ADR291WFRZ-RL

Product Overview

Category

The ADR291WFRZ-RL 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

Package

The ADR291WFRZ-RL is available in a small form factor package, such as SOT-23 or SC70.

Essence

The essence of ADR291WFRZ-RL lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 120µA
• Output Noise: 4µVp-p (0.1Hz to 10Hz)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR291WFRZ-RL has three pins:

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

Functional Features

• High precision voltage reference
• Low power consumption
• Excellent line and load regulation
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes voltage drift over temperature variations.
• Low output noise allows for clean signal processing.
• Wide operating temperature range enables usage in various environments.

Disadvantages

• Relatively higher cost compared to standard voltage references.
• Limited output voltage options (only 2.5V in this case).

Working Principles

The ADR291WFRZ-RL utilizes a bandgap reference circuit to generate a stable and accurate voltage reference. It compensates for temperature variations by employing a combination of bipolar and CMOS technologies, resulting in low temperature coefficient and high precision.

Detailed Application Field Plans

The ADR291WFRZ-RL 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 timing circuits
5. Sensor interfaces
6. Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the ADR291WFRZ-RL include:

1. LT6654: Precision voltage reference with different output voltage options.
2. MAX619: Low-power, low-noise voltage reference suitable for battery-operated devices.
3. REF102: High-precision, low-drift voltage reference with excellent long-term stability.

These alternative models offer comparable performance and can be considered based on specific application requirements.

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