MCP3002-I/ST

Product Overview

Category

The MCP3002-I/ST belongs to the category of Analog-to-Digital Converters (ADCs).

Use

This product is used to convert analog signals into digital data, making it suitable for various applications that require accurate and precise measurements.

Characteristics

• High resolution: The MCP3002-I/ST offers a resolution of 10 bits, allowing for detailed and accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power, making it energy-efficient and suitable for battery-powered devices.
• Small package size: The MCP3002-I/ST comes in a small surface-mount package, enabling its integration into compact electronic designs.
• Wide voltage range: It can operate within a wide voltage range, making it compatible with different power supply configurations.

Package and Quantity

The MCP3002-I/ST is available in a small 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Resolution: 10 bits
• Input Voltage Range: 0V to Vref (typically 5V)
• Sampling Rate: Up to 200 ksps (thousand samples per second)
• Operating Voltage: 2.7V to 5.5V
• Power Consumption: 0.35 mW (typical)

Pin Configuration

The MCP3002-I/ST has the following pin configuration:

1. VDD - Power Supply
2. VREF - Reference Voltage
3. AGND - Analog Ground
4. CLK - Clock Input
5. DOUT - Digital Output
6. DIN - Digital Input
7. CS - Chip Select
8. DGND - Digital Ground

Functional Features

• Successive Approximation Register (SAR) architecture for accurate conversion.
• Two analog input channels for simultaneous or single-ended measurements.
• SPI (Serial Peripheral Interface) communication protocol for easy integration with microcontrollers and other digital devices.
• Programmable reference voltage for flexible signal range selection.

Advantages and Disadvantages

Advantages

• High resolution enables precise measurement of analog signals.
• Low power consumption makes it suitable for battery-powered applications.
• Small package size allows for space-efficient designs.
• Wide voltage range compatibility enhances versatility.

Disadvantages

• Limited number of analog input channels may restrict certain multi-channel applications.
• Requires an external clock source for operation.

Working Principles

The MCP3002-I/ST utilizes the SAR architecture to convert analog signals into digital data. It samples the input voltage and compares it to a reference voltage using a binary search algorithm. The conversion result is then provided as a digital output.

Application Field Plans

The MCP3002-I/ST finds applications in various fields, including but not limited to: 1. Industrial automation: Used for monitoring and control systems that require accurate analog-to-digital conversion. 2. Medical devices: Enables precise measurement of physiological signals for diagnostic purposes. 3. Consumer electronics: Integrated into audio equipment, sensors, and other devices requiring analog signal processing.

Alternative Models

Other alternative models that provide similar functionality to the MCP3002-I/ST include: - MCP3004: 4-channel ADC with 10-bit resolution. - MCP3202: 2-channel ADC with 12-bit resolution. - ADS1015: 4-channel ADC with 12-bit resolution and I2C interface.

In conclusion, the MCP3002-I/ST is a high-resolution ADC that offers accurate analog-to-digital conversion in a compact package. Its low power consumption and wide voltage range make it suitable for various applications across different industries.