ADR291GRZ-REEL7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low noise

Package: SOT-23

Essence: ADR291GRZ-REEL7 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR291GRZ-REEL7 is typically packaged in reels containing 3000 units.

Specifications

The ADR291GRZ-REEL7 has the following specifications:

• Output Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 120µA
• Output Current: 10mA

Pin Configuration

The ADR291GRZ-REEL7 has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• High precision voltage reference
• Stable output voltage over a wide range of operating conditions
• Low temperature coefficient ensures minimal drift with temperature changes
• Low dropout voltage allows for operation with low input voltages
• Low noise output for applications requiring precise voltage references

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low temperature coefficient - Low dropout voltage - Low noise output

Disadvantages: - Limited output current capability (10mA) - Restricted input voltage range (2.7V to 5.5V)

Working Principles

The ADR291GRZ-REEL7 utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains constant even with changes in temperature.

Detailed Application Field Plans

The ADR291GRZ-REEL7 is commonly used in various applications, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered devices
6. Medical instruments

Detailed and Complete Alternative Models

1. ADR292GRZ-REEL7: Similar to ADR291GRZ-REEL7 but with a higher output current capability of 20mA.
2. ADR293GRZ-REEL7: Offers a wider input voltage range of 1.8V to 5.5V while maintaining similar characteristics to ADR291GRZ-REEL7.
3. ADR294GRZ-REEL7: Provides an adjustable output voltage range from 1.2V to 18V, suitable for applications requiring variable voltage references.

These alternative models offer different specifications and features to cater to specific application requirements.

In conclusion, the ADR291GRZ-REEL7 is a high-precision voltage reference IC with low temperature coefficient, low dropout voltage, and low noise output. It finds applications in various fields, including precision measurement, data acquisition, industrial control, and portable electronics. Alternative models with different specifications are available to suit specific needs.