MAX6126B21+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX6126B21+ belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic applications.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range

Package

The MAX6126B21+ is available in a small SOT23 package, which is suitable for space-constrained designs.

Essence

The essence of the MAX6126B21+ lies in its ability to provide a highly accurate and stable voltage reference for precise measurements and reliable operation of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.02%
• Temperature Coefficient: 3ppm/°C (typical)
• Output Noise: 4µVp-p (0.1Hz to 10Hz)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX6126B21+ has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High precision voltage reference
• Low temperature coefficient ensures stability over a wide temperature range
• Low output noise for accurate measurements
• Wide operating temperature range allows for use in extreme environments

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Small package size for space-constrained designs
• Wide operating temperature range

Disadvantages

• Limited output voltage options
• Relatively high cost compared to other voltage references

Working Principles

The MAX6126B21+ utilizes a bandgap 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 ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The MAX6126B21+ finds applications in various fields, including:

1. Precision measurement instruments
2. Industrial automation systems
3. Medical devices
4. Aerospace and defense equipment
5. Communication systems
6. Audio equipment

Detailed and Complete Alternative Models

1. LT6657: Precision voltage reference with similar specifications and package options.
2. REF5050: High-precision voltage reference with adjustable output voltage.
3. LM4040: Low-cost voltage reference with good accuracy and stability.

These alternative models offer similar functionality and can be considered as substitutes for the MAX6126B21+ in different applications.

In conclusion, the MAX6126B21+ is a highly accurate and stable voltage reference suitable for precision electronic applications. Its low temperature coefficient, low output noise, and wide operating temperature range make it an ideal choice for demanding environments. While it has limited output voltage options and a relatively higher cost, there are alternative models available that offer similar functionality.