Overview
The OPA354AIDBVT from Texas Instruments is a high-speed, voltage-feedback CMOS operational amplifier designed for applications requiring wide bandwidth, such as video processing, ultrasound, and optical networking. This amplifier is part of the OPAx354 series, which includes single, dual, and quad configurations. It is unity-gain stable and capable of driving large output currents, making it suitable for a variety of high-speed and precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 250 | MHz |
| Gain Bandwidth Product | 100 | MHz |
| Slew Rate | 150 | V/µs |
| Input Voltage Noise Density | 6.5 | nV/√Hz |
| Supply Voltage Range | 2.5 to 5.5 | V |
| Dual Supply Voltage Range | ±1.25 to ±2.75 | V |
| Output Current | > 100 | mA |
| Quiescent Current | 4.9 | mA |
| Input Bias Current | 3 | pA |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SOT-23, HSOP | |
| Pin Count | 5 (SOT-23), 8 (HSOP) |
Key Features
- Rail-to-Rail Input/Output: The amplifier features rail-to-rail input and output, allowing the input common-mode voltage range to extend beyond the supply rails and the output swing to be within 100 mV of the rails.
- High Slew Rate and Bandwidth: With a slew rate of 150 V/µs and a gain bandwidth product of 100 MHz, this amplifier is well-suited for high-speed applications.
- Low Noise: The amplifier has a low input voltage noise density of 6.5 nV/√Hz, making it suitable for noise-sensitive applications.
- High Output Current: Capable of delivering more than 100 mA of continuous output current.
- Excellent Video Performance: Features include differential gain of 0.02%, differential phase of 0.09°, and 0.1-dB gain flatness up to 40 MHz.
- Thermal Shutdown: Includes thermal shutdown protection for added reliability.
- Compact Packages: Available in small packages such as SOT-23 and HSOP PowerPAD, making it ideal for space-constrained designs.
Applications
- Video Processing: Ideal for video applications due to its excellent video performance metrics.
- Ultrasound: Suitable for ultrasound systems requiring high bandwidth and low noise.
- Optical Networking and Tunable Lasers: Used in optical networking and tunable laser applications where high speed and precision are critical.
- Photodiode Transimpedance Amplifiers: Used in photodiode transimpedance amplifier circuits.
- Active Filters and High-Speed Integrators: Suitable for active filter and high-speed integrator circuits.
- Analog-to-Digital (A/D) and Digital-to-Analog (D/A) Converter Buffers: Used as input buffers for A/D converters and output amplifiers for D/A converters.
- Barcode Scanners and Communications: Used in barcode scanners and various communication systems.
Q & A
- What is the unity-gain bandwidth of the OPA354AIDBVT?
The unity-gain bandwidth of the OPA354AIDBVT is 250 MHz.
- What is the typical slew rate of the OPA354AIDBVT?
The typical slew rate is 150 V/µs.
- What is the input voltage noise density of the OPA354AIDBVT?
The input voltage noise density is 6.5 nV/√Hz.
- What is the supply voltage range for the OPA354AIDBVT?
The supply voltage range is from 2.5 V to 5.5 V (or ±1.25 V to ±2.75 V for dual supplies).
- What are the key video performance metrics of the OPA354AIDBVT?
The key video performance metrics include a differential gain of 0.02%, a differential phase of 0.09°, and 0.1-dB gain flatness up to 40 MHz.
- What is the maximum output current of the OPA354AIDBVT?
The amplifier can deliver more than 100 mA of continuous output current.
- What are the available package types for the OPA354AIDBVT?
The OPA354AIDBVT is available in SOT-23 and HSOP PowerPAD packages.
- What is the operating temperature range of the OPA354AIDBVT?
The operating temperature range is from -40°C to +125°C.
- Does the OPA354AIDBVT have thermal shutdown protection?
- What are some common applications for the OPA354AIDBVT?
