Overview
The OPA333AIDBVRG4, produced by Texas Instruments, is a high-precision, low-power CMOS operational amplifier. This device is part of the OPAx333 series, which utilizes a proprietary auto-calibration technique to achieve very low offset voltage and near-zero drift over time and temperature. The OPA333 is optimized for low-voltage, single-supply operation, making it suitable for a variety of precision analog applications.
Key Specifications
| Parameter | Value |
|---|---|
| Offset Voltage | 10 µV (Maximum) |
| Offset Drift | 0.05 µV/°C (Maximum) |
| Quiescent Current | 17 µA |
| Supply Voltage | 1.8 V to 5.5 V (±0.9 V to ±2.75 V) |
| Input Common-Mode Range | 100 mV beyond the supply rails |
| Output Stage | Rail-to-Rail, swings within 50 mV of the rails |
| Operating Temperature Range | -40°C to 125°C |
| Noise (0.01-Hz to 10-Hz) | 1.1 µV |
| Packages | 5-pin SOT-23, SOT, and 8-pin SOIC |
Key Features
- Low Offset Voltage: 10 µV (Maximum)
- Zero Drift: 0.05 µV/°C (Maximum)
- Low Quiescent Current: 17 µA
- Single-Supply Operation: 1.8 V to 5.5 V
- Rail-to-Rail Input/Output: High-impedance inputs and output swings within 50 mV of the rails
- Micro-Size Packages: Available in SOT-23, SOT, and SOIC packages
- Excellent CMRR: No crossover associated with traditional complementary input stages, ideal for driving ADCs
Applications
- Precision Analog Circuits: Suitable for applications requiring high dc accuracy and low drift
- Analog-to-Digital Converters (ADCs): Excellent CMRR ensures superior performance without degradation of differential linearity
- High-Side Voltage-to-Current Converters: Ideal for applications such as high-side current sensing and control
- Low-Voltage, Single-Supply Systems: Optimized for operation in low-voltage environments
Q & A
- What is the maximum offset voltage of the OPA333AIDBVRG4?
The maximum offset voltage is 10 µV
- What is the offset drift of the OPA333AIDBVRG4?
The offset drift is 0.05 µV/°C (Maximum)
- What is the quiescent current of the OPA333AIDBVRG4?
The quiescent current is 17 µA
- What is the supply voltage range for the OPA333AIDBVRG4?
The supply voltage range is 1.8 V to 5.5 V (±0.9 V to ±2.75 V)
- What is the input common-mode range of the OPA333AIDBVRG4?
The input common-mode range extends 100 mV beyond the supply rails
- What is the operating temperature range of the OPA333AIDBVRG4?
The operating temperature range is -40°C to 125°C
- What packages are available for the OPA333AIDBVRG4?
The device is available in 5-pin SOT-23, SOT, and 8-pin SOIC packages
- Is the OPA333AIDBVRG4 suitable for high-precision analog applications?
Yes, it is optimized for high-precision analog applications due to its low offset voltage and near-zero drift
- Can the OPA333AIDBVRG4 be used in low-voltage, single-supply systems?
Yes, it is optimized for low-voltage, single-supply operation
- What is the noise performance of the OPA333AIDBVRG4 in the 0.01-Hz to 10-Hz range?
The noise performance is 1.1 µV
