Overview
The OPA2343EA/2K5 is a dual-channel operational amplifier (op-amp) produced by Texas Instruments. It is part of the OPA343 series, which is designed for low-cost, miniature applications. These op-amps are optimized for low-voltage operation and feature a rail-to-rail input and output design, making them suitable for a wide range of applications, including audio and general-purpose circuits. They are particularly well-suited for driving sampling Analog-to-Digital converters due to their high-speed operation and excellent dynamic response.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Channels | 2 | |
| Total Supply Voltage (max) | 5.5 | V |
| Total Supply Voltage (min) | 2.5 | V |
| Rail-to-Rail | In, Out | |
| Gain-Bandwidth Product (GBW) | 5.5 | MHz |
| Slew Rate | 6 | V/μs |
| Input Offset Voltage (Vos) at 25°C | 8 | mV |
| Quiescent Current per Channel (Iq) | 0.85 | mA |
| Input Voltage Noise at 1 kHz | 25 | nV√Hz |
| Operating Temperature Range | -40 to 85 | °C |
| Input Bias Current | 10 | pA |
| Common Mode Rejection Ratio (CMRR) | 92 | dB |
| Output Current | 0.05 | A |
| Architecture | CMOS | |
| Package/Case | 8-TSSOP, 8-MSOP |
Key Features
- Precise Voltage Control: The OPA2343EA/2K5 offers precise voltage control, which is essential for maintaining accuracy in various applications.
- Quick Settle Times: These op-amps ensure faster recovery times, which is crucial for high-speed operations and driving sampling Analog-to-Digital converters.
- Rail-to-Rail Input and Output: The rail-to-rail design allows for accurate signal reproduction and minimizes distortion, making it suitable for a wide range of signal processing tasks.
- Low Quiescent Current: With a quiescent current of 0.85 mA per channel, these op-amps are energy-efficient and suitable for battery-powered devices.
- High Dynamic Response: The op-amps have an excellent dynamic response, including a high slew rate and low noise, ensuring they can handle demanding applications effectively.
Applications
- Audio Circuits: The OPA2343EA/2K5 is well-suited for audio applications due to its low noise and high dynamic response.
- General-Purpose Circuits: Its versatility makes it a good choice for various general-purpose analog circuits.
- Sampling Analog-to-Digital Converters: The high-speed operation and rail-to-rail design make it particularly suitable for driving sampling Analog-to-Digital converters.
- Low-Voltage Systems: It is optimized for low-voltage operation, making it ideal for systems where power consumption needs to be minimized.
Q & A
- What is the number of channels in the OPA2343EA/2K5?
The OPA2343EA/2K5 is a dual-channel operational amplifier.
- What is the total supply voltage range for the OPA2343EA/2K5?
The total supply voltage range is from 2.5 V to 5.5 V.
- Does the OPA2343EA/2K5 have rail-to-rail input and output?
- What is the gain-bandwidth product (GBW) of the OPA2343EA/2K5?
The GBW is 5.5 MHz.
- What is the slew rate of the OPA2343EA/2K5?
The slew rate is 6 V/μs.
- What is the input offset voltage (Vos) at 25°C for the OPA2343EA/2K5?
The input offset voltage is 8 mV.
- What is the quiescent current per channel for the OPA2343EA/2K5?
The quiescent current per channel is 0.85 mA.
- What is the operating temperature range for the OPA2343EA/2K5?
The operating temperature range is from -40°C to 85°C.
- What is the common mode rejection ratio (CMRR) of the OPA2343EA/2K5?
The CMRR is 92 dB.
- In what package types is the OPA2343EA/2K5 available?
The OPA2343EA/2K5 is available in 8-TSSOP and 8-MSOP packages.
