Overview
The OPA344NA/3K is a single, low-power, rail-to-rail CMOS operational amplifier produced by Texas Instruments. It is part of the OPA344 series, designed for precision and miniature applications. This amplifier is unity gain stable and operates on a single supply voltage ranging from 2.5V to 5.5V. It is well-suited for general-purpose and audio applications, as well as for driving sampling analog-to-digital converters and providing I/V conversion at the output of D/A converters.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = +5.5V, VCM = VS/2 | ±0.2 | ±1 | ±1.2 | mV |
| Quiescent Current | 150 | 250 | µA | ||
| Gain-Bandwidth Product | 1 | MHz | |||
| Slew Rate | 0.8 | V/µs | |||
| Total Harmonic Distortion + Noise (THD + N) | 0.006% | % | |||
| Operating Temperature Range | -40 | 85 | °C | ||
| Package | SOT-23 (DBV), 5 pins |
Key Features
- Rail-to-Rail Input and Output: The OPA344NA/3K features rail-to-rail input and output, making it ideal for applications where the signal needs to swing close to the supply rails.
- Low Quiescent Current: With a typical quiescent current of 150µA, this amplifier is suitable for low-power applications.
- MicroSIZE Packages: Available in compact packages such as SOT-23-5, MSOP-8, and TSSOP-14.
- High Gain-Bandwidth Product: The OPA344 has a gain-bandwidth product of 1MHz, making it suitable for a variety of high-frequency applications.
- Low Total Harmonic Distortion + Noise (THD + N): A THD + N of 0.006% ensures high signal fidelity.
Applications
- PCMCIA Cards: Suitable for use in PCMCIA cards due to its small size and low power consumption.
- Data Acquisition: Ideal for data acquisition systems where precision and low noise are critical.
- Process Control: Used in process control systems for precise signal amplification.
- Audio Processing: Well-suited for audio applications requiring high signal quality.
- Communications: Applied in various communication systems for signal amplification.
- Active Filters: Used in active filter circuits due to its high gain-bandwidth product.
- Test Equipment: Employed in test and measurement equipment for precise signal handling.
Q & A
- What is the typical quiescent current of the OPA344NA/3K?
The typical quiescent current is 150µA. - What is the gain-bandwidth product of the OPA344NA/3K?
The gain-bandwidth product is 1MHz. - What is the slew rate of the OPA344NA/3K?
The slew rate is 0.8V/µs. - What is the total harmonic distortion + noise (THD + N) of the OPA344NA/3K?
The THD + N is 0.006%. - What is the operating temperature range of the OPA344NA/3K?
The operating temperature range is -40°C to 85°C. - What types of packages are available for the OPA344NA/3K?
The OPA344NA/3K is available in SOT-23 (DBV), MSOP-8, and TSSOP-14 packages. - Is the OPA344NA/3K suitable for audio applications?
Yes, it is well-suited for audio applications due to its high signal quality and low noise. - Can the OPA344NA/3K be used in data acquisition systems?
Yes, it is ideal for data acquisition systems due to its precision and low noise. - What is the input offset voltage of the OPA344NA/3K?
The input offset voltage is typically ±1mV. - Is the OPA344NA/3K RoHS compliant?
Yes, the OPA344NA/3K is RoHS compliant.
