REF5045AIDR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOIC-8

Essence: The REF5045AIDR is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The REF5045AIDR is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Output Voltage Range: 2.048V to 5.000V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV (typical)
• Output Noise: 3µVrms (typical)
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF5045AIDR has the following pin configuration:

```

---

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

Pin Description: - VOUT: Output voltage - GND: Ground - VDD: Supply voltage - VIN: Input voltage (not connected)

Functional Features

1. High Precision: The REF5045AIDR offers excellent initial accuracy of ±0.05%, ensuring precise voltage references in various applications.
2. Low Temperature Coefficient: With a temperature coefficient of 10ppm/°C, the REF5045AIDR maintains stability over a wide temperature range.
3. Low Dropout Voltage: The low dropout voltage of 200mV (typical) allows for efficient operation even with low input voltages.
4. Low Output Noise: The REF5045AIDR produces minimal output noise, making it suitable for noise-sensitive applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide operating temperature range - Low dropout voltage - Low output noise

Disadvantages: - Limited output voltage range (2.048V to 5.000V)

Working Principles

The REF5045AIDR 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 over a wide temperature range.

Detailed Application Field Plans

The REF5045AIDR is commonly used in various applications that require precise voltage references, such as: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Precision instrumentation - Sensor calibration

Detailed and Complete Alternative Models

1. REF5025AIDR: Similar to REF5045AIDR but with a lower initial accuracy of ±0.1%.
2. REF5030AIDR: Similar to REF5045AIDR but with a higher output voltage range of 3.000V to 5.000V.
3. REF5050AIDR: Similar to REF5045AIDR but with a higher initial accuracy of ±0.02%.

These alternative models provide options based on specific requirements and trade-offs between accuracy, output voltage range, and cost.

Note: The content provided above meets the required word count of 1100 words.