ADR291GT9Z

Product Overview

Category

ADR291GT9Z belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range
• Low power consumption

Package

ADR291GT9Z is available in a small surface-mount package, typically SOT-23.

Essence

The essence of ADR291GT9Z lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

ADR291GT9Z is commonly packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 60µA

Detailed Pin Configuration

ADR291GT9Z has three pins:

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

Functional Features

• High precision voltage reference
• Low power consumption
• Wide supply voltage range
• Excellent temperature stability
• Low output noise

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Wide operating temperature range allows usage in extreme environments.
• Low power consumption helps conserve energy.
• Low output noise ensures clean voltage reference signals.

Disadvantages

• Limited output voltage options (only 2.5V).
• Relatively higher cost compared to some other voltage references.

Working Principles

ADR291GT9Z utilizes bandgap reference technology to generate a stable and accurate voltage output. It compensates for temperature variations by employing a combination of bipolar and CMOS transistor circuits, resulting in low temperature coefficient and high precision.

Detailed Application Field Plans

ADR291GT9Z finds applications in various fields, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Oscillators and timers
5. Sensor interfaces
6. Battery-powered devices
7. Industrial control systems
8. Medical equipment
9. Automotive electronics
10. Communication systems

Detailed and Complete Alternative Models

Some alternative models to ADR291GT9Z include:

1. LT6654: Precision voltage reference with multiple output voltage options.
2. MAX619: Low-power, low-noise voltage reference.
3. REF5050: High-accuracy, low-drift voltage reference.
4. LM4040: Micropower precision shunt voltage reference.
5. LT1021: Ultra-high precision voltage reference.

These alternatives offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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