Overview
The OPA2111KPG4, produced by Texas Instruments, is a precision operational amplifier that belongs to the OPAx211 series. This device is renowned for its low noise, high precision, and low power consumption. It is designed to offer excellent performance in a variety of applications requiring high accuracy and stability. The OPA2111KPG4 is available in an 8-pin DIP package, making it suitable for a wide range of electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Noise Density | 1.1 | nV/√Hz at 1 kHz |
| Input Voltage Noise (0.1 to 10 Hz) | 80 | nVPP |
| THD + N | –136 dB (G = 1, ƒ = 1 kHz) | dB |
| Offset Voltage | 125 | μV (maximum) |
| Offset Voltage Drift | 0.35 | μV/°C (typical) |
| Supply Current | 3.6 | mA/Ch (typical) |
| 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 Range | ±2.25 to ±18 V, 4.5 V to 36 V | V |
| Output Current | 30 | mA |
| Package | 8-pin DIP |
Key Features
- Low voltage noise: 1.1 nV/√Hz at 1 kHz and 80 nVPP (0.1 to 10 Hz)
- High precision with low offset voltage (125 μV maximum) and low offset voltage drift (0.35 μV/°C typical)
- Low power consumption with a supply current of 3.6 mA per channel
- Unity-gain stable with a gain bandwidth product of 80 MHz (G = 100) and 45 MHz (G = 1)
- High slew rate of 27 V/μs and fast settling time of 700 ns to 16-bit accuracy
- Rail-to-rail output swing for maximum dynamic range
- Wide supply range: ±2.25 to ±18 V or 4.5 V to 36 V for single-supply operation
- Available in small packages such as SON-8, VSSOP-8, and SOIC-8
- Shutdown function for power management
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 OPA2111KPG4?
The input voltage noise density is 1.1 nV/√Hz at 1 kHz.
- What is the typical offset voltage of the OPA2111KPG4?
The typical offset voltage is 125 μV.
- What is the slew rate of the OPA2111KPG4?
The slew rate is 27 V/μs.
- What is the settling time to 16-bit accuracy for the OPA2111KPG4?
The settling time is 700 ns.
- What is the supply range for the OPA2111KPG4?
The supply range is ±2.25 to ±18 V or 4.5 V to 36 V for single-supply operation.
- What are the available packages for the OPA2111KPG4?
The device is available in 8-pin DIP, SON-8, VSSOP-8, and SOIC-8 packages.
- Does the OPA2111KPG4 have a shutdown function?
Yes, it has a shutdown function that can be controlled via the shutdown pin.
- What are some common applications of the OPA2111KPG4?
Common applications include ultrasound scanners, semiconductor test equipment, X-ray systems, lab and field instrumentation, and more.
- What is the typical supply current per channel for the OPA2111KPG4?
The typical supply current per channel is 3.6 mA.
- What is the output current capability of the OPA2111KPG4?
The output current capability is 30 mA.
