Overview
The OPA355UA/2K5, produced by Texas Instruments, is a high-speed, voltage-feedback CMOS operational amplifier. This component is part of the OPA355 series, which is designed for applications requiring wide bandwidth, such as video processing, ultrasound, optical networking, and more. The OPA355 series is unity-gain stable, capable of driving large output currents, and features a digital shutdown (enable) function for power saving during idle periods. The series operates on single or dual supplies ranging from 2.5 V to 5.5 V and is available in various package options, including single, dual, and triple op amp configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 450 MHz | |
| Gain-Bandwidth Product (GBW) | 200 MHz | |
| Slew Rate | 360 V/µs | |
| Input Noise Voltage | 5.8 nV/√Hz | |
| Differential Gain | 0.02% | |
| Differential Phase | 0.05° | |
| Input Bias Current | 3 pA | |
| Quiescent Current per Channel | 8.3 mA | |
| Shutdown Current | 3.4 µA | |
| Enable/Disable Time | 100 ns / 30 ns | |
| Operating Voltage Range | 2.5 V to 5.5 V (±1.25 V to ±2.75 V) | |
| Common-Mode Input Range | 100 mV below ground to 1.5 V from V+ | |
| Output Voltage Swing | Within 100 mV of the rails | |
| Continuous Output Current | ±60 mA | |
| Peak Output Current | ±100 mA (VS = 5 V), ±80 mA (VS = 3 V) | |
| Operating Temperature Range | –40°C to +125°C |
Key Features
- Unity-Gain Stable with 200 MHz Gain-Bandwidth Product (GBW)
- High Slew Rate of 360 V/µs
- Low Noise: 5.8 nV/√Hz
- Excellent Video Performance: Differential Gain of 0.02%, Differential Phase of 0.05°
- 0.1-dB Gain Flatness up to 75 MHz
- Input Range Includes Ground, Supporting Single-Supply Applications up to 5.5 V
- Rail-to-Rail Output within 100 mV of the Rails
- Low Input Bias Current: 3 pA
- Low Shutdown Current: 3.4 µA
- Fast Enable and Disable Times: 100 ns and 30 ns
- Thermal Shutdown Protection
- MicroSIZE Packages: SOT-23-6, SO-8, VSSOP-10, TSSOP-14, and SO-14
Applications
- Video Processing
- Ultrasound
- Optical Networking and Tunable Lasers
- Photodiode Transimpedance Amplifiers
- Active Filters
- High-Speed Integrators
- Analog-to-Digital Converter (ADC) Input Buffers
- Digital-to-Analog Converter (DAC) Output Amplifiers
- Barcode Scanners
- Communications
Q & A
- What is the unity-gain bandwidth of the OPA355UA/2K5?
The unity-gain bandwidth of the OPA355UA/2K5 is 450 MHz.
- What is the gain-bandwidth product (GBW) of the OPA355UA/2K5?
The GBW of the OPA355UA/2K5 is 200 MHz.
- What is the slew rate of the OPA355UA/2K5?
The slew rate of the OPA355UA/2K5 is 360 V/µs.
- What is the input noise voltage of the OPA355UA/2K5?
The input noise voltage of the OPA355UA/2K5 is 5.8 nV/√Hz.
- What are the differential gain and phase of the OPA355UA/2K5?
The differential gain is 0.02%, and the differential phase is 0.05°.
- What is the operating voltage range of the OPA355UA/2K5?
The operating voltage range is from 2.5 V to 5.5 V (±1.25 V to ±2.75 V).
- What is the common-mode input range of the OPA355UA/2K5?
The common-mode input range extends 100 mV below ground and up to 1.5 V from V+.
- What are the package options available for the OPA355UA/2K5?
The OPA355UA/2K5 is available in SOT-23-6, SO-8, VSSOP-10, TSSOP-14, and SO-14 packages.
- What is the shutdown current of the OPA355UA/2K5?
The shutdown current is 3.4 µA.
- What are the enable and disable times of the OPA355UA/2K5?
The enable time is 100 ns, and the disable time is 30 ns.
