Overview
The OPA2343UA/2K5G4 from Texas Instruments is a low-power, rail-to-rail CMOS operational amplifier designed for various instrumentation and analog circuit applications. This dual-channel amplifier is part of the MicroAmplifier™ series and is known for its high performance, low power consumption, and compact packaging. It is suitable for use in digital oscilloscopes, handheld analyzers, and other instrumentation systems, offering improved signal integrity and noise reduction.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Number of Channels | 2 |
| Gain Bandwidth Product (Typ) | 5.5 MHz |
| Slew Rate (Typ) | 6 V/µs |
| Input Bias Current (Max) | 10 pA |
| Quiescent Current per Channel (Typ) | 850 µA |
| Output Current (Typ) | 50 mA |
| Input Offset Voltage (Max) | 8 mV |
| Common-Mode Rejection Ratio (Typ) | 92 dB |
| Operating Temperature Range | -40°C to 85°C |
| Total Supply Voltage (Min/Max) | 2.5V / 5.5V |
| Noise Voltage at 1 kHz (Typ) | 25 nV/√Hz |
Key Features
- Rail-to-Rail Input/Output: Allows the amplifier to operate with input and output voltages that extend to the supply rails.
- Low Power Consumption: Quiescent current of 850 µA per channel, making it suitable for battery-powered devices.
- High Input Impedance: Low input bias current and high input impedance reduce loading effects on the signal source.
- Good Common-Mode Rejection Ratio: CMRR of 92 dB (typical) ensures good rejection of common-mode signals.
- High Slew Rate and Bandwidth: Slew rate of 6 V/µs and gain bandwidth product of 5.5 MHz support high-frequency applications.
- Compact Packaging: Available in 8-SOIC packages, suitable for space-constrained designs.
Applications
- Digital Oscilloscopes: Used for signal amplification and conditioning in oscilloscope circuits.
- Handheld Analyzers: Suitable for portable analytical instruments due to its low power consumption and compact size.
- Data Acquisition Systems: Ideal for driving A/D converters and other data acquisition components.
- Audio Processing: Used in audio circuits requiring low noise and high fidelity.
- Communications and Test Equipment: Employed in various communication and test equipment applications requiring high performance amplifiers.
Q & A
- What is the package type of the OPA2343UA/2K5G4?
The OPA2343UA/2K5G4 is packaged in an 8-SOIC (0.154", 3.90mm Width) package.
- What is the typical gain bandwidth product of the OPA2343UA/2K5G4?
The typical gain bandwidth product is 5.5 MHz.
- What is the slew rate of the OPA2343UA/2K5G4?
The slew rate is 6 V/µs.
- What is the quiescent current per channel for the OPA2343UA/2K5G4?
The quiescent current per channel is typically 850 µA.
- What is the operating temperature range of the OPA2343UA/2K5G4?
The operating temperature range is -40°C to 85°C.
- Is the OPA2343UA/2K5G4 RoHS compliant?
- What are some common applications of the OPA2343UA/2K5G4?
- What is the input offset voltage of the OPA2343UA/2K5G4?
- What is the common-mode rejection ratio (CMRR) of the OPA2343UA/2K5G4?
- Can the OPA2343UA/2K5G4 operate on a single supply voltage?
