Overview
The OPA2333AIDRBT, produced by Texas Instruments, is a part of the OPAx333 series of CMOS operational amplifiers. These amplifiers utilize a proprietary auto-calibration technique to provide very low offset voltage and near-zero drift over time and temperature. This makes them highly suitable for precision applications requiring low quiescent current and high accuracy. The OPA2333AIDRBT is a dual-channel version, optimized for low-voltage, single-supply operation, and is available in various package options including the 8-pin SOIC package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage (VOS) | 10 | µV (Maximum) |
| Offset Voltage Drift | 0.05 | µV/°C (Maximum) |
| Quiescent Current (Iq) per Channel | 17 | µA (Typical) |
| Supply Voltage | 1.8 V to 5.5 V | |
| Common-Mode Range | 100 mV beyond the rails | |
| Output Voltage Swing | Within 50 mV of the rails | |
| Operating Temperature Range | -40°C to 125°C | |
| Number of Channels | 2 | |
| Output Current (Typical) | 5 | mA |
| Package Type | 8-pin SOIC |
Key Features
- Low Offset Voltage: 10 µV (Maximum)
- Zero Drift: 0.05 µV/°C (Maximum)
- Low Quiescent Current: 17 µA per channel (Typical)
- Single-Supply Operation: 1.8 V to 5.5 V
- Rail-to-Rail Input and Output
- High-Impedance Inputs with a common-mode range 100 mV beyond the rails
- Excellent Common-Mode Rejection Ratio (CMRR) without crossover
- Optimized for low-voltage, single-supply operation
Applications
The OPA2333AIDRBT is particularly suited for applications requiring high precision and low power consumption. These include:
- Driving analog-to-digital converters (ADCs) without degradation of differential linearity
- Precision instrumentation and measurement systems
- Low-power medical devices and portable equipment
- Automotive and industrial control systems
- Audio and video processing where low noise and high accuracy are critical
Q & A
- What is the maximum input offset voltage of the OPA2333AIDRBT?
The maximum input offset voltage is 10 µV. - What is the typical quiescent current per channel for the OPA2333AIDRBT?
The typical quiescent current per channel is 17 µA. - What is the operating temperature range for the OPA2333AIDRBT?
The operating temperature range is -40°C to 125°C. - What is the common-mode range of the OPA2333AIDRBT?
The common-mode range is 100 mV beyond the rails. - Can the OPA2333AIDRBT operate on a single supply?
Yes, it can operate on a single supply from 1.8 V to 5.5 V. - What is the typical output current of the OPA2333AIDRBT?
The typical output current is 5 mA. - What package types are available for the OPA2333AIDRBT?
The OPA2333AIDRBT is available in an 8-pin SOIC package among others. - Is the OPA2333AIDRBT suitable for driving ADCs?
Yes, it is optimized for driving ADCs without degradation of differential linearity. - What is the offset voltage drift of the OPA2333AIDRBT?
The maximum offset voltage drift is 0.05 µV/°C. - Does the OPA2333AIDRBT have rail-to-rail input and output?
Yes, it has rail-to-rail input and output capabilities.
