REF3040AIDBZR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision voltage reference - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range

Package: SOT-23-3

Essence: The REF3040AIDBZR is a high-precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The REF3040AIDBZR is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 4.096V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 75mV
• Output Noise Voltage: 2µVrms
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The REF3040AIDBZR has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High precision: The REF3040AIDBZR provides a highly accurate output voltage of 4.096V with an initial accuracy of ±0.05%.
• Low temperature coefficient: It has a low temperature coefficient of 10ppm/°C, ensuring stability over a wide temperature range.
• Low dropout voltage: The dropout voltage of 75mV allows the IC to operate even when the input voltage is close to the output voltage.
• Low output noise: With an output noise voltage of 2µVrms, it ensures a clean and stable voltage reference signal.
• Wide operating temperature range: The REF3040AIDBZR can operate in a wide temperature range from -40°C to +125°C, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient ensures stability - Small package size allows for space-saving designs - Wide operating temperature range enables versatile applications

Disadvantages: - Limited output voltage options (only 4.096V) - SOT-23-3 package may require surface-mount soldering expertise

Working Principles

The REF3040AIDBZR is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a stable voltage reference. The internal circuitry compensates for temperature variations, ensuring accurate output voltage over a wide temperature range.

Detailed Application Field Plans

The REF3040AIDBZR finds applications in various electronic systems where a stable and precise voltage reference is required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement equipment
5. Sensor calibration circuits
6. Battery management systems

Detailed and Complete Alternative Models

1. REF3030AIDBZR: Similar to REF3040AIDBZR but with an output voltage of 3.0V.
2. REF3050AIDBZR: Similar to REF3040AIDBZR but with an output voltage of 5.0V.
3. REF3020AIDBZR: Similar to REF3040AIDBZR but with an output voltage of 2.0V.

These alternative models provide different output voltage options while maintaining similar characteristics and features as the REF3040AIDBZR.

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