Product Overview: REF1933AIDDCR from Texas Instruments

The REF1933AIDDCR is a high-precision voltage reference from Texas Instruments, renowned for its stability and accuracy in critical applications. This voltage reference is designed to be versatile and reliable, making it an ideal choice for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement devices.

Key Features

• Output Voltage: The REF1933AIDDCR provides a fixed output voltage of 3.3V, which is crucial for systems that require a stable reference voltage.
• Low Temperature Coefficient: With a low temperature coefficient, this device ensures minimal voltage fluctuation over a wide temperature range, maintaining its precision across various operating conditions.
• High Accuracy: The initial accuracy of the output voltage is high, which means that the device can be trusted to provide a consistent reference without the need for frequent recalibration.
• Low Dropout Voltage: It operates with a low dropout voltage, allowing the reference to remain stable even with minimal difference between the input voltage and the output voltage.
• Wide Operating Temperature Range: The REF1933AIDDCR is designed to function effectively across a broad temperature range, ensuring reliability in diverse environments.

Applications

The REF1933AIDDCR is suited for a variety of applications that require high precision and stability. It is commonly used in:

• Data acquisition systems
• Portable and battery-powered equipment
• Industrial control systems
• Medical devices
• Automotive electronics

Product Specifications

The REF1933AIDDCR comes in a compact SOT-23-3 package, making it easy to integrate into space-constrained designs. It has a wide input voltage range and a low quiescent current, which helps in reducing power consumption for battery-powered applications. The device also features excellent load regulation, contributing to its ability to maintain a stable output voltage despite variations in load current.

Manufacturer: Texas Instruments<br> Product Category: Voltage References<br> RoHS: Details<br> Mounting Style: SMD/SMT<br> Package / Case: SOT-23-3<br> Reference Type: Series - Fixed<br> Output Voltage: 3.3 V<br> Initial Accuracy: 0.2 %
Temperature Coefficient: 35 PPM/°C<br> Series VREF - Input Voltage - Max: 5.5 V<br> Operating Temperature Range: -40 °C to +125 °C<br> Product: Voltage References<br>