Texas Instruments

OPA2172QDGKRQ1

The OPA2172QDGKRQ1 is a low-noise, precision operational amplifier (op-amp) from Texas Instruments. It is designed to provide high performance in a wide range of applications, including precision data acquisition systems, audio equipment, and medical instrumentation.

Description:

The OPA2172QDGKRQ1 is a single, low-noise operational amplifier with a low input offset voltage and low drift over temperature. It features a low input bias current, high output current drive, and excellent common-mode rejection ratio (CMRR). The device is available in a small-outline, 8-pin plastic package.

Features:

• Low input offset voltage: 200µV max
• Low input bias current: 1pA max
• Low drift over temperature: 0.2µV/°C
• High output current drive: ±35mA
• Excellent common-mode rejection ratio (CMRR): 120dB min
• Low noise: 5nV/√Hz
• Wide supply voltage range: 3V to 36V
• Short-circuit protection
• Low output impedance

Applications:

The OPA2172QDGKRQ1 is suitable for a wide range of applications where precision and low noise are required. Some of the key applications include:

1. Precision data acquisition systems: The low input offset voltage and drift, combined with low noise, make the OPA2172QDGKRQ1 ideal for use in precision data acquisition systems, such as those used in industrial control and test equipment.
2. Audio equipment: The low noise and high CMRR of the OPA2172QDGKRQ1 make it suitable for use in audio equipment, such as preamplifiers and active filters.
3. Medical instrumentation: The low input bias current and low noise of the OPA2172QDGKRQ1 make it well-suited for use in medical instrumentation, such as patient monitoring systems and diagnostic equipment.
4. Strain gauge amplifiers: The OPA2172QDGKRQ1 can be used in strain gauge amplifiers for measuring mechanical stress or pressure in various applications, such as force and torque sensors.
5. Battery-powered devices: The wide supply voltage range and low supply current make the OPA2172QDGKRQ1 suitable for use in battery-powered devices, where power consumption is a critical factor.

In summary, the OPA2172QDGKRQ1 is a low-noise, precision operational amplifier from Texas Instruments that offers excellent performance in a variety of applications, including data acquisition systems, audio equipment, medical instrumentation, and more. Its low input offset voltage, low drift over temperature, and low noise characteristics make it an ideal choice for precision applications.