MAX738AEWE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low temperature coefficient
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Output Voltage Range: 1.2V to 5.0V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 300mV at 20mA
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX738AEWE+T has a total of 16 pins arranged as follows:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. VIN: Input Voltage
16. NC: No Connection

Functional Features

• High precision voltage reference with low temperature coefficient
• Low dropout voltage allows for efficient operation even with low input voltages
• Wide supply voltage range enables compatibility with various power sources
• Low quiescent current minimizes power consumption
• Stable output voltage over a wide temperature range

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low temperature coefficient ensures stability in varying temperatures - Low dropout voltage for efficient operation - Wide supply voltage range for versatility - Low quiescent current for reduced power consumption

Disadvantages: - Limited output voltage range (1.2V to 5.0V) - Not suitable for high current applications

Working Principles

The MAX738AEWE+T is a voltage reference IC that generates a stable and accurate output voltage. It utilizes a bandgap voltage reference circuit to provide a precise reference voltage regardless of changes in temperature or supply voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Detailed Application Field Plans

The MAX738AEWE+T is commonly used in various electronic applications where a stable and accurate voltage reference is required. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement instruments
5. Sensor calibration circuits
6. Battery-powered devices
7. Audio amplifiers

Detailed and Complete Alternative Models

1. MAX603ESA+: Similar voltage reference IC with adjustable output voltage and lower initial accuracy.
2. LT1236ACS8-5: Precision voltage reference IC with higher initial accuracy and lower temperature coefficient.
3. LM4040AIM3-2.5: Micropower shunt voltage reference IC with low dropout voltage and ultra-low quiescent current.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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