Overview
The OPA340UA/2K5 is a single, rail-to-rail, low-power operational amplifier produced by Texas Instruments. This device is part of the OPA340 series, which is optimized for low-voltage, single-supply operation. The OPA340UA/2K5 is particularly suited for applications requiring high-speed operation, low power consumption, and rail-to-rail input and output capabilities. It is ideal for driving sampling analog-to-digital (A/D) converters, general-purpose applications, audio processing, and providing I/V conversion at the output of digital-to-analog (D/A) converters.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) - 8 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Quiescent Current (per amplifier) | 750 µA (typical), 950 µA (maximum at VS = 5V) |
| Bandwidth | 5.5 MHz |
| Slew Rate | 6 V/µs |
| Total Harmonic Distortion + Noise | 0.0007% (at f = 1 kHz) |
| Input Bias Current | 0.2 pA |
| Input Offset Voltage | 500 µV |
| Output Voltage Swing | Within 1 mV of the supply rails with a 100-kΩ load |
Key Features
- Rail-to-Rail Input and Output (within 1 mV of the supply rails)
- Micro-size packages (e.g., SOIC-8, SOT-23-5, DIP-8)
- Wide Bandwidth: 5.5 MHz
- High Slew Rate: 6 V/µs
- Low Total Harmonic Distortion + Noise: 0.0007% (at f = 1 kHz)
- Low Quiescent Current: 750 µA per channel
- Single, Dual, and Quad Versions available for design flexibility
Applications
- Driving sampling analog-to-digital (A/D) converters
- General-purpose applications
- Audio processing
- Providing I/V conversion at the output of digital-to-analog (D/A) converters
- PCMCIA cards
- Data acquisition
- Process control
- Communications
- Active filters
- Test equipment
Q & A
- What is the operating temperature range of the OPA340UA/2K5?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the OPA340UA/2K5?
The supply voltage range is 2.5 V to 5.5 V.
- What is the quiescent current of the OPA340UA/2K5?
The quiescent current is 750 µA per channel.
- What is the bandwidth of the OPA340UA/2K5?
The bandwidth is 5.5 MHz.
- What is the slew rate of the OPA340UA/2K5?
The slew rate is 6 V/µs.
- What is the total harmonic distortion + noise of the OPA340UA/2K5?
The total harmonic distortion + noise is 0.0007% at f = 1 kHz.
- What are the key applications of the OPA340UA/2K5?
Key applications include driving A/D converters, general-purpose use, audio processing, and providing I/V conversion for D/A converters.
- What are the available package types for the OPA340 series?
The available packages include SOIC-8, SOT-23-5, and DIP-8 for single versions.
- What is the input bias current of the OPA340UA/2K5?
The input bias current is 0.2 pA.
- What is the input offset voltage of the OPA340UA/2K5?
The input offset voltage is 500 µV.
