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ACPL-C740

Broadcom
Part Number ACPL-C740
Manufacturer Broadcom
Description Optically Isolated Sigma-Delta Modulator
Published Jun 4, 2019
Detailed Description ACPL-C740 Optically Isolated Sigma-Delta Modulator Data Sheet Description The Broadcom® ACPL-C740 is a 1-bit, second-o...
Datasheet PDF File ACPL-C740 PDF File

ACPL-C740
ACPL-C740

Overview
ACPL-C740 Optically Isolated Sigma-Delta Modulator Data Sheet Description The Broadcom® ACPL-C740 is a 1-bit, second-order sigmadelta (-) modulator that converts an analog input signal into a high-speed data stream with galvanic isolation based on optical coupling technology.
The ACPL-C740 operates from a 5V power supply with dynamic range of 86 dB with an appropriate digital filter.
The differential inputs of ±200 mV (full scale ±320 mV) are ideal for direct connection to shunt resistors or other low-level signal sources in applications, such as motor phase current measurement.
The analog input is continuously sampled by a means of sigma-delta over-sampling using an onboard clock.
The signal information is contained in the modulator data, as a density of ones with data rate of 20 MHz, and the data are encoded and transmitted across the isolation boundary where they are recovered and decoded into high-speed data stream of digital ones and zeros.
The original signal informati...


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