REF102APG4

Product Overview

• Category: Voltage Reference
• Use: Provides a stable voltage reference for precision analog circuits
• Characteristics: High accuracy, low temperature coefficient, low output noise
• Package: TO-99 metal can package
• Essence: Precision voltage reference
• Packaging/Quantity: Available in tubes of 25 units or reels of 500 units

Specifications

• Output Voltage: 5.0V ±0.05%
• Temperature Coefficient: 10ppm/°C (maximum)
• Output Noise Voltage: 2.5µVrms (typical)
• Supply Voltage Range: 7V to 40V
• Quiescent Current: 1.5mA (typical)

Detailed Pin Configuration

The REF102APG4 has a total of 8 pins:

1. VOUT: Output Voltage
2. NC: No Connection
3. GND: Ground
4. TRIM: Trim Terminal
5. NC: No Connection
6. VIN: Input Voltage
7. NC: No Connection
8. V+: Positive Supply Voltage

Functional Features

• High Accuracy: The REF102APG4 provides a precise and stable output voltage, ensuring accurate operation of analog circuits.
• Low Temperature Coefficient: With a maximum temperature coefficient of 10ppm/°C, the voltage reference remains stable over a wide temperature range.
• Low Output Noise: The device exhibits low output noise voltage, minimizing interference in sensitive applications.
• Wide Supply Voltage Range: The REF102APG4 operates within a supply voltage range of 7V to 40V, making it suitable for various power supply configurations.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low temperature coefficient - Low output noise - Wide supply voltage range

Disadvantages: - Limited package options - Relatively high quiescent current compared to some alternatives

Working Principles

The REF102APG4 utilizes a bandgap voltage reference circuit to generate a stable 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 REF102APG4 is commonly used in precision analog circuits that require a stable voltage reference. Some typical applications include:

1. Data acquisition systems
2. Instrumentation and measurement equipment
3. Precision voltage regulators
4. Analog-to-digital converters (ADCs)
5. Digital-to-analog converters (DACs)

Detailed and Complete Alternative Models

1. REF102AIDG4: SOIC-8 package, similar specifications
2. REF102AU: TO-92 package, lower accuracy but lower cost
3. REF102BPG4: TO-99 metal can package, higher accuracy and lower temperature coefficient

These alternative models offer different package options and varying levels of accuracy to suit specific application requirements.

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