AD7808BRZ

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low power consumption - Wide operating voltage range

Package: SOIC (Small Outline Integrated Circuit)

Essence: The AD7808BRZ is a voltage reference IC that provides a stable and accurate voltage output for various applications.

Packaging/Quantity: The AD7808BRZ is available in a standard SOIC package. It is typically sold in reels of 250 units.

Specifications

• Output Voltage Range: 1.2V to 10V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 5ppm/°C
• Supply Voltage Range: 2.7V to 36V
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The AD7808BRZ has a total of 8 pins, which are assigned specific functions:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. VIN: Input Voltage
8. VDD: Power Supply Voltage

Functional Features

• High accuracy and stability: The AD7808BRZ provides a highly accurate and stable output voltage, making it suitable for precision applications.
• Low temperature coefficient: The low temperature coefficient ensures minimal voltage drift over a wide temperature range.
• Low power consumption: The IC operates with low quiescent current, minimizing power consumption.
• Wide operating voltage range: The AD7808BRZ can operate within a wide supply voltage range, providing flexibility in various systems.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Low power consumption - Wide operating voltage range

Disadvantages: - Limited output voltage range (1.2V to 10V)

Working Principles

The AD7808BRZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The AD7808BRZ is commonly used in various applications, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Medical equipment
5. Communication devices

Alternative Models

Here are some alternative models that can be considered as replacements for the AD7808BRZ:

1. LT6657: Precision Voltage Reference IC
2. MAX6190: Low-Power Voltage Reference IC
3. REF5025: High-Precision Voltage Reference IC
4. LM4040: Shunt Voltage Reference IC

These alternative models offer similar features and performance characteristics, providing options for different design requirements.

In conclusion, the AD7808BRZ is a high-precision voltage reference IC with low temperature coefficient and low power consumption. Its wide operating voltage range and stable output make it suitable for various applications in different industries.