MCP3918A1-E/SS More Semiconductors - ICs by Microchip Technology

24-Bit, 125kSPS, ADC

Status: Active
Series: MCP3918
RoHS: Compliant
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The MCP3918 is a 2.7V to 3.6V single channel Analog Front End (AFE) containing a Delta-Sigma Analog-to-Digital Converter (ADC), PGA, internal voltage reference, modulator output block, and highspeed 20 MHz SPI compatible serial interface. For polyphase shunt based energy meters, the MCP3918 2-wire serial interface greatly reduces system cost requiring only a single bidirectional isolator per phase. The MCP3918 is capable of interfacing a large variety of voltage and current sensors including shunts, current transformers, Rogowski coils and Hall effect sensors

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Features

16/24-bit Resolution Delta-Sigma A/D Converter
Flexible serial interface that includes both SPI and a simple 2-wire interface ideal for polyphase shunt energy meters
93.5 dB SINAD, -106.5 dBc THD
2.7V - 3.6V AVDD, DVDD
Programmable Data Rate up to 125 ksps- 4 MHz Maximum Sampling Frequency
Oversampling Ratio up to 4096
Ultra Low Power Shutdown Mode with <2 µA
Low Drift 1.2V Internal Voltage Reference: 9 ppm/°C
Differential Voltage Reference Input Pins
High Gain PGA on Each Channel (up to 32V/V)
Phase Delay Compensation with 1 µs Time Resolution
Separate Data Ready Pin for Easy Synchronization
24-bit Digital Offset and Gain Error Correction
High-Speed 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility
Continuous Read/Write Modes for Minimum Communication
Low Power Consumption
Available in Small 20-lead QFN and SSOP Packages
Specifications valid down to -45°C operation
AEC-Q100 Grade 1

Specifications

Input Channels 1
Resolution 24
Pins | Packaging 20 | SSOP
Temp Range -40C to +125C
Packing Media Tube (67)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1642
Shipping Weight (kg) 0.343284
Lead Count 20
Package Type SSOP
Package Width or Size .209in
Soldering Composition Matte Tin

Alternative Descriptions

3V Single Channel Analog Front End, SPI/2-Wire Interface | Microchip Technology
Converters, Analog to Digital, 1-Ch Energy Meter Front End SPI SSOP20 | Microchip Technology Inc. MCP3918A1-E/SS | RS Americas
Afe, 1 Ch, 24Bit, Spi, 3.6V | Newark Electronics
AFE General Purpose 1 ADC 24-Bit 3V 20-Pin SSOP Tube | Avnet America
AFE, 1 CH, 24BIT, SPI, 3.6V | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MCP3918A1-E/SS?

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Is the MCP3918A1-E/SS RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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