Overview
The OPA2333AIDRBTG4 is a high-precision, low-quiescent-current CMOS operational amplifier produced by Texas Instruments. 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 OPA2333 is designed for low-voltage, single-supply operation and is optimized for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | - | - | 10 | µV |
| Offset Voltage Drift (dVOS/dT) | - | - | 0.05 | µV/°C |
| Input Bias Current (IB) | - | - | 200 | pA |
| Quiescent Current (IQ) | - | 50 | - | µA |
| Supply Voltage Range | 1.8 | - | 5.5 | V |
| Common-Mode Voltage Range | VSS - 0.1 | - | VDD + 0.1 | V |
| Output Voltage Swing | VSS + 0.05 | - | VDD - 0.05 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | MSOP-8, SO-8, etc. | - |
Key Features
- Proprietary auto-calibration technique for very low offset voltage (10 µV max) and near-zero drift over time and temperature.
- High-impedance inputs with a common-mode range 100 mV beyond the supply rails.
- Rail-to-rail output that swings within 50 mV of the supply rails.
- Single or dual supplies as low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V).
- Excellent common-mode rejection ratio (CMRR) without crossover associated with traditional complementary input stages.
- Low quiescent current of 50 µA.
- No 1/f (flicker) noise.
Applications
- Precision dc control and measurement systems.
- Driving analog-to-digital converters (ADCs) without degradation of differential linearity.
- High-side voltage-to-current converters.
- Low-voltage, single-supply systems requiring high accuracy and low power consumption.
- Medical and industrial instrumentation.
- Automotive and aerospace applications where high precision and reliability are critical.
Q & A
- What is the input offset voltage of the OPA2333AIDRBTG4?
The input offset voltage is typically up to 10 µV.
- What is the operating temperature range of the OPA2333AIDRBTG4?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the OPA2333AIDRBTG4?
The supply voltage range is from 1.8 V to 5.5 V (±0.9 V to ±2.75 V).
- What is the quiescent current of the OPA2333AIDRBTG4?
The quiescent current is 50 µA.
- Does the OPA2333AIDRBTG4 have rail-to-rail input and output?
- What is the common-mode rejection ratio (CMRR) of the OPA2333AIDRBTG4?
The CMRR is excellent, without the crossover associated with traditional complementary input stages.
- Is the OPA2333AIDRBTG4 suitable for driving analog-to-digital converters (ADCs)?
- What are the package types available for the OPA2333AIDRBTG4?
The available package types include MSOP-8, SO-8, and others.
- How does the OPA2333AIDRBTG4 handle noise?
The device has no 1/f (flicker) noise.
- What are some typical applications of the OPA2333AIDRBTG4?
Typical applications include precision dc control, driving ADCs, high-side voltage-to-current converters, and low-voltage single-supply systems.
