MAX6385XS19D4-T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Reference
• Characteristics:
  • High precision
  • Low temperature coefficient
  • Low dropout voltage
• Package: SOT-23-3
• Essence: This product is a voltage reference IC used to provide a stable and accurate voltage reference for various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Voltage Reference Type: Fixed
• Output Voltage: 1.9V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 2.7V to 5.5V
• Quiescent Current: 45µA

Pin Configuration

The MAX6385XS19D4-T has three pins arranged as follows:

```

---

| | --| V+ |-- --| |-- |____| ```

• Pin 1: V+ (Input Voltage)
• Pin 2: GND (Ground)
• Pin 3: VOUT (Output Voltage)

Functional Features

• Provides a stable and accurate voltage reference of 1.9V.
• High precision and low temperature coefficient ensure reliable performance.
• Low dropout voltage minimizes power dissipation.
• Wide operating temperature range allows for use in various environments.
• Low quiescent current makes it suitable for battery-powered applications.

Advantages

• High accuracy and stability ensure precise voltage references.
• Low temperature coefficient reduces the impact of temperature variations.
• Low dropout voltage minimizes power consumption.
• Small package size (SOT-23-3) allows for space-saving designs.
• Wide operating temperature range enables versatile applications.

Disadvantages

• Fixed output voltage limits flexibility in certain applications.
• Limited input voltage range may not be suitable for all designs.
• SOT-23-3 package may require additional precautions during assembly.

Working Principles

The MAX6385XS19D4-T utilizes a bandgap voltage reference circuit to generate a stable 1.9V output voltage. This circuit compensates for temperature variations, ensuring accurate voltage references across a wide temperature range. The low dropout voltage allows the IC to operate even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX6385XS19D4-T can be used in various electronic circuits that require a precise and stable voltage reference. Some potential application fields include:

1. Battery-powered devices: Provides a reliable voltage reference for battery monitoring circuits.
2. Analog-to-Digital Converters (ADCs): Ensures accurate conversion by providing a stable reference voltage.
3. Voltage regulators: Used as a reference for regulating output voltages in power supply circuits.
4. Sensor interfaces: Provides a stable reference voltage for sensor calibration and signal conditioning.

Detailed and Complete Alternative Models

1. MAX6385XS19D3-T: Similar to MAX6385XS19D4-T but with a different output voltage of 1.8V.
2. MAX6385XS19D5-T: Similar to MAX6385XS19D4-T but with a different output voltage of 2.0V.
3. MAX6385XS19D6-T: Similar to MAX6385XS19D4-T but with a different output voltage of 2.1V.

These alternative models offer different output voltage options while maintaining similar characteristics and package options.

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