Overview
The OPA333AIDBVR is a micropower, high-precision CMOS operational amplifier produced by Texas Instruments. This device is part of the OPAx333 series, which utilizes a proprietary auto-calibration technique to provide very low offset voltage and near-zero drift over time and temperature. The OPA333AIDBVR is optimized for low-voltage, single-supply operation and is available in a compact 5-pin SOT-23 package. It is designed to offer high-impedance inputs with a common-mode range extending 100 mV beyond the supply rails and rail-to-rail output that swings within 50 mV of the rails.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 5-pin SOT-23 (DBV) |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 1.8 V to 5.5 V |
| Quiescent Current | 17 µA |
| Offset Voltage | 10 µV (Maximum) |
| Zero Drift | 0.05 µV/°C (Maximum) |
| Noise (0.01 Hz to 10 Hz) | 1.1 µV PP |
| Input/Output | Rail-to-Rail |
| Common-Mode Rejection Ratio (CMRR) | 102 dB to 130 dB |
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 with Common-Mode Range 100 mV beyond the Rails
- Excellent Common-Mode Rejection Ratio (CMRR) without Crossover
- Microsize Packages: SC70 and SOT23
Applications
- Transducer Applications
- Temperature Measurements
- Electronic Scales
- Medical Instrumentation
- Battery-Powered Instruments
- Handheld Test Equipment
- Driving Analog-to-Digital Converters (ADCs) without Degradation of Differential Linearity
Q & A
- What is the maximum offset voltage of the OPA333AIDBVR?
The maximum offset voltage is 10 µV.
- What is the zero drift specification of the OPA333AIDBVR?
The zero drift is 0.05 µV/°C (Maximum).
- What is the quiescent current of the OPA333AIDBVR?
The quiescent current is 17 µA.
- What is the supply voltage range for the OPA333AIDBVR?
The supply voltage range is from 1.8 V to 5.5 V.
- Does the OPA333AIDBVR support rail-to-rail input/output?
Yes, it supports rail-to-rail input/output.
- What are the common applications of the OPA333AIDBVR?
Common applications include transducer applications, temperature measurements, electronic scales, medical instrumentation, battery-powered instruments, and handheld test equipment.
- What package types are available for the OPA333AIDBVR?
The OPA333AIDBVR is available in 5-pin SOT-23 (DBV) and other microsize packages like SC70.
- What is the operating temperature range of the OPA333AIDBVR?
The operating temperature range is from -40°C to 125°C.
- How does the OPA333AIDBVR perform in terms of common-mode rejection ratio (CMRR)?
The OPA333AIDBVR offers excellent CMRR without the crossover associated with traditional complementary input stages, providing superior performance for driving ADCs.
- Is the OPA333AIDBVR suitable for low-voltage single-supply operation?
Yes, it is optimized for low-voltage single-supply operation.
