Overview
The OPA350EA/2K5 is a high-speed, single-supply, rail-to-rail operational amplifier produced by Texas Instruments. This device is part of the OPA350 series, which is optimized for low voltage, single-supply operation. It features a wide bandwidth of 38 MHz, a high slew rate of 22 V/μs, and low noise of 5 nV/√Hz, making it suitable for a variety of applications requiring high speed and low noise.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Operating Voltage Range | TA = −40°C to 85°C | 2.7 | 5.5 | V | |
| Input Offset Voltage | VS = 5 V | ±150 | ±500 | μV | |
| Input Bias Current | ±0.5 | ±10 | pA | ||
| Output Voltage Swing | RL = 10 kΩ, AOL ≥100 dB | 10 | 50 | mV | |
| Output Current | ±40 | mA | |||
| Short-Circuit Current | ±80 | mA | |||
| Bandwidth | 38 | MHz | |||
| Slew Rate | 22 | V/μs | |||
| Noise | 5 | nV/√Hz |
Key Features
- Rail-to-Rail Input and Output: The OPA350EA/2K5 features rail-to-rail input and output, allowing the input common-mode voltage range to extend 100 mV beyond the supply rails and the output voltage to swing within 10 mV of the supply rails.
- High Speed and Low Noise: With a bandwidth of 38 MHz and a slew rate of 22 V/μs, this amplifier is ideal for high-speed applications. It also has low noise of 5 nV/√Hz and low total harmonic distortion (THD) of 0.0006%.
- Single-Supply Operation: The device operates from a single supply voltage ranging from 2.5 V to 5.5 V, making it versatile for various applications.
- MicroSIZE Packages: Available in miniature MSOP-8, SO-8, and DIP-8 packages, making it suitable for space-constrained designs.
- Unity-Gain Stable: The amplifier is stable in unity-gain configurations, which is beneficial for many applications).
Applications
- Data Acquisition: Ideal for driving sampling Analog-to-Digital (A/D) converters due to its high speed and low noise).
- Process Controls: Suitable for process control applications requiring precise and stable signal processing).
- Audio Processing: Excellent AC performance makes it suitable for audio applications, including driving 600-Ω loads).
- Communications: Used in communications and cell phone PA control loops due to its high speed and low noise characteristics).
- Video Processing: Capable of driving 75-Ω loads, making it suitable for video processing applications).
- Active Filters and Test Equipment: Also used in active filter designs and test equipment due to its high performance and stability).
Q & A
- What is the operating voltage range of the OPA350EA/2K5? The operating voltage range is from 2.7 V to 5.5 V, with a minimum operating voltage of 2.5 V).
- What is the bandwidth of the OPA350EA/2K5? The bandwidth is 38 MHz).
- What is the slew rate of the OPA350EA/2K5? The slew rate is 22 V/μs).
- What is the noise level of the OPA350EA/2K5? The noise level is 5 nV/√Hz).
- Is the OPA350EA/2K5 unity-gain stable? Yes, the amplifier is stable in unity-gain configurations).
- What are the typical applications of the OPA350EA/2K5? Typical applications include data acquisition, process controls, audio processing, communications, video processing, active filters, and test equipment).
- What are the package options for the OPA350EA/2K5? The device is available in MSOP-8, SO-8, and DIP-8 packages).
- What is the input bias current of the OPA350EA/2K5? The input bias current is approximately ±10 pA).
- How does the OPA350EA/2K5 handle rail-to-rail input and output? The device features rail-to-rail input and output, allowing the input common-mode voltage range to extend 100 mV beyond the supply rails and the output voltage to swing within 10 mV of the supply rails).
- What is the short-circuit current of the OPA350EA/2K5? The short-circuit current is ±80 mA).
