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MCP3422A0-E/SN
+BOMIC ADC 18BIT SIGMA-DELTA 8SOIC
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ManufacturerMicrochip Technology
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Mfr. Part #MCP3422A0-E/SN
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Datasheet MCP3422A0-E/SN DataSheet
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Package SOIC-8
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In Stock2355
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 18 |
| Sampling Rate(Per Second) | 3.75, 15, 60, 240 |
| Number of Inputs | 2 |
| Input Type | Differential |
| Data Interface | I²C |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| Features | PGA |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 8-SOIC |
Overview
Description
It offers programmable gain and conversion speed options, enabling flexibility in balancing resolution and sampling rate according to application needs. The device includes an internal voltage reference, and its high accuracy makes it suitable for various applications, including sensor interfacing, industrial process control, and instrumentation. Its compact 8-pin SOIC package facilitates easy integration into designs with limited space. Overall, the MCP3422A0-E/SN is a versatile and efficient ADC solution for high-precision analog signal measurements.
Equivalent
1. Texas Instruments ADS1115 – A 4-channel, 16-bit ADC.
2. Analog Devices AD5694R – Similar precision ADC, though note the channel and bit differences.
3. Maxim Integrated MAX11100 – A 14-bit ADC with similar functional capabilities.
Ensure to verify specific requirements such as resolution, input range, and I2C interface compatibility when selecting replacements.
Features
1. Resolution: 18-bit ADC for precise measurement.
2. Channels: Two differential input channels.
3. I2C Interface: Communicates via an I2C interface for easy integration with microcontrollers.
4. Programmable Gain Amplifier (PGA): Offers gains of 1, 2, 4, or 8 for input signal amplification.
5. Variable Sample Rate: Configurable conversion speed with sampling rates of 3.75, 15, 60, or 240 samples per second.
6. Self-Calibration: Internal calibration ensures accuracy over time and varying conditions.
7. Low Operating Current: Ideal for battery-powered applications.
8. Wide Supply Range: Operates from 2.7V to 5.5V.
9. Temperature Range: Suitable for industrial applications with an operating range from -40°C to +125°C.
10. Small Package: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
These features make it suitable for applications requiring high precision and low power consumption, such as sensor interfacing and portable instrumentation.
Pinout
1. VDD (Pin 1): Power supply input.
2. VIN+ (Pin 2): Non-inverting analog input.
3. VIN- (Pin 3): Inverting analog input.
4. VSS (Pin 4): Ground reference point for the device.
5. SCL (Pin 5): Serial clock line for I²C communication.
6. SDA (Pin 6): Serial data line for I²C communication, bidirectional.
7. ADDR (Pin 7): I²C address selection pin.
8. OSCI (Pin 8): Optional external clock input or crystal oscillator pin.
These pins collectively enable the MCP3422A0-E/SN to perform high-precision analog-to-digital conversion with capabilities such as programmable gain, continuous or one-shot conversion modes, and I²C communication for easy integration into microcontroller-based systems.
Manufacturer
Application
1. Industrial Automation: For monitoring and control systems requiring precise voltage and current measurements.
2. Instrumentation: Used in test and measurement equipment for accurate data acquisition.
3. Medical Devices: In diagnostic equipment where precise sensor readings are crucial.
4. Consumer Electronics: For high-resolution sensor interfacing in devices like digital multimeters.
5. Energy Management: In smart meters and renewable energy systems for monitoring power quality and efficiency.
6. Automotive Systems: For monitoring various sensors in vehicle systems, requiring reliability and precision.