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                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Data & Signal Conversion
                                                                                                  4. Analog Front End ICs
                                                                                                  Print Page

                                                                                                  MCP3919A1-E/SS

                                                                                                  Analog Front End, Data Converters, 3 Channels, 24 bits, SPI, 3.6 V, SSOP-28

                                                                                                  MICROCHIP
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  MICROCHIP MCP3919A1-E/SS
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoMCP3919A1-E/SS
                                                                                                  Newark Part No.69W9821
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Available to Order
                                                                                                  Manufacturer Standard Lead Time: 6 week(s)
                                                                                                  QuantityPrice
                                                                                                  141+$1.830
                                                                                                  Price for:Each
                                                                                                  Minimum: 235
                                                                                                  Multiple: 47
                                                                                                  $430.05
                                                                                                  Enter Your Part No/Line Note
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                                                                                                  This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                  Product Information

                                                                                                  MICROCHIP
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoMCP3919A1-E/SS
                                                                                                  Newark Part No.69W9821
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  AFE IC Type3 Channel Analog Front End
                                                                                                  AFE IC ApplicationData Converters
                                                                                                  No. of Channels3Channels
                                                                                                  IC Interface TypeSPI
                                                                                                  Supply Voltage Min2.7V
                                                                                                  Supply Voltage Max3.6V
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max125°C
                                                                                                  IC Package TypeSSOP
                                                                                                  No. of Pins28Pins
                                                                                                  Resolution24 bits
                                                                                                  Sample Rate-
                                                                                                  Qualification-
                                                                                                  Product Range-
                                                                                                  MSLMSL 1 - Unlimited
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  The MCP3919A1-E/SS is a 3-channel Analog Front End (AFE) containing three synchronous sampling delta-sigma analog-to-digital converters (ADC), three PGAs, phase delay compensation block, low-drift internal voltage reference, digital offset and gain error calibration registers and high-speed 20MHz SPI-compatible serial interface. The MCP3919 ADCs are fully configurable with features such as: 16/24-bit resolution, Oversampling Ratio (OSR) from 32 to 4096, gain from 1x to 32x, independent Shutdown and Reset, dithering and autozeroing. The MCP3919 includes advanced security features to secure the communications and the configuration settings such as a CRC-16 checksum on both serial data outputs and static register map configuration. The MCP3919 is capable of interfacing with a variety of voltage and current sensors, including shunts, current transformers, Rogowski coils and hall-effect sensors.

                                                                                                  • 93.5dB SINAD, -107dBc Total harmonic distortion (THD) (up to 35th harmonic)
                                                                                                  • 112dBFS SFDR for each channel
                                                                                                  • Enables 0.1% typical active power measurement error over a 10,000:1 dynamic range
                                                                                                  • 16-bit Cyclic redundancy check (CRC) checksum on all communications for secure data transfers
                                                                                                  • 16-bit CRC checksum and interrupt alert for register map configuration
                                                                                                  • Register map lock with 8-bit secure key
                                                                                                  • Programmable data rate up to 125ksps
                                                                                                  • 4MHz Maximum sampling frequency, 16MHz Maximum master clock
                                                                                                  • Ultra low-power shutdown mode with <lt/>10µA
                                                                                                  • -122dB Crosstalk between the two channels
                                                                                                  • 9ppm/°C Low drift 1.2V internal voltage reference
                                                                                                  • Differential voltage reference input pins
                                                                                                  • High gain PGA on each channel (up to 32V/V)
                                                                                                  • Phase delay compensation with 1µs time resolution
                                                                                                  • Separate data ready pin for easy synchronization
                                                                                                  • Individual 24-bit Digital offset and gain error correction for each channel
                                                                                                  • High-speed 20MHz SPI Interface with mode 0,0 and 1,1 compatibility
                                                                                                  • Continuous read/write modes for minimum communication

                                                                                                  Applications

                                                                                                  Metering, Automotive, Test & Measurement, Medical, Sensing & Instrumentation, Portable Devices, Power Management

                                                                                                  Technical Specifications

                                                                                                  AFE IC Type

                                                                                                  3 Channel Analog Front End

                                                                                                  No. of Channels

                                                                                                  3Channels

                                                                                                  Supply Voltage Min

                                                                                                  2.7V

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  IC Package Type

                                                                                                  SSOP

                                                                                                  Resolution

                                                                                                  24 bits

                                                                                                  Qualification

                                                                                                  -

                                                                                                  MSL

                                                                                                  MSL 1 - Unlimited

                                                                                                  AFE IC Application

                                                                                                  Data Converters

                                                                                                  IC Interface Type

                                                                                                  SPI

                                                                                                  Supply Voltage Max

                                                                                                  3.6V

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  No. of Pins

                                                                                                  28Pins

                                                                                                  Sample Rate

                                                                                                  -

                                                                                                  Product Range

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (3)

                                                                                                  Product Change Notice EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

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