Overview
The TLV333IDBVR is a precision operational amplifier from Texas Instruments, part of the TLVx333 family. This device is known for its low offset voltage, zero drift, and rail-to-rail input and output capabilities. It is optimized for low-voltage operation, making it suitable for a wide range of applications, including battery-powered instruments, temperature measurements, and medical instrumentation. The TLV333IDBVR uses a proprietary auto-calibration technique to ensure low offset voltage and minimal drift over time and temperature, enhancing its precision and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 1.8 | 5.5 | V | |
| Input Offset Voltage (VOS) | 2 | 15 | µV | |
| Temperature Drift (dVOS/dT) | 0.02 | µV/°C | ||
| Input Bias Current (IB) | ±70 | ±150 | pA | |
| Quiescent Current (IQ) | 17 | 28 | µA | |
| Operating Temperature Range | –40 | 125 | °C | |
| Storage Temperature Range | –65 | 150 | °C | |
| Output Voltage Swing | 30 | 70 | mV | |
| Short-Circuit Current (ISC) | ±5 | mA |
Key Features
- Low Offset Voltage: 2 µV, ensuring high precision in applications.
- Zero Drift: 0.02 µV/°C, minimizing drift over temperature.
- Rail-to-Rail Input/Output: Allows the input and output to swing within 100 mV of the supply rails.
- Internal EMI Filtering: Reduces electromagnetic interference.
- Low Quiescent Current: 17-28 µA, suitable for battery-powered devices.
- High Impedance Inputs: Common-mode range extends 100 mV beyond the supplies.
- MicroSize Packages: Available in SOT23, SC70, and SOIC-8 packages.
- Unity-Gain Stable: Free from unexpected output phase reversal.
- Near-Flat 1/f Noise: Ideal for applications requiring low noise.
Applications
- Battery-Powered Instruments: Suitable for devices that require low power consumption.
- Temperature Measurements: Precise temperature sensing due to low drift and offset.
- Transducer Applications: Ideal for converting physical parameters into electrical signals.
- Electronic Scales: High precision required for accurate weight measurements.
- Medical Instrumentation: Used in medical devices where precision and reliability are critical.
- Handheld Test Equipment: Suitable for portable test equipment due to low power and small size.
- Current Sense: Used in current sensing applications requiring high precision.
Q & A
- What is the input offset voltage of the TLV333IDBVR?
The input offset voltage is typically 2 µV.
- What is the temperature drift of the TLV333IDBVR?
The temperature drift is 0.02 µV/°C.
- What is the operating voltage range of the TLV333IDBVR?
The operating voltage range is from 1.8 V to 5.5 V.
- What are the package options for the TLV333IDBVR?
It is available in SOT23, SC70, and SOIC-8 packages.
- What is the quiescent current of the TLV333IDBVR?
The quiescent current is between 17 µA and 28 µA.
- Is the TLV333IDBVR suitable for battery-powered devices?
Yes, it is optimized for low-voltage operation and has a low quiescent current, making it suitable for battery-powered devices.
- What is the common-mode range of the TLV333IDBVR?
The common-mode range extends 100 mV beyond the supply rails.
- Does the TLV333IDBVR have internal EMI filtering?
Yes, it has internal EMI filtering to reduce electromagnetic interference.
- What is the output voltage swing of the TLV333IDBVR?
The output voltage swing is within 100 mV of the supply rails.
- Is the TLV333IDBVR unity-gain stable?
Yes, it is unity-gain stable and free from unexpected output phase reversal.
