MAX637AEPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Reference

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

Package: 8-pin PDIP (Plastic Dual In-Line Package)

Essence: The MAX637AEPA+ is a voltage reference IC that provides a stable and accurate voltage output for various applications.

Packaging/Quantity: The MAX637AEPA+ is available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Output Voltage Range: 1.25V to 10V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 2.7V to 11V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX637AEPA+ has the following pin configuration:

```

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| | --| VOUT |-- --| GND |-- --| TRIM |-- --| NC |-- --| VCC |-- --| SHDN |-- --| REF |-- |___________| ```

Functional Features

1. High Precision: The MAX637AEPA+ offers excellent initial accuracy and low temperature coefficient, ensuring precise voltage references.
2. Low Dropout Voltage: With a dropout voltage of only 300mV, this IC can operate efficiently even with low input voltages.
3. Wide Operating Range: The supply voltage range of 2.7V to 11V allows for versatile usage in different electronic systems.
4. Shutdown Mode: The SHDN pin enables the device to enter a low-power shutdown mode, reducing power consumption when not in use.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient - Low dropout voltage - Wide operating range - Shutdown mode for power saving

Disadvantages: - Limited output voltage range (1.25V to 10V) - Not suitable for high current applications

Working Principles

The MAX637AEPA+ is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS circuitry to generate a stable voltage reference. The internal circuitry compensates for temperature variations, ensuring accurate output voltage across a wide temperature range.

Detailed Application Field Plans

The MAX637AEPA+ can be used in various applications, including but not limited to: 1. Precision analog-to-digital converters (ADCs) 2. Voltage regulators 3. Battery management systems 4. Data acquisition systems 5. Industrial control systems

Detailed and Complete Alternative Models

1. LM4040CIM3-5.0/NOPB - Texas Instruments
2. LT1004CZ-1.2#PBF - Analog Devices
3. REF3030AIDBZR - Texas Instruments
4. MCP1501T-29E/CHY - Microchip Technology
5. TS431IZT - STMicroelectronics

These alternative models offer similar functionality and can be considered as substitutes for the MAX637AEPA+ in different applications.

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