Overview
The OPA2171AQDRQ1 is a single-supply, general-purpose operational amplifier (op amp) manufactured by Texas Instruments. This device is part of the OPA2171-Q1 family, known for its low noise, low offset, and low quiescent current. It operates on a wide supply range from 2.7 V to 36 V (or ±1.35 V to ±18 V in dual-supply configurations), making it versatile for various applications. The OPA2171AQDRQ1 is particularly suited for automotive and other high-reliability applications due to its AEC-Q100 qualification and robust ESD protection.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (D) |
| Pins | 8 |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 2.7 V to 36 V (single-supply), ±1.35 V to ±18 V (dual-supply) |
| Quiescent Current per Channel | 475 µA |
| Gain Bandwidth | 3 MHz |
| Input Bias Current | 10 pA |
| Common-Mode Rejection Ratio | 120 dB (typical) |
| Noise Density at 1 kHz | 14 nV/√Hz |
| Offset Drift | ±0.3 µV/°C (typical) |
Key Features
- Low noise: 14 nV/√Hz at 1 kHz
- Low offset drift: ±0.3 µV/°C (typical)
- High common-mode rejection ratio: 120 dB (typical)
- Low input bias current: 10 pA
- Rail-to-rail output
- Stable with capacitive loads up to 300 pF
- Qualified for automotive applications with AEC-Q100 test guidance
- Robust ESD protection: HBM ESD classification level 3A and CDM ESD classification level C6
- Compact SOIC-8 package for space-saving designs
Applications
The OPA2171AQDRQ1 is suitable for a variety of applications, particularly in the automotive sector due to its AEC-Q100 qualification. It is also used in general-purpose instrumentation, buffer amplifiers, and other high-reliability applications where low noise, low offset, and low quiescent current are critical. Its ability to operate over a wide supply range and its stability with capacitive loads make it versatile for use in different environments.
Q & A
- What is the operating temperature range of the OPA2171AQDRQ1?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the OPA2171AQDRQ1?
The supply voltage range is 2.7 V to 36 V (single-supply) or ±1.35 V to ±18 V (dual-supply).
- What is the quiescent current per channel for the OPA2171AQDRQ1?
The quiescent current per channel is 475 µA.
- What is the gain bandwidth of the OPA2171AQDRQ1?
The gain bandwidth is 3 MHz.
- Is the OPA2171AQDRQ1 qualified for automotive applications?
Yes, it is qualified for automotive applications with AEC-Q100 test guidance.
- What is the common-mode rejection ratio of the OPA2171AQDRQ1?
The common-mode rejection ratio is 120 dB (typical).
- What is the noise density at 1 kHz for the OPA2171AQDRQ1?
The noise density at 1 kHz is 14 nV/√Hz.
- Is the OPA2171AQDRQ1 stable with capacitive loads?
Yes, it is stable with capacitive loads up to 300 pF.
- What package type is the OPA2171AQDRQ1 available in?
The OPA2171AQDRQ1 is available in an 8-SOIC (D) package.
- What is the input bias current of the OPA2171AQDRQ1?
The input bias current is 10 pA.
