The INA111AU/1KE4 is a precision, high-speed instrumentation amplifier from Texas Instruments, designed to offer exceptional accuracy and flexibility for a wide range of applications. This device is part of the INA111 series, which is renowned for its high performance in terms of linearity, low noise, and robust output drive capability.

Key Features

• High Accuracy: With a super-β input stage, the INA111AU/1KE4 achieves a very low input bias current, making it ideal for applications requiring high-impedance buffering.
• Wide Bandwidth: It offers a bandwidth of 3MHz at a gain of +10, allowing for the accurate amplification of high-speed signals.
• Flexible Gain Configuration: The gain can be easily set from +1 to +10,000 with a single external resistor, providing versatility in various use cases.
• Low Offset Voltage: The INA111AU/1KE4 features a low offset voltage, minimizing errors in precision measurement applications.
• Single or Dual Supply: It operates from a single supply (+4.5V to +18V) or dual supplies (±2.25V to ±9V), adding to its flexibility in system design.

Applications

The INA111AU/1KE4 is suitable for a range of applications that require high-precision signal amplification, such as:

• Medical instrumentation
• Test equipment
• Data acquisition systems
• Industrial process controls
• Strain gauge amplifiers

Quality and Reliability

As a product of Texas Instruments, the INA111AU/1KE4 is manufactured to meet high standards of quality and reliability. The device is available in the TSSOP-16 package, providing a compact footprint for space-constrained applications. Additionally, it is specified over the extended industrial temperature range (-40°C to +85°C), ensuring performance in a variety of environmental conditions.

Ordering Information

The INA111AU/1KE4 can be ordered using the 1KE4 suffix to denote the specific device configuration and packaging. For detailed information on purchasing options, sample requests, and supporting technical documentation, customers are encouraged to visit the Texas Instruments website or contact their local sales representative.