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INA103KP

TIINA103KP

Texas Instruments
Instrumentation Amplifier 1 Circuit 16-PDIP
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Overview

The INA103KP is a high-performance, low-noise instrumentation amplifier designed for high-fidelity signal acquisition. It features a low 1 nV/rtHz noise floor and a wide 6 MHz bandwidth, making it an industry standard for precision low-level signal processing. This 16-PDIP variant offers built-in gain-setting resistors and is an improved upgrade over the AD625.

Why Choose This Part

The device offers an excellent balance of speed and precision with a 15V/us slew rate and a low input offset voltage of 30 uV. Its integrated gain-setting resistors simplify circuit design and improve thermal tracking compared to discrete resistor networks.

Applications

Microphone Preamplifiers
Utilizes ultra-low noise and high slew rate for high-quality professional audio recording equipment.
Moving-Coil Cartridge Preamp
Provides the necessary low-noise amplification for low-impedance transducers like high-end vinyl turntable cartridges.
Differential Receivers
Acts as a precision differential-to-single-ended converter for long-run analog signal transmission in industrial environments.

Key Specifications

Slew Rate 15V/us
Mounting Type Through Hole
-3db Bandwidth 6 MHz
Amplifier Type Instrumentation
Package / Case 16-DIP (0.300", 7.62mm)
Current - Supply 9mA
Number of Circuits 1
Current - Input Bias 2.5 uA
Operating Temperature 0degC ~ 70degC
Voltage - Input Offset 30 uV
Supplier Device Package 16-PDIP
Current - Output / Channel 40 mA
Voltage - Supply Span (Max) 50 V
Voltage - Supply Span (Min) 18 V

Getting Started

Designers can evaluate the INA103KP using a standard 16-pin DIP breadboard or prototype PCB with +/-15V or +/-18V split power supplies. Ensure high-frequency decoupling capacitors are placed as close to the supply pins as possible to maintain stability at its 6 MHz bandwidth.

Also Consider

AD620 Analog Devices - A widely used, lower power alternative in the same 8-DIP or 16-DIP form factor for less demanding noise requirements.

Categories

Analog ICs > Instrumentation Amplifiers Analog ICs Industrial & Automation > Industrial Sensors & Instrumentation