MCP3919A1-E/SS Special Function by Microchip Technology

24-Bit, 125kSPS, 3-Ch Simultaneous Sample ADC

Status: Active
Series: MCP3919
RoHS: Compliant
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The MCP3919 is a 3V three channel Analog-Front-End (AFE) containing three simultaneous sampling Delta-Sigma Analog-to-Digital Converters (ADC), three PGAs, phase delay compensation block, internal voltage reference, digital offset and gain error calibration registers and high-speed 20 MHz SPI compatible serial interface.  A 2-wire serial interface mode greatly reduces system cost by requiring only a single bidirectional isolator per phase. The MCP3919 AFE is capable of interfacing to a variety of voltage and current sensors including shunts, current transformers, Rogowski coils and Hall effect sensors

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Features

Three Simultaneous Sampling 24-bit Delta-Sigma A/D Converters
93.5 dB SINAD, -107 dBc THD, 112 dBFS SFDR
Enables 0.1% Typical Active Power Measurement Error over a 10,000:1 Dynamic Range
2.7V - 3.6V AVDD, DVDD
4 MHz Maximum Sampling Frequency
16-Bit CRC Checksum and Interrupt Alert
Register Map Lock
Oversampling Ratio up to 4096
Ultra Low Power Shutdown Mode with <10 µA
-122 dB Crosstalk between the Two Channels
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
Individual 24-bit Digital Offset and Gain Error Correction for Each Channel
Flexible serial interface that includes both SPI and a simple 2-wire interface ideal for polyphase shunt energy meters
Continuous Read/Write Modes for Minimum Communication
Available in 28-Lead QFN and SSOP Packages
AEC-Q100 Grade 1

Specifications

Input Channels 3
Resolution 24
Pins | Packaging 28 | SSOP
Temp Range -40C to +125C
Packing Media Tube (47)

Last 6 months Inventory & Pricing History


Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.2292
Shipping Weight (kg) 0.489362
Lead Count 28
Package Type SSOP
Package Width or Size .209in
Soldering Composition Matte Tin

Alternative Descriptions

3V Three-Channel Analog Front End, SPI/2-Wire Interface | Microchip Technology
3x24bit ADC, diff. input+PGA, Ref, SPI, 3.9ksps, -40+125°C | ECOM
Afe, 3 Ch, 24Bit, Spi, 3.6V | Newark Electronics
THREE CHANNEL ENERGY METER FRONT END 3V, SPI INTERFACE | Future Electronics
Analog Front End IC, 3 Channels, 24 bit, Serial I2C, SPI, 2.7 V to 3.6 V, 28 Pins, PSSOP | Avnet America
IC: A/D converter | TME
AFE, 3 CH, 24BIT, SPI, 3.6V | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MCP3919A1-E/SS?

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What category does MCP3919A1-E/SS fall under?

The MCP3919A1-E/SS is listed under Semiconductors - ICs > Special Function.

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Is the MCP3919A1-E/SS RoHS compliant?

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

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Authorised distributors including Microchip Technology, Rochester Electronics, ECOM, Newark Electronics and Future Electronics have stock available or on a lead time for MCP3919A1-E/SS.

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