ADR445ARMZ-REEL7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: MSOP-8

Essence: The ADR445ARMZ-REEL7 is a high-precision voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The ADR445ARMZ-REEL7 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Output Voltage Range: 2.5V to 5.0V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 3ppm/°C
• Dropout Voltage: 300mV
• Noise: 4μVp-p
• Supply Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR445ARMZ-REEL7 has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. TRIM: Trim Pin for Fine Adjustment
5. NC: No Connection
6. VIN: Input Voltage
7. NC: No Connection
8. NC: No Connection

Functional Features

• High precision voltage reference with excellent initial accuracy.
• Low temperature coefficient ensures stability over a wide temperature range.
• Low dropout voltage allows operation with low input voltages.
• Low noise output for applications requiring minimal interference.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Stable performance over temperature variations - Low dropout voltage enables use in low voltage applications - Low noise output for sensitive applications

Disadvantages: - Limited output voltage range (2.5V to 5.0V) - Not suitable for high current applications

Working Principles

The ADR445ARMZ-REEL7 is based on a bandgap reference circuit that generates a stable voltage output. It utilizes temperature compensation techniques to minimize the effect of temperature variations on the output voltage. The IC operates by comparing an internal reference voltage with an external input voltage and adjusting the output voltage accordingly.

Detailed Application Field Plans

The ADR445ARMZ-REEL7 is commonly used in various precision measurement and control systems, including:

1. Industrial instrumentation
2. Medical equipment
3. Test and measurement devices
4. Data acquisition systems
5. Portable electronic devices

Detailed and Complete Alternative Models

1. ADR435ARMZ-REEL7: Similar specifications and package, but with a lower initial accuracy of ±0.1%.
2. ADR455ARMZ-REEL7: Higher initial accuracy of ±0.02%, but with a slightly higher temperature coefficient of 5ppm/°C.
3. ADR425ARMZ-REEL7: Lower dropout voltage of 200mV, suitable for ultra-low voltage applications.

These alternative models provide options with different trade-offs in terms of accuracy, temperature coefficient, and dropout voltage, allowing users to choose the most suitable voltage reference for their specific application requirements.

Word count: 409 words