MAX6738XKTD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: SOT23-6
• Essence: Provides a stable reference voltage for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV at 10mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6738XKTD3+T has a total of six pins arranged as follows:

1. GND: Ground pin
2. VOUT: Output voltage pin
3. NC: No connection pin
4. TRIM: Trimming pin for fine-tuning the output voltage
5. IN: Input voltage pin
6. SHDN: Shutdown control pin

Functional Features

• High Precision: The MAX6738XKTD3+T offers excellent initial accuracy of ±0.2%, ensuring reliable voltage references.
• Low Dropout Voltage: With a dropout voltage of only 200mV at 10mA, this IC minimizes power loss and is suitable for low-power applications.
• Low Quiescent Current: The quiescent current of 45µA helps conserve power and extends battery life in portable devices.

Advantages and Disadvantages

Advantages

• High precision ensures accurate voltage references.
• Low dropout voltage reduces power dissipation.
• Low quiescent current prolongs battery life.
• Small package size (SOT23-6) allows for space-efficient designs.
• Shutdown control feature enables power-saving mode.

Disadvantages

• Limited output voltage options (fixed at 2.5V).
• Not suitable for applications requiring adjustable output voltage.

Working Principles

The MAX6738XKTD3+T is a shunt voltage reference IC that generates a stable 2.5V output voltage. It utilizes a bandgap voltage reference circuit to provide accurate and reliable voltage references. The trimming pin (TRIM) allows fine-tuning of the output voltage if necessary. The shutdown control pin (SHDN) can be used to disable the device, reducing power consumption when not in use.

Detailed Application Field Plans

The MAX6738XKTD3+T is widely used in various electronic applications that require a stable voltage reference. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Sensor circuits
6. Precision instrumentation

Detailed and Complete Alternative Models

1. MAX6037AAUK25-T: 2.5V, SOT23-5 package, ±0.5% initial accuracy.
2. LT1460HCS3-2.5#PBF: 2.5V, SOT23-3 package, ±0.1% initial accuracy.
3. REF3030AIDBZT: 2.5V, SOT23-3 package, ±0.05% initial accuracy.

These alternative models offer similar functionality and can be considered as substitutes for the MAX6738XKTD3+T depending on specific requirements.

In conclusion, the MAX6738XKTD3+T is a high-precision voltage reference IC with low dropout voltage and quiescent current. Its small package size and shutdown control feature make it suitable for various electronic applications. However, its fixed output voltage and limited adjustability may be a drawback in certain scenarios.