MCP3204-B I/P IC

The MCP3204-B I/P is a versatile and high-performance 4-channel, 12-bit analog-to-digital converter (ADC) IC produced by Microchip Technology. It is designed to offer precise and accurate digital representation of analog signals with a simple and efficient serial interface, making it suitable for a wide range of applications.

Description of MCP3204-B I/P IC

Overview: The MCP3204-B I/P is part of the MCP3204 series of ADCs which feature low power consumption and high accuracy. This ADC operates over a broad range of supply voltages from 2.7V to 5.5V, making it compatible with various systems. It is designed to convert analog input signals into digital output data with 12-bit resolution, providing a precise digital representation of the analog signal.

Key Features:

1. 12-bit Resolution:
   • Provides high accuracy for converting analog signals into digital values.
2. 4 Input Channels:
   • Allows up to four single-ended or two differential input channels, offering flexibility in signal measurement.
3. Serial Peripheral Interface (SPI):
   • Uses SPI communication for easy integration with microcontrollers and other digital systems. The SPI interface simplifies the design and reduces the number of required pins.
4. Low Power Consumption:
   • Consumes minimal power, making it ideal for battery-powered and portable applications. Active mode current is typically 400 µA, while standby mode current is typically 1 µA.
5. High Speed:
   • Capable of sampling rates up to 100 ksps (kilosamples per second), enabling fast and efficient data acquisition.
6. Wide Supply Voltage Range:
   • Operates from 2.7V to 5.5V, allowing use in a variety of systems with different voltage requirements.
7. Reference Voltage Range:
   • The reference voltage can range from 0V to VDD, providing flexibility in configuring the ADC’s input range.
8. Sample and Hold Capability:
   • Includes an on-chip sample and hold circuit to maintain the stability of the analog input signal during conversion, ensuring accurate digital output.
9. Compact Package:
   • Available in a 14-pin PDIP (Plastic Dual In-line Package), making it easy to integrate into standard circuit boards.

Applications:

• Data Acquisition Systems: For collecting and digitizing analog signals from various sensors.
• Portable Instrumentation: Ideal for handheld devices that require precise analog measurement.
• Industrial Automation: Suitable for monitoring and controlling industrial processes.
• Medical Devices: Can be used in medical equipment for accurate signal measurement.
• Battery-Powered Systems: Its low power consumption makes it perfect for devices that rely on battery power.

Pin Configuration:

1. CH0 – Channel 0 Analog Input
2. CH1 – Channel 1 Analog Input
3. CH2 – Channel 2 Analog Input
4. CH3 – Channel 3 Analog Input
5. VSS – Ground
6. DIN – Data Input (SPI)
7. DOUT – Data Output (SPI)
8. CLK – Clock Input (SPI)
9. CS – Chip Select
10. VDD – Power Supply
11. VREF – Reference Voltage
12. AGND – Analog Ground
13. DGND – Digital Ground
14. NC – No Connect

Functional Description:

The MCP3204-B I/P works by taking an analog voltage input and converting it to a 12-bit digital output. The analog input channels can be configured for single-ended or differential operation. The reference voltage sets the input voltage range for the ADC, allowing for precise control over the conversion parameters. The SPI interface facilitates communication with a microcontroller, which can send commands and receive converted data from the ADC.

Package Includes:

1 x MCP3204-B I/P IC