ADR440ARMZ

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High accuracy - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating range

Package: SOT-23

Essence: ADR440ARMZ is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The ADR440ARMZ is available in a SOT-23 package and is typically sold in reels of 3000 units.

Specifications

• Output Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Supply Voltage Range: 2.7V to 18V
• Quiescent Current: 120µA
• Noise: 4µVp-p

Pin Configuration

The ADR440ARMZ has the following pin configuration:

```

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| | --| VOUT GND|-- --| VIN NC |-- |___________| ```

• VOUT: Output Voltage
• GND: Ground
• VIN: Input Voltage
• NC: No Connection

Functional Features

• High accuracy and stability over a wide temperature range
• Low temperature coefficient ensures minimal output voltage drift with temperature variations
• Low dropout voltage allows operation with low input-output voltage differentials
• Low noise output for applications requiring precise voltage references
• Wide supply voltage range enables compatibility with various power sources

Advantages

• Excellent accuracy and stability make it suitable for precision measurement and control systems
• Low temperature coefficient ensures reliable performance across varying environmental conditions
• Low dropout voltage enables efficient operation even with low input-output voltage differentials
• Low noise output is ideal for noise-sensitive applications
• Wide supply voltage range provides flexibility in power source selection

Disadvantages

• Relatively high quiescent current compared to some other voltage reference ICs
• Limited output voltage range may not be suitable for certain applications requiring higher voltages

Working Principles

The ADR440ARMZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It employs a combination of temperature-compensated diodes and amplifiers to achieve high precision and low temperature coefficient.

Detailed Application Field Plans

The ADR440ARMZ is commonly used in the following applications:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Medical equipment
5. Automotive electronics
6. Communication devices

Detailed and Complete Alternative Models

1. ADR441ARMZ: Similar to ADR440ARMZ but with an extended output voltage range of 0.5V to 5.0V.
2. ADR443ARMZ: Higher accuracy version of ADR440ARMZ with an initial accuracy of ±0.02%.
3. ADR445ARMZ: Ultra-low noise variant of ADR440ARMZ with a noise level of 1µVp-p.

These alternative models offer similar functionality with slight variations in specifications to cater to specific application requirements.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date details.

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