AD7859ASZ-REEL

Product Overview

The AD7859ASZ-REEL belongs to the category of Analog-to-Digital Converters (ADCs) and is commonly used in various applications such as industrial automation, instrumentation, and data acquisition systems. This ADC is known for its high precision, low power consumption, and small package size. The device is available in a 16-lead TSSOP package and is essential for converting analog signals into digital data. Each package contains one unit of the AD7859ASZ-REEL.

Specifications

• Resolution: 16-bit
• Input Type: Single-Ended, Differential
• Sampling Rate: 200 kSPS
• Interface Type: Serial (SPI)
• Power Consumption: 1.25 mW at 3V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of the AD7859ASZ-REEL is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | AGND | Analog Ground | | 3 | REF | Reference Voltage Input | | 4 | VIN(+) | Positive Analog Input | | 5 | VIN(-) | Negative Analog Input | | 6 | DGND | Digital Ground | | 7 | SCLK | Serial Clock Input | | 8 | SDI | Serial Data Input | | 9 | CS | Chip Select Input | | 10 | SDO | Serial Data Output | | 11 | CONVST | Conversion Start Input | | 12 | PD | Power-Down Mode Input | | 13 | DOUT/DRDY| Data Output/Ready Indicator | | 14 | NC | No Connect | | 15 | VIO | Digital I/O Voltage | | 16 | VIO | Digital I/O Voltage |

Functional Features

The AD7859ASZ-REEL offers high precision and accuracy in converting analog signals to digital data. It provides a wide input voltage range and operates with low power consumption. The device also features a serial interface for easy integration into digital systems.

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Low power consumption - Small package size

Disadvantages: - Limited sampling rate compared to some other ADCs - Requires external reference voltage

Working Principles

The AD7859ASZ-REEL operates by sampling the analog input signal and converting it into a corresponding digital output using an internal ADC core. The digital data is then transmitted through the serial interface for further processing or storage.

Application Field Plans

This ADC is widely used in various applications including: - Industrial automation systems - Instrumentation equipment - Data acquisition systems - Medical devices - Test and measurement equipment

Alternative Models

Some alternative models to the AD7859ASZ-REEL include: - AD7760: 24-bit, 256 kSPS ADC - AD7980: 18-bit, 1 MSPS ADC - AD7091R: 12-bit, 1 MSPS ADC

In conclusion, the AD7859ASZ-REEL is a versatile and reliable ADC suitable for a wide range of precision measurement and data acquisition applications.

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