OPA2333 Amplificateur opérationnel de précision à faible offset, 5.5V, SOIC-8 - Texas Instruments

OPA2333 Precision Operational Amplifier – Product Description

Vue d'ensemble

The OPA2333 is a dual-channel, precision operational amplifier developed by Texas Instruments. It is part of the OPAx333 family, known for its ultra-low offset voltage, low noise, and low power consumption. The OPA2333 is designed to deliver high performance in precision analog applications, offering rail-to-rail input and output operation and zero-drift architecture for long-term stability and accuracy.

This amplifier is ideal for applications requiring high DC precision and low noise in a compact form factor. With its micro-power operation and low offset voltage, the OPA2333 is particularly suited for battery-powered and portable systems. The device is available in a variety of small package options, making it easy to integrate into space-constrained designs.

Technical Parameters

• Channels: 2 (Dual)
• Offset Voltage (Max): ±10 µV
• Offset Drift: 0.05 µV/°C (typical)
• Input Bias Current: 200 pA (typical)
• Gain Bandwidth Product: 350 kHz
• Slew Rate: 0.16 V/µs
• Supply Voltage Range: 1.8 V to 5.5 V
• Quiescent Current: 17 µA per amplifier (typical)
• Input Voltage Noise Density: 50 nV/√Hz at 1 kHz
• Common-Mode Rejection Ratio (CMRR): 114 dB (typical)
• Power Supply Rejection Ratio (PSRR): 114 dB (typical)
• Type de sortie : Rail-to-rail
• Operating Temperature Range: -40°C à +125°C
• Package Options: SOIC-8, VSSOP-8, MSOP-8, and others

Applications typiques

• Medical Instrumentation: The OPA2333’s low offset and drift make it ideal for precision signal conditioning in medical devices such as ECG and blood pressure monitors.
• Portable and Battery-Powered Devices: With its low quiescent current and wide supply range, the OPA2333 is well-suited for battery-operated systems, including handheld meters and data loggers.
• Sensor Signal Conditioning: The amplifier’s high CMRR and low input bias current make it suitable for interfacing with high-impedance sensors such as thermocouples and strain gauges.
• Industrial Process Control: The OPA2333 provides accurate signal amplification in harsh environments, supporting long-term stability and reliability in control systems.
• Test and Measurement Equipment: Its precision characteristics support high-accuracy measurements in laboratory and field instruments.

Texas Instruments Brand Information

Texas Instruments (TI) is a global leader in the design and manufacture of analog and embedded processing semiconductors. With decades of experience and innovation, TI provides high-performance solutions that power a wide range of electronic systems. The OPA2333 is part of TI’s extensive portfolio of precision amplifiers, reflecting the company’s commitment to quality, reliability, and performance.

TI supports its products with comprehensive documentation, design tools, and technical resources to help engineers accelerate development and bring products to market faster. The OPA2333 benefits from TI’s rigorous testing and quality assurance processes, ensuring consistent performance across a wide range of applications.

Foire aux questions (FAQ)

1. What is the maximum offset voltage of the OPA2333?

The maximum offset voltage of the OPA2333 is ±10 µV, making it suitable for high-precision applications that require minimal error over time and temperature.

2. Can the OPA2333 operate with a single supply voltage?

Yes, the OPA2333 can operate with a single supply voltage ranging from 1.8 V to 5.5 V. It also supports dual-supply operation within the same voltage range, offering flexibility in system design.

3. What packaging options are available for the OPA2333?

The OPA2333 is available in several compact package options, including SOIC-8, VSSOP-8, and MSOP-8. These packages are designed to support space-constrained applications while maintaining high performance.