Overview
The OPA211IDRGR from Texas Instruments is a precision operational amplifier known for its low noise and high-speed performance. This single-channel op-amp is part of the OPAx211 series, which is optimized for applications requiring low voltage and current noise. The OPA211IDRGR features a rail-to-rail output swing, maximizing dynamic range, and is suitable for a wide range of precision data acquisition and high-speed applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain Bandwidth Product | 80 MHz (G = 100), 45 MHz (G = 1) | MHz |
| Slew Rate | 27 | V/μs |
| Settling Time (16-bit accuracy) | 700 ns | ns |
| Supply Voltage Range | ±2.25 to ±18 V, 4.5 V to 36 V | V |
| Output Current | 30 mA | mA |
| Input Offset Voltage | ±125 μV | μV |
| Input Offset Drift | ±0.35 μV/°C | μV/°C |
| Input Voltage Noise Density | 1.1 nV/√Hz at 1 kHz | nV/√Hz |
| Package Types | SON-8 (3 mm × 3 mm), VSSOP-8, SOIC-8 | - |
| Operating Temperature Range | -40°C to +125°C | °C |
Key Features
- Low Noise: 1.1 nV/√Hz input voltage noise density at 1 kHz.
- High Speed: 27 V/μs slew rate and 80 MHz gain bandwidth product.
- Rail-to-Rail Output: Maximizes dynamic range.
- Low Power Consumption: Quiescent current of 3.6 mA per channel.
- Wide Supply Range: Operates from ±2.25 to ±18 V or 4.5 to 36 V single supply.
- High Precision: Input offset voltage of ±125 μV and drift of ±0.35 μV/°C.
- Compact Packages: Available in SON-8, VSSOP-8, and SOIC-8 packages.
- Shutdown Function: Active high shutdown pin for power management.
Applications
- Ultrasound Scanners: High-speed and low-noise requirements.
- Semiconductor Test: Precision and high-speed signal processing.
- X-ray Systems: High-precision signal amplification.
- Lab and Field Instrumentation: General-purpose precision amplification.
- Data Acquisition (DAQ): High-speed and low-noise data acquisition.
- Radar and Wireless Communications Test: High-speed signal processing.
- Seismic Data Acquisition: High-precision and low-noise signal amplification.
- DC Power Supply, AC Source, Electronic Load: Precision voltage and current measurement.
- Power Analyzer and Source Measurement Unit (SMU): High-precision measurement and control.
Q & A
- What is the input voltage noise density of the OPA211IDRGR?
The input voltage noise density is 1.1 nV/√Hz at 1 kHz.
- What is the slew rate of the OPA211IDRGR?
The slew rate is 27 V/μs.
- What are the available package types for the OPA211IDRGR?
The OPA211IDRGR is available in SON-8, VSSOP-8, and SOIC-8 packages.
- What is the operating temperature range of the OPA211IDRGR?
The operating temperature range is -40°C to +125°C.
- Does the OPA211IDRGR have a shutdown function?
- What is the typical quiescent current of the OPA211IDRGR?
The typical quiescent current is 3.6 mA per channel.
- What is the common-mode rejection ratio (CMRR) of the OPA211IDRGR?
The CMRR is typically 114 dB to 120 dB.
- Can the OPA211IDRGR operate on a single supply voltage?
- What is the settling time of the OPA211IDRGR to 16-bit accuracy?
The settling time is 700 ns to 16-bit accuracy.
- What are some typical applications of the OPA211IDRGR?
Typical applications include ultrasound scanners, semiconductor test, X-ray systems, lab and field instrumentation, and data acquisition.
