Instrukcja obsługi Microchip MCP3913
Microchip
nieskategoryzowany
MCP3913
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Microchip MCP3913 (24 stron) w kategorii nieskategoryzowany. Ta instrukcja była pomocna dla 12 osób i została oceniona przez 6.5 użytkowników na średnio 5.0 gwiazdek
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2013-2020 Microchip Technology Inc. DS20005227C-page 1
MCP3913
Features
• Six Synchronous Sampling 24-Bit Resolution
Delta-Sigma A/D Converters
• 94.5 dB SINAD, -107 dBc Total Harmonic
Distortion (THD) (up to 35th Harmonic), 112 dBFS
SFDR for Each Channel
• Enables 0.1% Typical Active Power Measurement
Error Over a 10,000:1 Dynamic Range
• Advanced Security Features:
- 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
• 2.7V-3.6V AVDD, DVDD
• Programmable Data Rate Up to 125 ksps:
- 4 MHz Maximum Sampling Frequency
- 16 MHz Maximum Master Clock
• Oversampling Ratio Up to 4096
• Ultra-Low Power Shutdown Mode with <10 µA
• -122 dB Crosstalk Between Channels
• Low Drift 1.2V Internal Voltage Reference:
9 ppm/°C
• Differential Voltage Reference Input Pins
• High-Gain PGA on Each Channel (up to 32 V/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
• High-Speed 20 MHz SPI Interface with Mode 0,0
and 1,1 Compatibility
• Continuous Read/Write Modes for Minimum
Communication Time with Dedicated
16/32-Bit Modes
• Available in a 40-Lead UQFN and 28-Lead SSOP
Packages
• Extended Temperature Range: -40°C to +125°C
Description
The MCP3913 is a 3V six-channel Analog Front End
(AFE), containing six synchronous sampling Delta-
Sigma, Analog-to-Digital Converters (ADC), six PGAs,
phase delay compensation block, low-drift internal volt-
age reference, Digital Offset and Gain Error Calibration
registers and high-speed 20 MHz SPI-compatible serial
interface.
The MCP3913 ADCs are fully configurable with features
such as: 16/24-bit resolution, Oversampling Ratio
(OSR) from 32 to 4096, gain from 1x to 32x, indepen-
dent shutdown and Reset, dithering and auto-zeroing.
The communication is largely simplified with 8-bit
commands, including various continuous Read/Write
modes and 16/24/32-bit data formats that can be
accessed by the Direct Memory Access (DMA) of an 8,
16 or 32-bit MCU, and with the separate Data Ready
pin that can directly be connected to an Interrupt
Request (IRQ) input of an MCU.
The MCP3913 includes advanced security features to
secure the communications and the configuration set-
tings, such as a CRC-16 checksum on both serial data
outputs and static register map configuration. It also
includes a register map lock through an 8-bit secure key
to stop unwanted WRITE commands from processing.
The MCP3913 is capable of interfacing with a variety of
voltage and current sensors, including shunts, Current
Transformers, Rogowski coils and Hall effect sensors.
Applications
• Polyphase Energy Meters
• Energy Metering and Power Measurement
• Automotive
• Portable Instrumentation
• Medical and Power Monitoring
• Audio/Voice Recognition
3V Six-Channel Analog Front End
Specyfikacje produktu
| Marka: | Microchip |
| Kategoria: | nieskategoryzowany |
| Model: | MCP3913 |
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