Overview
The OPA2171AIDGKR is a dual, 36-V, low-power operational amplifier produced by Texas Instruments. This device is part of the OPAx171 family, known for its high overall performance and versatility in various general-purpose applications. The OPA2171AIDGKR operates on a wide supply range from 2.7V to 36V (±1.35V to ±18V), making it suitable for a broad range of power supply conditions. It features low noise, low offset drift, and high common-mode rejection, ensuring excellent stability and accuracy in different operating environments.
Key Specifications
| Specification | Value |
|---|---|
| Supply Range | 2.7V to 36V, ±1.35V to ±18V |
| Noise | 14nV/√Hz |
| Offset Drift | ±0.3µV/°C (Typical) |
| Gain Bandwidth | 3MHz |
| Quiescent Current | 475µA per amplifier |
| Common-Mode Rejection Ratio (CMRR) | 120dB (Typical) |
| Input Bias Current | 8pA |
| Slew Rate | 1.5V/μs |
| Operating Temperature | -40°C to +125°C |
| Package | VSSOP-8 |
Key Features
- Low noise: 14nV/√Hz, ensuring high signal integrity.
- Low offset drift: ±0.3µV/°C, providing excellent stability over temperature.
- RFI filtered inputs, reducing interference from radio frequencies.
- Rail-to-rail output, allowing the output signal to swing close to the supply rails.
- High common-mode rejection ratio (CMRR): 120dB, enhancing the ability to reject common-mode signals.
- Low quiescent current: 475µA per amplifier, suitable for battery-powered and low-power applications.
- Industry-standard packages: Available in VSSOP-8, among other options, for flexibility in design.
- Stable with capacitive loads up to 300pF, making it suitable for a variety of capacitive load conditions.
Applications
- Tracking amplifier in power modules.
- Merchant power supplies.
- Transducer amplifiers.
- Bridge amplifiers.
- Temperature measurements.
- Strain gauge amplifiers.
- Precision integrators.
- Battery-powered instruments.
- Test equipment.
Q & A
- What is the supply range of the OPA2171AIDGKR?
The supply range is from 2.7V to 36V (±1.35V to ±18V).
- What is the noise level of the OPA2171AIDGKR?
The noise level is 14nV/√Hz.
- What is the typical offset drift of the OPA2171AIDGKR?
The typical offset drift is ±0.3µV/°C.
- What is the gain bandwidth of the OPA2171AIDGKR?
The gain bandwidth is 3MHz.
- What is the quiescent current per amplifier for the OPA2171AIDGKR?
The quiescent current per amplifier is 475µA.
- What is the common-mode rejection ratio (CMRR) of the OPA2171AIDGKR?
The CMRR is 120dB (Typical).
- What is the input bias current of the OPA2171AIDGKR?
The input bias current is 8pA.
- What is the slew rate of the OPA2171AIDGKR?
The slew rate is 1.5V/μs.
- What is the operating temperature range of the OPA2171AIDGKR?
The operating temperature range is -40°C to +125°C.
- In what package is the OPA2171AIDGKR available?
The OPA2171AIDGKR is available in a VSSOP-8 package.
