REF195GSZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High accuracy - Low temperature coefficient - Low dropout voltage - Low quiescent current

Package: SOT-23-3

Essence: The REF195GSZ is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The REF195GSZ is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.225V to 5.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA

Pin Configuration

The REF195GSZ has a three-pin configuration:

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

Functional Features

• High precision voltage reference
• Stable output voltage over a wide range of operating conditions
• Low power consumption
• Fast start-up time
• Low output noise

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low temperature coefficient ensures consistent performance across varying temperatures - Low dropout voltage allows for efficient operation in low-power applications - Low quiescent current minimizes power consumption

Disadvantages: - Limited output voltage range - Sensitive to input voltage fluctuations

Working Principles

The REF195GSZ utilizes a bandgap voltage reference circuit to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature sensor and feedback mechanism. The internal circuitry ensures a low dropout voltage and low quiescent current, making it suitable for battery-powered applications.

Detailed Application Field Plans

The REF195GSZ is commonly used in various electronic systems that require a stable and accurate voltage reference. Some typical 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

Detailed and Complete Alternative Models

1. REF192GSZ: Similar specifications, but with a lower initial accuracy of ±0.1%
2. REF198GSZ: Higher initial accuracy of ±0.02%, suitable for more demanding applications
3. REF194GSZ: Lower quiescent current of 40µA, ideal for ultra-low power designs

These alternative models offer different trade-offs in terms of accuracy, power consumption, and cost, allowing designers to choose the most suitable option for their specific requirements.

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