Overview
The OPA818IDRGR is a high-performance, 2.7-GHz, FET-input operational amplifier manufactured by Texas Instruments. This device is designed for high-speed and wide dynamic range applications, leveraging Texas Instruments' proprietary silicon-germanium (SiGe) process. The OPA818 features a fast slew rate of 1400 V/µs, which provides high large-signal bandwidth and low distortion. It is particularly suited for applications requiring low noise and high gain-bandwidth, such as optical communication modules, high-speed data acquisition, and medical and chemical analyzers.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Gain-Bandwidth Product | - | 2700 | - | MHz |
| Slew Rate | - | 1400 | - | V/µs |
| Input Noise Voltage | - | 2.2 | - | nV/√Hz |
| Input Bias Current | - | 4 | 25 | pA |
| Supply Voltage Range | 6 | 10 | 13 | V |
| Quiescent Current | 26.5 | 27.7 | 29 | mA |
| Output Voltage Swing | VS– + 1.2 | - | VS+ – 1.2 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | 8-lead WSON with thermal pad | - | - |
Key Features
- High gain-bandwidth product of 2.7 GHz
- Fast slew rate of 1400 V/µs for high large-signal bandwidth and low distortion
- Low input noise voltage of 2.2 nV/√Hz
- Low input bias current of 4 pA
- Wide supply voltage range from 6 V to 13 V
- High output voltage swing with up to 8 VPP (VS = 10 V)
- Power-down feature with low shutdown current of 27 µA
- Industrial temperature range operation from –40°C to +85°C
- Available in an 8-lead WSON package with an exposed thermal pad for heat dissipation
Applications
- Wideband transimpedance amplifiers (TIAs)
- Wafer scanning equipment
- Optical communication modules
- High-speed data acquisition (DAQ)
- Active probes
- Optical time-domain reflectometry (OTDR)
- Test and measurement front-ends
- Medical and chemical analyzers
Q & A
- What is the gain-bandwidth product of the OPA818?
The gain-bandwidth product of the OPA818 is 2.7 GHz.
- What is the slew rate of the OPA818?
The slew rate of the OPA818 is 1400 V/µs.
- What is the input noise voltage of the OPA818?
The input noise voltage of the OPA818 is 2.2 nV/√Hz.
- What is the input bias current of the OPA818?
The input bias current of the OPA818 is typically 4 pA.
- What is the supply voltage range for the OPA818?
The supply voltage range for the OPA818 is from 6 V to 13 V.
- What is the quiescent current of the OPA818?
The quiescent current of the OPA818 is typically 27.7 mA.
- What is the operating temperature range for the OPA818?
The operating temperature range for the OPA818 is from –40°C to +85°C.
- In what package is the OPA818 available?
The OPA818 is available in an 8-lead WSON package with an exposed thermal pad.
- What are some typical applications of the OPA818?
Typical applications include wideband transimpedance amplifiers, wafer scanning equipment, optical communication modules, high-speed data acquisition, active probes, OTDR, test and measurement front-ends, and medical and chemical analyzers.
- Does the OPA818 have a power-down feature?
Yes, the OPA818 has a power-down feature with a low shutdown current of 27 µA.
