REF3325AIDBZR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low temperature coefficient
• Package: SOT-23-3
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV @ 10mA
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF3325AIDBZR is a three-pin device with the following pin configuration:

• Pin 1: VOUT (Output Voltage)
• Pin 2: GND (Ground)
• Pin 3: VIN (Input Voltage)

Functional Features

• High Precision: The REF3325AIDBZR provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.1%.
• Low Dropout Voltage: With a dropout voltage of only 200mV at 10mA load current, it minimizes power dissipation and extends battery life in portable devices.
• Low Temperature Coefficient: The temperature coefficient of ±50ppm/°C ensures stability over a wide range of operating temperatures.
• Wide Supply Voltage Range: It can operate from a supply voltage as low as 2.7V up to 12V, making it suitable for various applications.
• Low Quiescent Current: The quiescent current of 60µA ensures minimal power consumption when the device is in standby mode.

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage - Wide supply voltage range - Low quiescent current

Disadvantages: - Limited output voltage options (only 2.5V)

Working Principles

The REF3325AIDBZR is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable reference voltage. This voltage is then compared to an internal voltage divider network, resulting in a precise output voltage of 2.5V.

Detailed Application Field Plans

The REF3325AIDBZR finds applications in various electronic systems where a stable and accurate voltage reference is required. Some of the common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision instrumentation
5. Battery-powered devices
6. Sensor interfaces
7. Communication systems

Detailed and Complete Alternative Models

1. REF3025AIDBZT: Similar to REF3325AIDBZR but with an output voltage of 2.048V.
2. REF3030AIDBZT: Similar to REF3325AIDBZR but with an output voltage of 3.0V.
3. REF3040AIDBZT: Similar to REF3325AIDBZR but with an output voltage of 4.096V.
4. REF3050AIDBZT: Similar to REF3325AIDBZR but with an output voltage of 5.0V.

These alternative models provide different output voltage options while maintaining similar characteristics and package types.

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