Overview
The OPA842IDBVR, produced by Texas Instruments, is a high-performance, wideband, low-distortion operational amplifier. This device is notable for its exceptional speed and dynamic range, making it ideal for various high-frequency and high-precision applications. The OPA842 is unity-gain stable and uses a voltage-feedback architecture, ensuring low harmonic distortion and high open-loop gain.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain-Bandwidth Product | 200 | MHz |
| Unity-Gain Bandwidth | 400 | MHz |
| Input Voltage Noise | 2.6 | nV/√Hz |
| Harmonic Distortion (2nd, 5MHz, RL=100Ω) | -80 | dBc |
| Harmonic Distortion (3rd, 5MHz, RL=100Ω) | -97 | dBc |
| Open-Loop Gain | 110 | dB |
| Settling Time (0.01%) | 22 | ns |
| DC Voltage Offset | 300 | mV |
| Power Supply Range | ±3.5V to ±6.5V | VDC |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Options | SO-8, SOT23-5 |
Key Features
- Unity-gain stable, voltage-feedback architecture
- Exceptionally low harmonic distortion over a wide frequency range
- High open-loop gain of 110 dB
- Fast settling time of 22 ns (0.01%)
- Low DC voltage offset of 300 mV
- Low input voltage noise of 2.6 nV/√Hz
- High output current drive capability
Applications
- ADC/DAC buffer drivers
- Low-distortion IF amplifiers
- Active filter configurations
- Low-noise differential receivers
- High-resolution imaging
- Test instrumentation
- Professional audio
Q & A
- What is the gain-bandwidth product of the OPA842?
The gain-bandwidth product of the OPA842 is 200 MHz. - What is the unity-gain bandwidth of the OPA842?
The unity-gain bandwidth of the OPA842 is 400 MHz. - What is the input voltage noise of the OPA842?
The input voltage noise of the OPA842 is 2.6 nV/√Hz. - What are the typical harmonic distortion values for the OPA842 at 5 MHz?
The typical harmonic distortion values are -80 dBc for the second harmonic and -97 dBc for the third harmonic at 5 MHz with a load resistance of 100 Ω. - What is the open-loop gain of the OPA842?
The open-loop gain of the OPA842 is 110 dB. - How fast does the OPA842 settle to 0.01% accuracy?
The OPA842 settles to 0.01% accuracy in 22 ns. - What is the DC voltage offset of the OPA842?
The DC voltage offset of the OPA842 is typically 300 mV. - What is the power supply range for the OPA842?
The power supply range for the OPA842 is ±3.5V to ±6.5V. - What are the operating temperature ranges for the OPA842?
The operating temperature range for the OPA842 is -40°C to +85°C. - In what packages is the OPA842 available?
The OPA842 is available in SO-8 and SOT23-5 packages.
