Overview
The OPA333AIDCKRG4 from Texas Instruments is a micropower, high-precision 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 applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Low Offset Voltage | 10 µV (Maximum) |
| Zero Drift | 0.05 µV/°C (Maximum) |
| 0.01-Hz to 10-Hz Noise | 1.1 µV |
| Quiescent Current | 17 µA |
| Supply Voltage | 1.8 V to 5.5 V |
| Operating Temperature Range | -40°C to 125°C |
| Package Types | SC70, SOT-23, SOIC |
| Input/Output | Rail-to-Rail Input/Output |
Key Features
- Low offset voltage of 10 µV (maximum) and near-zero drift over time and temperature.
- High-impedance inputs with a common-mode range 100 mV beyond the rails.
- Rail-to-rail output that swings within 50 mV of the rails.
- Single or dual supplies as low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V).
- Low quiescent current of 17 µA.
- Excellent CMRR without crossover associated with traditional complementary input stages.
- Available in micro-size packages: SC70 and SOT-23.
Applications
- Driving analog-to-digital converters (ADCs) without degradation of differential linearity.
- Low-voltage, single-supply systems.
- Precision instrumentation and measurement equipment.
- Medical devices requiring high precision and low power consumption.
- Industrial control systems and sensors.
Q & A
- What is the maximum offset voltage of the OPA333AIDCKRG4?
The maximum offset voltage is 10 µV.
- What is the zero drift specification of the OPA333AIDCKRG4?
The zero drift is 0.05 µV/°C (maximum).
- What is the quiescent current of the OPA333AIDCKRG4?
The quiescent current is 17 µA.
- What is the supply voltage range for the OPA333AIDCKRG4?
The supply voltage range is from 1.8 V to 5.5 V.
- What are the available package types for the OPA333AIDCKRG4?
The available package types are SC70, SOT-23, and SOIC.
- What is the operating temperature range for the OPA333AIDCKRG4?
The operating temperature range is from -40°C to 125°C.
- Does the OPA333AIDCKRG4 support rail-to-rail input/output?
- What is the common-mode range of the OPA333AIDCKRG4?
The common-mode range is 100 mV beyond the rails.
- Is the OPA333AIDCKRG4 suitable for driving ADCs?
- What are some typical applications of the OPA333AIDCKRG4?
Typical applications include precision instrumentation, medical devices, industrial control systems, and low-voltage single-supply systems.
