AD7894ARZ-10

Product Overview

Category

AD7894ARZ-10 belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data.

Characteristics

• Resolution: 10 bits
• Sampling Rate: Up to 100 kSPS (thousand samples per second)
• Input Voltage Range: 0V to Vref
• Power Supply: 2.7V to 5.25V
• Low Power Consumption: 1.3mW at 3V
• Temperature Range: -40°C to +85°C

Package

AD7894ARZ-10 is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of AD7894ARZ-10 lies in its ability to accurately convert analog signals into digital form, making it suitable for various applications that require precise measurements.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 10 bits
• Sampling Rate: Up to 100 kSPS
• Input Voltage Range: 0V to Vref
• Power Supply Range: 2.7V to 5.25V
• Power Consumption: 1.3mW at 3V
• Temperature Range: -40°C to +85°C
• Integral Nonlinearity (INL): ±1 LSB (max)
• Differential Nonlinearity (DNL): ±1 LSB (max)

Detailed Pin Configuration

1. VDD: Power supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. VIN: Analog input voltage
5. CS: Chip select input
6. SCLK: Serial clock input
7. SDATA: Serial data output
8. DGND: Digital ground

Functional Features

• High-resolution conversion with 10-bit accuracy
• Fast sampling rate of up to 100 kSPS
• Wide input voltage range allows for versatile applications
• Low power consumption for energy-efficient operation
• Wide temperature range enables reliable performance in various environments

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion
• Fast sampling rate allows for real-time measurements
• Wide input voltage range accommodates diverse signal levels
• Low power consumption reduces energy usage
• Wide temperature range ensures reliability in extreme conditions

Disadvantages

• Limited resolution compared to higher-end ADCs
• May require additional external components for specific applications

Working Principles

AD7894ARZ-10 operates on the principle of successive approximation. It uses an internal digital-to-analog converter (DAC) and a comparator to iteratively approximate the input analog voltage. The converter adjusts the DAC's output based on the comparator's feedback until the digital representation matches the input voltage.

Detailed Application Field Plans

AD7894ARZ-10 finds application in various fields, including: 1. Industrial automation 2. Data acquisition systems 3. Medical equipment 4. Instrumentation and measurement devices 5. Communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AD7894ARZ-10 are: 1. AD7893ARZ-10: 10-bit ADC with similar specifications and pin configuration. 2. AD7895ARZ-10: 12-bit ADC with higher resolution and compatible pin configuration. 3. AD7896ARZ-10: 8-bit ADC with lower resolution and compatible pin configuration.

These alternative models provide options for different resolution requirements while maintaining compatibility with the same pin configuration.

In conclusion, AD7894ARZ-10 is a 10-bit analog-to-digital converter with high accuracy and fast sampling rate. It finds application in various fields and offers advantages such as wide input voltage range and low power consumption. While it has some limitations in terms of resolution, alternative models are available to cater to different requirements.