Overview
The OPA857IRGTR is a high-performance transimpedance amplifier (TIA) manufactured by Texas Instruments. Designed for applications requiring ultra-low noise and wide bandwidth, this component is particularly suited for photodiode monitoring in optical systems. The OPA857IRGTR features selectable feedback resistance, enabling designers to optimize performance for specific use cases. It is available in a compact VQFN-16 package, making it ideal for space-constrained applications. Its market positioning targets advanced optical communication, medical imaging, and industrial sensing systems, where precision and reliability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Transimpedance Amplifier | - | - |
| Channels | 1 | Channel | - |
| Bandwidth | 130 | MHz | 3dB |
| Slew Rate | 220 | V/µs | - |
| Input Bias Voltage | 10 | mV | - |
| Supply Voltage (Max) | 3.6 | V | - |
| Supply Voltage (Min) | 2.6 | V | - |
| Operating Current | 23.4 | mA | - |
| Operating Temperature | -40 to +85 | °C | - |
| Package | VQFN-16 | - | - |
| Humidity Sensitivity | Yes | - | - |
Key Features
- Ultra-low noise design for high precision applications.
- Wide bandwidth of 130 MHz for fast signal processing.
- Selectable feedback resistance for flexible gain configuration.
- Compact VQFN-16 package for space-constrained designs.
- Robust input protection for enhanced reliability.
Applications
The OPA857IRGTR is widely used in optical communication systems, medical imaging devices, and industrial sensing applications. Its ability to handle high-speed signals with minimal noise makes it ideal for photodiode monitoring in fiber optic networks. In medical imaging, it ensures accurate signal amplification for diagnostic equipment. Industrial sensing systems benefit from its precision and reliability in harsh environments.
Q & A
What is the bandwidth of the OPA857IRGTR?
The OPA857IRGTR has a 3dB bandwidth of 130 MHz.
What is the operating temperature range?
It operates within a temperature range of -40°C to +85°C.
What is the supply voltage range?
The supply voltage ranges from 2.6 V to 3.6 V.
Is the OPA857IRGTR RoHS compliant?
Yes, it is RoHS compliant.
What package does the OPA857IRGTR use?
It is available in a VQFN-16 package.
What is the slew rate of the OPA857IRGTR?
The slew rate is 220 V/µs.
What is the input bias voltage?
The input bias voltage is 10 mV.
What is the typical operating current?
The typical operating current is 23.4 mA.
Does it support selectable feedback resistance?
Yes, it supports selectable feedback resistance for flexible gain configuration.
What are the key applications of the OPA857IRGTR?
Key applications include optical communication, medical imaging, and industrial sensing.
