Overview
The OPA2340EA/2K5G4 is a dual, single-supply, rail-to-rail, low-power operational amplifier produced by Texas Instruments. This component is part of the OPA340 series, which is optimized for low-voltage operation and high-speed performance. The OPA2340EA/2K5G4 is housed in an 8-pin VSSOP (DGK) package, making it suitable for applications where space is limited. It operates over a wide temperature range from –40°C to +85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±150 | - | ±500 | µV |
| Input Bias Current (IB) | ±0.2 | - | ±10 | pA |
| Bandwidth (BW) | 5.5 | - | - | MHz |
| Slew Rate (SR) | 6 | - | - | V/µs |
| Output Voltage Swing | - | 1 | 5 | mV (from rail) |
| Quiescent Current | 750 | - | - | µA/channel |
| Operating Temperature Range | - | -40 | 85 | °C |
| Supply Voltage Range | - | 2.5 | 5.5 | V |
Key Features
- Rail-to-Rail Input and Output: The OPA2340EA/2K5G4 features rail-to-rail input and output, allowing the input common-mode voltage range to extend 500 mV below ground and 500 mV above the positive supply, and the output voltage swing to be within 1 mV of the supply rails with a 100-kΩ load.
- High-Speed Operation: With a bandwidth of 5.5 MHz and a slew rate of 6 V/µs, this amplifier offers excellent dynamic response.
- Low Quiescent Current: The device has a low quiescent current of 750 µA per channel, making it power-efficient.
- Low THD + Noise: The OPA2340EA/2K5G4 has a low total harmonic distortion plus noise (THD + Noise) of 0.0007% at 1 kHz.
- Micro-Size Packages: Available in miniature 8-pin VSSOP, SOIC, and PDIP packages, making it suitable for space-constrained applications.
- Single, Dual, and Quad Versions: The OPA340 series includes single, dual, and quad versions, offering design flexibility.
Applications
- Driving A/D Converters: Ideal for driving sampling analog-to-digital (A/D) converters due to its rail-to-rail input and output capabilities.
- General Purpose and Audio Applications: Suitable for general-purpose and audio applications where high dynamic response and low distortion are required.
- I/V Conversion at D/A Converters: Provides I/V conversion at the output of digital-to-analog (D/A) converters.
- Data Acquisition and Process Control: Used in data acquisition and process control systems where precision and speed are critical).
- Communications and Active Filters: Applicable in communications and active filter designs due to its high bandwidth and low noise characteristics).
Q & A
- What is the operating temperature range of the OPA2340EA/2K5G4?
The operating temperature range is from –40°C to +85°C).
- What is the typical bandwidth of the OPA2340EA/2K5G4?
The typical bandwidth is 5.5 MHz).
- What is the slew rate of the OPA2340EA/2K5G4?
The slew rate is 6 V/µs).
- What is the quiescent current per channel of the OPA2340EA/2K5G4?
The quiescent current per channel is 750 µA).
- What are the package options for the OPA2340EA/2K5G4?
The package options include 8-pin VSSOP, SOIC, and PDIP).
- Is the OPA2340EA/2K5G4 suitable for low-voltage applications?
Yes, it operates on a single supply as low as 2.5 V).
- What is the input offset voltage of the OPA2340EA/2K5G4?
The typical input offset voltage is ±150 µV, with a maximum of ±500 µV).
- Can the OPA2340EA/2K5G4 be used in audio applications?
Yes, it is suitable for audio applications due to its high dynamic response and low distortion).
- Does the OPA2340EA/2K5G4 have rail-to-rail input and output capabilities?
Yes, it features rail-to-rail input and output capabilities).
- What are some common applications of the OPA2340EA/2K5G4?
Common applications include driving A/D converters, general-purpose and audio applications, I/V conversion at D/A converters, data acquisition, process control, communications, and active filters).
