Overview
The OPA2380, produced by Texas Instruments, is a high-speed, precision transimpedance amplifier that belongs to the OPA380 family. This amplifier is designed to provide high-speed operation with a gain bandwidth (GBW) of 90MHz, along with extremely high precision, excellent long-term stability, and very low 1/f noise. It is particularly suited for high-speed photodiode applications and excels in areas where conventional JFET op amps fall short in terms of offset, drift, and noise performance.
Key Specifications
| Specification | Value |
|---|---|
| Gain Bandwidth (GBW) | 90MHz |
| Transimpedance Bandwidth | > 1MHz |
| Offset Voltage | 25µV (max) |
| Offset Drift | 0.1µV/°C (max) |
| Bias Current | 50pA (max) |
| Dynamic Range | 4 to 5 Decades |
| Quiescent Current | 7.5mA |
| Supply Range | 2.7V to 5.5V |
| Operating Temperature Range | -40°C to +125°C |
| Package | MSOP-8 |
| Pins | 8 |
Key Features
- High-speed operation with 90MHz GBW
- Excellent long-term stability
- Very low 1/f noise
- Offset voltage of 25µV and offset drift of 0.1µV/°C
- Bias current of 50pA
- Dynamic range of 4 to 5 decades
- Quiescent current of 7.5mA
- Supply range of 2.7V to 5.5V
- Available in single and dual versions
- Miniature MSOP-8 package
Applications
- Photodiode monitoring
- Precision I/V conversion
- Optical amplifiers
- CAT-scanner front-end
- Fast control loops for power level on an optical fiber
Q & A
- What is the gain bandwidth of the OPA2380? The gain bandwidth (GBW) of the OPA2380 is 90MHz.
- What is the typical transimpedance bandwidth of the OPA2380? The transimpedance bandwidth is greater than 1MHz.
- What is the maximum offset voltage of the OPA2380? The maximum offset voltage is 25µV.
- What is the maximum bias current of the OPA2380? The maximum bias current is 50pA.
- What is the dynamic range of the OPA2380? The dynamic range is 4 to 5 decades.
- What is the quiescent current of the OPA2380? The quiescent current is 7.5mA.
- What is the supply voltage range of the OPA2380? The supply voltage range is from 2.7V to 5.5V.
- In what temperature range can the OPA2380 operate? The OPA2380 can operate in a temperature range of -40°C to +125°C.
- What package options are available for the OPA2380? The OPA2380 is available in the MSOP-8 package.
- What are some common applications of the OPA2380? Common applications include photodiode monitoring, precision I/V conversion, optical amplifiers, and CAT-scanner front-end.
