Texas Instruments

OPA547T  

OP Amps, Buffer Amps ICs

The OPA547T is a precision operational amplifier (op-amp) from Texas Instruments. It is designed for high-precision applications and offers several features that make it suitable for a wide range of applications.

Description:

The OPA547T is a low-noise, low-drift operational amplifier with a high input impedance and low output impedance. It is available in an 8-pin SOIC package and operates over a supply voltage range of ±2.5V to ±18V.

Features:

1. Low input offset voltage: The OPA547T has an input offset voltage of typically 70µV (max 200µV), making it ideal for precision applications.
2. Low input bias current: The input bias current is typically 1pA (max 5pA), which is suitable for driving high-impedance loads without significant input current errors.
3. Low noise: The OPA547T has a low input voltage noise of 4.2nV/√Hz, which is suitable for applications requiring low-noise amplification.
4. Low drift: The input offset voltage drift is typically 0.5µV/°C (max 2µV/°C), making it suitable for stable operation over a wide temperature range.
5. High gain bandwidth: The gain bandwidth product is typically 5MHz, which allows for high-speed amplification.
6. Low output impedance: The output impedance is typically 3.5Ω, which allows for driving low-impedance loads without significant voltage drop.

Applications:

The OPA547T is suitable for a wide range of precision applications, including:

1. Strain gauge amplifiers: The low input offset voltage and low drift make it ideal for amplifying the small signals from strain gauges.
2. pH meter amplifiers: The low input bias current and low noise make it suitable for amplifying the small signals from pH sensors.
3. Pressure sensor amplifiers: The low input offset voltage and low drift make it suitable for amplifying the small signals from pressure sensors.
4. Medical instruments: The low noise and high precision make it suitable for use in medical instruments that require high accuracy and stability.
5. Data acquisition systems: The high input impedance and low output impedance make it suitable for use in data acquisition systems that require high precision and low noise.

In summary, the OPA547T is a precision operational amplifier from Texas Instruments that offers low input offset voltage, low input bias current, low noise, low drift, high gain bandwidth, and low output impedance. It is suitable for a wide range of precision applications, including strain gauge amplifiers, pH meter amplifiers, pressure sensor amplifiers, medical instruments, and data acquisition systems.

OPA547T Documents

Download datasheets and manufacturer documentation for OPA547T

Datasheets :

OPA547      

HTML Datasheet :

OPA547