Overview
The OPA2171AQDGKRQ1 is a dual, 36-V, 3-MHz, low-power operational amplifier produced by Texas Instruments. This device is part of the OPAx171-Q1 family, which is designed for automotive and general-purpose applications. It is qualified for automotive use and meets AEC-Q100 test guidelines, ensuring reliability over a wide temperature range of –40°C to +125°C. The OPA2171AQDGKRQ1 is available in an 8-pin VSSOP (DGK) package, making it suitable for a variety of applications where low noise, low offset drift, and high common-mode rejection are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Range | 2.7 V to 36 V (Single-Supply), ±1.35 V to ±18 V (Dual-Supply) | V |
| Gain Bandwidth Product | 3 MHz | Hz |
| Slew Rate | 1.5 V/µs | V/µs |
| Quiescent Current per Amplifier | 475 µA | µA |
| Input Bias Current | 10 pA | pA |
| Input Offset Voltage | 250 µV | µV |
| Output Current per Channel | 35 mA | mA |
| Common-Mode Rejection Ratio | 120 dB (typical) | dB |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | 8-VSSOP |
Key Features
- Qualified for automotive applications with AEC-Q100 test guidance.
- Wide supply range: 2.7 V to 36 V (single-supply) and ±1.35 V to ±18 V (dual-supply).
- Low noise: 14 nV/√Hz at 1 kHz.
- Low offset drift: ±0.3 µV/°C (typical).
- Input range includes negative supply and operates to positive supply with reduced performance.
- Rail-to-rail output.
- High common-mode rejection: 120 dB (typical).
- Low quiescent current: 475 µA per amplifier.
- Stable with capacitive loads up to 300 pF.
- Industry-standard packages, including 8-VSSOP.
Applications
- Tracking amplifiers 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 operating temperature range of the OPA2171AQDGKRQ1?
The operating temperature range is –40°C to +125°C.
- What is the gain bandwidth product of the OPA2171AQDGKRQ1?
The gain bandwidth product is 3 MHz.
- What is the slew rate of the OPA2171AQDGKRQ1?
The slew rate is 1.5 V/µs.
- What is the quiescent current per amplifier for the OPA2171AQDGKRQ1?
The quiescent current per amplifier is 475 µA.
- What is the input bias current of the OPA2171AQDGKRQ1?
The input bias current is 10 pA.
- What is the common-mode rejection ratio of the OPA2171AQDGKRQ1?
The common-mode rejection ratio is 120 dB (typical).
- Is the OPA2171AQDGKRQ1 qualified for automotive applications?
- What is the package type of the OPA2171AQDGKRQ1?
The package type is 8-VSSOP.
- What are some common applications of the OPA2171AQDGKRQ1?
Common applications include tracking amplifiers, transducer amplifiers, bridge amplifiers, temperature measurements, and test equipment.
- Can the OPA2171AQDGKRQ1 handle capacitive loads?
