REF102BUG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: TO-92

Essence: The REF102BUG4 is a voltage reference IC that provides a stable and accurate voltage output for various electronic applications.

Packaging/Quantity: Available in reels of 1000 units.

Specifications

• Output Voltage Range: 1.225V to 10V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 5ppm/°C
• Dropout Voltage: 200mV
• Output Noise Voltage: 2µVrms
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF102BUG4 IC has the following pin configuration:

```

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| | --| V+ |-- --| |-- --| OUT|-- --| |-- --| GND|-- |____| ```

Pin Descriptions: - V+: Positive supply voltage input - OUT: Voltage reference output - GND: Ground

Functional Features

• High precision voltage reference
• Stable output voltage over a wide temperature range
• Low temperature coefficient ensures minimal drift
• Low dropout voltage allows operation with low input voltages
• Low output noise for noise-sensitive applications

Advantages and Disadvantages

Advantages: - High accuracy and stability - Wide operating temperature range - Low dropout voltage - Low output noise - Compact TO-92 package

Disadvantages: - Limited output voltage range (1.225V to 10V) - Not suitable for high current applications

Working Principles

The REF102BUG4 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 ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF102BUG4 is commonly used in various electronic systems where a stable and accurate voltage reference is required. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Power management circuits
5. Sensor calibration circuits
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. REF102AIDBZ: SOT23-3 package, 1.225V to 10V output voltage range, ±0.05% initial accuracy.
2. REF102AU: SOIC-8 package, 1.225V to 10V output voltage range, ±0.05% initial accuracy, extended temperature range (-40°C to +125°C).
3. REF102CU: TO-99 package, 1.225V to 10V output voltage range, ±0.02% initial accuracy, low dropout voltage.

These alternative models offer similar functionality and performance to the REF102BUG4, providing options for different package types and improved specifications.

In conclusion, the REF102BUG4 is a high-precision voltage reference IC with excellent stability, low temperature coefficient, and low output noise. It finds applications in various electronic systems requiring accurate voltage references.