Overview
The OPA4340UA/2K5 is a quad, single-supply, rail-to-rail, low-power operational amplifier produced by Texas Instruments. It is part of the OPA340 series, which is optimized for low-voltage, single-supply operation. The device features rail-to-rail input and output, making it ideal for various applications including driving sampling analog-to-digital (A/D) converters, general-purpose use, and audio applications. It also supports I/V conversion at the output of digital-to-analog (D/A) converters. The OPA4340UA/2K5 is available in a 14-pin SOIC (D) package and operates over a temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 14 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage | 2.5 to 5.5 | V |
| Input Offset Voltage | ±150 to ±500 | µV |
| Input Bias Current | ±0.2 to ±10 | pA |
| Common-Mode Voltage Range | -0.3 to (V+) + 0.3 | V |
| Gain-Bandwidth Product | 5.5 | MHz |
| Slew Rate | 6 | V/µs |
| Quiescent Current per Channel | 750 | µA |
| Output Voltage Swing | Within 1 mV of supply rails | - |
Key Features
- Rail-to-Rail Input and Output: The OPA4340UA/2K5 features rail-to-rail input and output, allowing for operation close to the supply rails.
- Micro Size Packages: Available in space-saving packages such as the 14-pin SOIC (D) and 16-pin SSOP.
- Wide Bandwidth and High Slew Rate: Offers a bandwidth of 5.5 MHz and a slew rate of 6 V/µs, ensuring high-speed operation.
- Low THD + Noise: Features a low total harmonic distortion plus noise of 0.0007% at 1 kHz.
- Low Quiescent Current: Each channel consumes only 750 µA, making it power-efficient.
- Single, Dual, and Quad Versions: Available in single, dual, and quad configurations for design flexibility.
Applications
- Driving A/D Converters: Ideal for driving sampling analog-to-digital converters due to its high-speed and rail-to-rail capabilities.
- PCMCIA Cards: Suitable for use in PCMCIA cards and other compact devices.
- Data Acquisition: Used in data acquisition systems for precise signal processing.
- Process Control: Applied in process control systems for accurate and reliable signal handling.
- Audio Processing: Well-suited for audio applications due to its low noise and distortion characteristics.
- Communications: Used in various communication systems requiring high-speed and low-power operation.
- Active Filters: Employed in active filter designs for their high bandwidth and slew rate.
- Test Equipment: Utilized in test equipment for precise signal measurement and analysis.
Q & A
- What is the operating temperature range of the OPA4340UA/2K5?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the OPA4340UA/2K5?
The supply voltage range is from 2.5 V to 5.5 V.
- What is the gain-bandwidth product of the OPA4340UA/2K5?
The gain-bandwidth product is 5.5 MHz.
- What is the slew rate of the OPA4340UA/2K5?
The slew rate is 6 V/µs.
- How much quiescent current does each channel of the OPA4340UA/2K5 consume?
Each channel consumes 750 µA.
- What are the key applications of the OPA4340UA/2K5?
Key applications include driving A/D converters, PCMCIA cards, data acquisition, process control, audio processing, communications, active filters, and test equipment.
- What package types are available for the OPA4340UA/2K5?
The OPA4340UA/2K5 is available in 14-pin SOIC (D) and 16-pin SSOP packages.
- What is the common-mode voltage range of the OPA4340UA/2K5?
The common-mode voltage range extends 500 mV below ground and 500 mV above the positive supply.
- Does the OPA4340UA/2K5 have a SPICE macromodel available?
Yes, a SPICE macromodel is available for design analysis.
- What is the output voltage swing of the OPA4340UA/2K5?
The output voltage swing is to within 1 mV of the supply rails with a 100-kΩ load.
