Overview
The OPA356AIDBVR is a high-speed, voltage-feedback CMOS operational amplifier from Texas Instruments. It is part of the OPAx356 series, designed for applications requiring wide bandwidth, such as video and general-purpose analog signal processing. This amplifier is unity-gain stable and can drive large output currents, making it versatile for various high-frequency applications. The OPA356AIDBVR is available in a SOT-23-5 package and is optimized for operation on single or dual supplies ranging from 2.5V to 5.5V.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = +5V | ±2 | ±9 | ±15 | mV |
| Input Bias Current (IB) | ±50 | pA | |||
| Common-Mode Voltage Range (VCM) | -0.1 to +1.5V from V+ | V | |||
| Open-Loop Gain | VS = +5V, 0.3V < VO < 4.7V | 84 | 92 | dB | |
| Small-Signal Bandwidth | G = +1, VO = 100mVp-p, RF = 0Ω | 450 MHz | |||
| Slew Rate (SR) | VS = +5V, G = +2, 4V Output Step | 300/–360 | V/µs | ||
| Quiescent Current (IQ) | VS = +5V, IO = 0 | 8.3 | 11 | 14 | mA |
| Operating Temperature Range | -40 to +125 | °C |
Key Features
- High-speed operation with a gain bandwidth of 200MHz and a slew rate of 360V/µs.
- Unity-gain stable, allowing operation as a +1V/V voltage follower.
- Low input bias current of ±50 pA and low input offset voltage of ±2 mV.
- Wide common-mode input range extending 100mV below ground and up to 1.5V from V+.
- Output swing within 100mV of the rails, supporting a wide dynamic range.
- Low harmonic distortion with -81 dBc for the 2nd harmonic and -93 dBc for the 3rd harmonic at 1MHz.
- Differential gain error of 0.02% and differential phase error of 0.05° for NTSC signals.
- Available in SOT-23-5 and SO-8 packages, with options for single and dual op-amp configurations.
Applications
The OPA356AIDBVR is designed for various high-frequency applications, including:
- Video signal processing: Suitable for composite video and other video applications due to its low differential gain and phase errors.
- General-purpose analog signal processing: Ideal for applications requiring high bandwidth and low distortion.
- Single-supply applications: Can operate on single supplies from 2.5V to 5.5V, making it versatile for a range of power supply configurations.
Q & A
- What is the gain bandwidth of the OPA356AIDBVR?
The gain bandwidth of the OPA356AIDBVR is 200MHz.
- What is the slew rate of the OPA356AIDBVR?
The slew rate is 360V/µs.
- What is the input bias current of the OPA356AIDBVR?
The input bias current is ±50 pA.
- What is the common-mode input range of the OPA356AIDBVR?
The common-mode input range extends 100mV below ground and up to 1.5V from V+.
- What are the harmonic distortion specifications for the OPA356AIDBVR?
The 2nd harmonic distortion is -81 dBc and the 3rd harmonic distortion is -93 dBc at 1MHz.
- What are the differential gain and phase errors for NTSC signals?
The differential gain error is 0.02% and the differential phase error is 0.05°.
- In what packages is the OPA356AIDBVR available?
The OPA356AIDBVR is available in SOT-23-5 and SO-8 packages.
- What is the operating temperature range of the OPA356AIDBVR?
The operating temperature range is -40°C to +125°C.
- What is the quiescent current of the OPA356AIDBVR?
The quiescent current is 8.3mA per channel.
- Is the OPA356AIDBVR suitable for single-supply applications?
Yes, it can operate on single supplies from 2.5V to 5.5V.
