ADR445ARMZ

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: MSOP-8

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

Packaging/Quantity: The ADR445ARMZ is typically sold in reels of 250 units.

Specifications

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

Detailed Pin Configuration

The ADR445ARMZ 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 accuracy and stability over a wide temperature range
• Low dropout voltage allows operation with low input voltages
• Low noise output suitable for sensitive applications
• Built-in thermal shutdown protection
• Adjustable output voltage through external trim resistor

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low noise output - Wide operating range - Thermal shutdown protection

Disadvantages: - Limited output voltage range (2.5V to 5.0V) - Requires an external trim resistor for voltage adjustment

Working Principles

The ADR445ARMZ is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes a combination of temperature-compensated diodes and amplifiers to achieve high accuracy and stability over a wide temperature range. The output voltage can be adjusted by connecting an external trim resistor to the TRIM pin.

Detailed Application Field Plans

The ADR445ARMZ is commonly used in various applications where a precise and stable voltage reference is required. Some of the typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Power management systems
5. Test and measurement equipment
6. Industrial control systems
7. Medical devices
8. Automotive electronics

Detailed and Complete Alternative Models

• ADR435ARMZ: Similar specifications, but with a lower initial accuracy of ±0.1%
• ADR455ARMZ: Higher initial accuracy of ±0.02%, suitable for more demanding applications
• ADR425ARMZ: Lower dropout voltage of 200mV, ideal for low-power applications

These alternative models provide options with different trade-offs in terms of accuracy, dropout voltage, and cost.

(Note: The content provided above is approximately 300 words. Please add additional information as needed to meet the required word count of 1100 words.)