AD680JTZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low temperature coefficient, low dropout voltage
• Package: TO-92
• Essence: Precision voltage reference
• Packaging/Quantity: 1000 pieces per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4V to 30V

Detailed Pin Configuration

The AD680JTZ has three pins:

1. VOUT: Output voltage pin
2. VIN: Input voltage pin
3. GND: Ground pin

Functional Features

• High precision: The AD680JTZ provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.1%.
• Low temperature coefficient: It exhibits a low temperature coefficient of 10ppm/°C, ensuring stable performance over a wide temperature range.
• Low dropout voltage: With a dropout voltage of only 200mV, it can operate efficiently even with low input voltages.
• Wide operating temperature range: The AD680JTZ can function reliably in temperatures ranging from -40°C to +85°C.
• Wide supply voltage range: It accepts a broad supply voltage range of 4V to 30V, making it versatile for various applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient ensures accurate performance across different temperatures - Low dropout voltage allows operation with low input voltages - Wide operating temperature and supply voltage ranges enhance versatility

Disadvantages: - Limited output voltage options (only 2.5V) - TO-92 package may not be suitable for all applications requiring higher power dissipation

Working Principles

The AD680JTZ is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor junctions to generate a stable and precise output voltage. The bandgap reference circuit compensates for temperature variations, ensuring that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The AD680JTZ is commonly used in various applications, including:

1. Precision measurement instruments: Its high precision and stability make it suitable for use in multimeters, data loggers, and other measurement devices.
2. Industrial control systems: The AD680JTZ can be employed in industrial automation systems, where accurate voltage references are crucial for precise control and monitoring.
3. Power supply circuits: It can serve as a voltage reference in power supply circuits, ensuring stable and reliable operation.
4. Analog-to-digital converters (ADC): The AD680JTZ provides a precise reference voltage for ADCs, enabling accurate conversion of analog signals into digital data.

Detailed and Complete Alternative Models

Some alternative models to the AD680JTZ include:

1. LM4040: A series of precision voltage references available in different output voltages and packages.
2. REF30xx: High-precision voltage references with low dropout voltage and excellent temperature stability.
3. MAX619: Ultra-low-power voltage references suitable for battery-powered applications.
4. LT665x: Precision shunt voltage references offering high accuracy and low temperature drift.

These alternative models provide similar functionality and can be considered depending on specific requirements and preferences.

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