Overview
The OPA343UA/2K5G4 is a part of the OPA343 series of rail-to-rail CMOS operational amplifiers produced by Texas Instruments. These amplifiers are designed for low-cost, miniature applications and are optimized for low-voltage, single-supply operation. They feature high-speed operation, making them ideal for various applications including driving sampling Analog-to-Digital (A/D) converters, general-purpose use, and audio processing.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 5.5 MHz |
| Slew Rate | 6 V/µs |
| Total Harmonic Distortion + Noise (THD+Noise) | 0.0007% (f = 1 kHz) |
| Quiescent Current | 850 µA/channel |
| Input Common-Mode Voltage Range | Extends 500 mV beyond the supply rails |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 8-SOIC |
Key Features
- Rail-to-rail input and output
- High-speed operation with a bandwidth of 5.5 MHz and a slew rate of 6 V/µs
- Low total harmonic distortion + noise (THD+Noise) of 0.0007% at 1 kHz
- Low quiescent current of 850 µA per channel
- Input common-mode voltage range extends 500 mV beyond the supply rails
- Available in single, dual, and quad versions
- MicroSIZE packages for compact designs
Applications
- Driving sampling Analog-to-Digital (A/D) converters
- PCMCIA cards
- Data acquisition
- Audio processing
- Communications
- Active filters
- Test equipment
Q & A
- What is the bandwidth of the OPA343UA/2K5G4 operational amplifier?
The bandwidth of the OPA343UA/2K5G4 is 5.5 MHz. - What is the slew rate of this amplifier?
The slew rate is 6 V/µs. - What is the total harmonic distortion + noise (THD+Noise) at 1 kHz?
The THD+Noise at 1 kHz is 0.0007%. - What is the quiescent current per channel?
The quiescent current per channel is 850 µA. - What is the input common-mode voltage range of the OPA343UA/2K5G4?
The input common-mode voltage range extends 500 mV beyond the supply rails. - In what temperature range can the OPA343UA/2K5G4 operate?
The operating temperature range is -40°C to 85°C. - What package types are available for the OPA343UA/2K5G4?
The OPA343UA/2K5G4 is available in 8-SOIC packages. - Is the OPA343UA/2K5G4 suitable for new designs?
No, Texas Instruments does not recommend using this part in new designs; it is in production to support existing customers only. - What are some common applications of the OPA343UA/2K5G4?
Common applications include driving A/D converters, PCMCIA cards, data acquisition, audio processing, communications, active filters, and test equipment. - Are there different versions of the OPA343 available?
Yes, the OPA343 is available in single, dual, and quad versions.
