Overview
The OPA2211AIDDAR is a precision operational amplifier produced by Texas Instruments. It is part of the OPAx211 series, known for its low noise, low power consumption, and high precision. This dual-channel operational amplifier is designed to offer excellent performance in a variety of applications, including those requiring high accuracy and low noise. The OPA2211AIDDAR is available in an 8-pin HSOIC (DDA) package with a PowerPAD for enhanced thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Noise Density at 1 kHz | 1.1 | nV/√Hz |
| Input Voltage Noise (0.1 to 10 Hz) | 80 | nVPP |
| THD + N (G = 1, ƒ = 1 kHz) | -136 | dB |
| Offset Voltage (Maximum) | 125 | μV |
| Offset Voltage Drift | 0.35 | μV/°C |
| Supply Current (Typical per Channel) | 3.6 | mA |
| Gain Bandwidth Product (G = 1) | 45 | MHz |
| Slew Rate | 27 | V/μs |
| Settling Time to 16-Bit Accuracy | 700 | ns |
| Supply Voltage Range | ±2.25 to ±18 V, 4.5 V to 36 V | V |
| Output Current | 30 | mA |
| Package Type | HSOIC (DDA) with PowerPAD |
Key Features
- Low voltage noise: 1.1 nV/√Hz at 1 kHz
- High precision with low offset voltage (125 μV maximum) and low offset voltage drift (0.35 μV/°C typical)
- Low supply current: 3.6 mA per channel (typical)
- Unity-gain stable with a gain bandwidth product of 45 MHz (G = 1)
- High slew rate: 27 V/μs
- Fast settling time: 700 ns to 16-bit accuracy
- Rail-to-rail output swing
- Wide supply voltage range: ±2.25 to ±18 V, 4.5 V to 36 V
- Shutdown feature with low shutdown current
Applications
- Ultrasound scanners
- Semiconductor test equipment
- X-ray systems
- Lab and field instrumentation
- Data acquisition (DAQ) systems
- Radar systems
- Wireless communications test equipment
- Seismic data acquisition
- DC power supplies, AC sources, and electronic loads
- Power analyzers and source measurement units (SMUs)
Q & A
- What is the input voltage noise density of the OPA2211AIDDAR at 1 kHz?
The input voltage noise density is 1.1 nV/√Hz at 1 kHz.
- What is the typical supply current per channel for the OPA2211AIDDAR?
The typical supply current per channel is 3.6 mA.
- What is the gain bandwidth product of the OPA2211AIDDAR when the gain is set to 1?
The gain bandwidth product is 45 MHz when the gain is set to 1.
- What is the slew rate of the OPA2211AIDDAR?
The slew rate is 27 V/μs).
- What is the settling time to 16-bit accuracy for the OPA2211AIDDAR?
The settling time to 16-bit accuracy is 700 ns).
- What is the output current capability of the OPA2211AIDDAR?
The output current capability is 30 mA).
- In what package is the OPA2211AIDDAR available?
The OPA2211AIDDAR is available in an 8-pin HSOIC (DDA) package with a PowerPAD).
- What are some common applications for the OPA2211AIDDAR?
Common applications include ultrasound scanners, semiconductor test equipment, X-ray systems, lab and field instrumentation, and more).
- What is the shutdown current when the device is disabled?
The shutdown current when the device is disabled is typically 1 μA).
- What is the temperature range over which the OPA2211AIDDAR is specified?
The device is specified from -40°C to +125°C).
