Overview
The OPA343UA/2K5, produced by Texas Instruments, is a single-channel, rail-to-rail CMOS operational amplifier designed for low-cost, miniature applications. It is optimized for low-voltage, single-supply operation and features high-speed performance, making it suitable for a variety of applications including driving Analog-to-Digital (A/D) converters, audio processing, and general-purpose use.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 5.5 MHz |
| Slew Rate | 6 V/μs |
| Total Harmonic Distortion + Noise (THD+Noise) | 0.0007% at f = 1 kHz |
| Quiescent Current | 850 μA/channel |
| Input Common-Mode Voltage Range | Extends 500 mV beyond the supply rails |
| Package Type | 8-SOIC |
| RoHS Compliance | Yes |
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 f = 1 kHz
- Low quiescent current of 850 μA/channel
- Single, dual, and quad versions available
- Complementary input stage for extended input common-mode voltage range
Applications
- Driving 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/2K5? The bandwidth of the OPA343UA/2K5 is 5.5 MHz.
- What is the slew rate of the OPA343UA/2K5? The slew rate is 6 V/μs.
- What is the total harmonic distortion + noise (THD+Noise) of the OPA343UA/2K5? The THD+Noise is 0.0007% at f = 1 kHz.
- What is the quiescent current of the OPA343UA/2K5? The quiescent current is 850 μA/channel.
- What is the input common-mode voltage range of the OPA343UA/2K5? The input common-mode voltage range extends 500 mV beyond the supply rails.
- In what package is the OPA343UA/2K5 available? The OPA343UA/2K5 is available in an 8-SOIC package.
- Is the OPA343UA/2K5 RoHS compliant? Yes, the OPA343UA/2K5 is RoHS compliant.
- What are some typical applications of the OPA343UA/2K5? Typical applications include driving A/D converters, PCMCIA cards, data acquisition, audio processing, communications, active filters, and test equipment.
- Why is the OPA343UA/2K5 not recommended for new designs? The OPA343UA/2K5 is not recommended for new designs because it is in production to support existing customers, but Texas Instruments does not recommend using this part in new designs.
- What is the significance of the complementary input stage in the OPA343UA/2K5? The complementary input stage allows for an extended input common-mode voltage range, making it suitable for a wider range of input voltages.
