ADS7818E/250

Product Overview

Category

The ADS7818E/250 belongs to the category of analog-to-digital converters (ADCs).

Use

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

Characteristics

• High-resolution ADC with 12-bit resolution
• Single-channel input
• Low power consumption
• Wide operating temperature range
• Small package size

Package

The ADS7818E/250 is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of the ADS7818E/250 lies in its ability to accurately convert analog signals into digital format, enabling further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per package.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to Vref
• Conversion Time: 8.5 µs
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Power Consumption: 1.6 mW (typical)

Detailed Pin Configuration

The ADS7818E/250 features a total of 8 pins, each serving a specific function:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. REF: Reference voltage input
4. IN: Analog input voltage
5. CS: Chip select input
6. SCLK: Serial clock input
7. DOUT: Digital output
8. DIN: Serial data input

Functional Features

• High-resolution conversion
• Low power consumption
• Easy integration with microcontrollers and other digital systems
• Serial interface for simplified communication

Advantages and Disadvantages

Advantages

• High accuracy and resolution
• Low power consumption
• Wide operating temperature range
• Small package size for space-constrained applications

Disadvantages

• Single-channel input limits simultaneous conversion of multiple signals
• Limited output options (only serial digital output)

Working Principles

The ADS7818E/250 operates on the principle of successive approximation. It samples the analog input voltage, compares it to a reference voltage, and generates a digital representation of the input signal.

Detailed Application Field Plans

The ADS7818E/250 finds applications in various fields, including:

1. Industrial automation: Used for monitoring and control systems, data acquisition, and process control.
2. Medical devices: Enables accurate measurement and analysis of physiological signals.
3. Test and measurement equipment: Provides high-resolution data acquisition capabilities.
4. Consumer electronics: Used in audio processing, instrumentation, and other consumer applications.

Detailed and Complete Alternative Models

1. ADS7816: 12-bit ADC with lower power consumption and smaller package size.
2. ADS7822: 12-bit ADC with dual-channel input and higher sampling rate.
3. ADS7830: 8-bit ADC with integrated multiplexer for multiple input channels.

In conclusion, the ADS7818E/250 is a high-resolution analog-to-digital converter with excellent performance characteristics. Its small package size, low power consumption, and wide operating temperature range make it suitable for various applications in different industries.