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MCP3204-CI/SL

MCHPMCP3204-CI/SL

Microchip Technology
12 Bit Analog to Digital Converter 2, 4 Input 1 SAR 14-SOIC
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Overview

The MCP3204-CI/SL is a 12-bit Analog-to-Digital Converter (ADC) featuring 4 channels and a Successive Approximation Register (SAR) architecture. It operates over a voltage range of 2.7V to 5.5V and communicates via a standard SPI serial interface, making it compatible with a wide variety of microcontrollers.

Why Choose This Part

This ADC offers a low power consumption of 0.4mA at 5V while maintaining a small footprint in a 14-pin SOIC package. The programmable sequencer allows for single-ended or pseudo-differential inputs, providing flexibility for different signal grounding requirements.

Applications

Sensor Interface
Converting analog signals from pressure, strain, or temperature sensors into digital data for processing.
Battery Operated Systems
Utilizing its low 500uA typical standby current to extend battery life in portable electronics.
Industrial Process Control
Monitoring multiple 0-5V or 0-3.3V control loops in automation environments.
Data Acquisition
High-resolution signal logging with a 100k samples per second rate for moderate speed waveforms.

Key Specifications

Input Type Pseudo-Differential, Single Ended
Architecture SAR
Configuration MUX-S/H-ADC
Mounting Type Surface Mount
Data Interface SPI
Number of Bits 12
Package / Case 14-SOIC (0.154", 3.90mm Width)
Reference Type External
Ratio - S/H:ADC 1:1
Number of Inputs 2, 4
Operating Temperature -40degC ~ 85degC
Supplier Device Package 14-SOIC
Number of A/D Converters 1
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Sampling Rate (Per Second) 100k

Getting Started

To interface with this device, configure your MCU SPI bus for Mode 0,0 or 1,1 and provide an external reference voltage (VREF) to define the full-scale input range. Use a logic analyzer to verify the 12-bit data frame alignment, ensuring the start bit and configuration bits are transmitted correctly before reading the conversion result.

Also Consider

MCP3004-I/SL MCHPMicrochip Technology - A lower-cost 10-bit version for applications that do not require 12-bit resolution.
MCP3208-CI/SL MCHPMicrochip Technology - An 8-channel alternative if additional analog inputs are required in the same family.
ADS7844E TITexas Instruments - Offers higher channel density with 8 channels and a similar 12-bit SAR architecture.

Categories

Interface ICs > ADC & DAC