MAX6191AESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: 8-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

• Voltage Reference Output: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6191AESA+T has the following pin configuration:

```

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| | --| VOUT GND|-- Pin 1: Ground --| VIN NC |-- Pin 2: No Connection --| NC NC |-- Pin 3: No Connection --| NC SHDN|-- Pin 4: Shutdown Control --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| NC VCC |-- Pin 8: Supply Voltage |___________| ```

Functional Features

• Provides a stable and accurate 2.5V voltage reference
• Low dropout voltage allows for efficient operation in low-power applications
• Low quiescent current minimizes power consumption
• Shutdown control feature enables power-saving mode when not in use
• Wide operating temperature range ensures reliable performance in various environments

Advantages and Disadvantages

Advantages: - High precision voltage reference - Low dropout voltage - Low quiescent current - Shutdown control feature for power-saving - Wide operating temperature range

Disadvantages: - Limited output voltage options (only 2.5V) - No built-in protection features (e.g., overvoltage, overcurrent)

Working Principles

The MAX6191AESA+T is a voltage reference IC that generates a stable and accurate 2.5V output voltage. It utilizes internal circuitry to maintain the desired voltage level regardless of changes in input voltage or load conditions. The low dropout voltage ensures efficient operation even when the input voltage is close to the output voltage. The low quiescent current minimizes power consumption, making it suitable for battery-powered applications. The shutdown control feature allows the device to enter a low-power mode when not in use, further reducing power consumption.

Detailed Application Field Plans

The MAX6191AESA+T can be used in various electronic applications that require a stable and accurate voltage reference. Some potential application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Sensor calibration circuits
6. Portable medical devices
7. Industrial automation equipment

Detailed and Complete Alternative Models

1. LT6654: Precision Voltage Reference with 0.05% initial accuracy and 50ppm/°C temperature coefficient.
2. LM4040: Shunt Voltage Reference with various output voltage options and low temperature drift.
3. REF102: Precision Voltage Reference with high initial accuracy and low output noise.
4. ADR4520: Ultralow Noise Voltage Reference with excellent long-term stability and low dropout voltage.

These alternative models offer similar functionality and can be considered as alternatives to the MAX6191AESA+T based on specific application requirements.

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