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High Speed FET-Input Instrumentation Amplifier
Texas Instruments
Description
The INA111 is a high speed, FET-input instrumentation amplifier offering excellent performance. The INA111 uses a current-feedback topology providing extended bandwidth (2MHz at G = 10) and fast settling time (4us to 0.01% at G = 100). A single external resistor sets any gain from 1 to over 1000. Offset voltage and drift are laser trimmed for excellent DC accuracy. The INA111's FET inputs reduce input bias current to under 20pA, simplifying input filtering and limiting circuitry. The INA111 is available in 8-pin plastic DIP, and SOL-16 surface-mount packages, specified for the -40°C to +85°C temperature range.
Features
FET INPUT: IB = 20pA max HIGH SPEED: TS = 4us (G = 100, 0.01%) LOW OFFSET VOLTAGE: 500uV max LOW OFFSET VOLTAGE DRIFT: 5uV/°C max HIGH COMMON-MODE REJECTION: 106dB min 8-PIN PLASTIC DIP, SOL-16 SOIC APPLICATIONS MEDICAL INSTRUMENTATION DATA ACQUISITION
Related Datasheets
| Part Number | Description | Category |
| • INA101 | Very High Accuracy Instrumentation Amplifier | Actives - Sensors and Transducers |
| • INA110 | Fast-Settling FET-Input Instrumentation Amp (Rev. A) | Actives - Sensors and Transducers |
| • INA114 | Precision Instrumentation Amplifier | Actives - Sensors and Transducers |
| • INA116 | Ultra Low Input Bias Current Instrumentation Amplifier | Actives - Sensors and Transducers |
| • INA118 | Precision, Low Power Instrumentation Amplifier | Actives - Sensors and Transducers |
| • INA121 | FET-Input, Low Power Instrumentation Amplifier | Actives - Sensors and Transducers |
| • INA125 | Instrumentation Amplifier with Precision Voltage Reference | Actives - Sensors and Transducers |
| • INA126 | Micropower Instrumentation Amplifier Single and Dual Versions (Rev. A) | Actives - Sensors and Transducers |
| • INA128 | Precision, Low Power Instrumentation Amplifiers (Rev. B) | Actives - Sensors and Transducers |
| • INA129 | Precision, Low Power Instrumentation Amplifiers (Rev. B) | Actives - Sensors and Transducers |
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