice Model (Rev. B)

SBOM008A (18 KB) - PSpice model
Supported products & hardware
Simulation model

INA103 TINA-TI Reference Design (Rev. B)

SBOC136B.TSC (92 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

INA103 TINA-TI Spice Model (Rev. A)

SBOM205A.ZIP (4 KB) - TINA-TI Spice model
Supported products & hardware
Calculation tool

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
PDIP (N) 16 Ultra Librarian
SOIC (DW) 16 Ultra Librarian

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