The ISL28133FEZ-T7 is a precision, low noise operational amplifier from Intersil (now Renesas). This op amp is designed for applications requiring high accuracy and low distortion, such as instrumentation amplifiers, data acquisition systems, and precision voltage references.

Applications

• Instrumentation amplifiers.
• Data acquisition systems.
• Precision voltage references.
• Sensor signal conditioning.
• Audio preamplifiers.

Features

• Low noise: 4.5 nV/√Hz typical
• Low offset voltage: 50 μV maximum
• Low offset voltage drift: 0.5 μV/°C maximum
• High open-loop gain: 140 dB typical
• Wide supply voltage range: ±2.25V to ±18V
• Rail-to-rail output
• Temperature range: -40°C to +125°C
• Small MSOP package

Benefits

• Accurate signal amplification and conditioning due to low noise and offset voltage.
• Stable performance over temperature variations, ensuring reliable operation.
• High gain allows for amplification of weak signals.
• Versatile operation with a wide supply voltage range.
• Full output swing maximizes signal dynamic range.
• Suitable for harsh environments with an extended temperature range.
• Compact size saves board space.

Additional Details

The ISL28133FEZ-T7 op amp utilizes a chopper-stabilized architecture to minimize offset voltage and drift. This results in exceptional DC accuracy and stability. The rail-to-rail output swing allows the output voltage to reach close to the supply rails, maximizing the available signal range. This amplifier is commonly used in industrial, medical, and aerospace applications where precision and reliability are critical. The T7 suffix refers to the tape and reel packaging for automated assembly.

Specifications:

• Noise: 4.5 nV/√Hz
• Offset Voltage: 50 μV
• Gain: 140 dB
• Supply Voltage: ±2.25V to ±18V
• Operating Temperature: -40°C to +125°C
• Package: MSOP-8