MAX6138CEXR21+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low noise, low dropout voltage
• Package: SOT23-3
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.1V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Supply Voltage Range: 2.5V to 12V
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6138CEXR21+T has three pins:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• High Precision: The MAX6138CEXR21+T offers excellent initial accuracy of ±0.2% and low temperature coefficient of 50ppm/°C, ensuring precise voltage references.
• Low Noise: This IC provides a low noise output, making it suitable for sensitive analog circuits.
• Low Dropout Voltage: With a dropout voltage of only 200mV, the MAX6138CEXR21+T can operate efficiently even with low input voltages.
• Wide Supply Voltage Range: It can work within a supply voltage range of 2.5V to 12V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High precision and low noise output - Low dropout voltage allows efficient operation at low input voltages - Wide supply voltage range provides versatility

Disadvantages: - Limited output voltage options (only 2.1V) - SOT23-3 package may not be suitable for all applications

Working Principles

The MAX6138CEXR21+T is based on a bandgap reference circuit that generates a stable voltage reference regardless of changes in temperature and supply voltage. It utilizes a combination of bipolar and CMOS technologies to achieve high precision and low noise characteristics.

Detailed Application Field Plans

The MAX6138CEXR21+T can be used in various electronic applications, including but not limited to: - Precision analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Battery-powered devices - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6138CEXR21+T are:

1. LT1236ACS8-2.1: Low Dropout Precision Voltage Reference, 2.1V Output, SOT-23 Package.
2. REF102CU: Precision Voltage Reference, 2.048V Output, TO-99 Package.
3. LM4040AIM3-2.1: Precision Micropower Shunt Voltage Reference, 2.1V Output, SOT-23 Package.

These alternatives provide comparable precision, low noise, and voltage reference capabilities, catering to different application requirements.

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