ACPL-C799-000E

Description：IC SIGMA-DELTA MOD 16BIT 8SO
Series：-

SKU:ec98a409e52f Category: ADCs/DACs - Special Purpose Brand: Broadcom Limited

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Product introduction

Product Detailed Parameters

Description：IC SIGMA-DELTA MOD 16BIT 8SO
Series：-
Mfr：Broadcom Limited
Package：Tube
Type：Sigma-Delta Modulator
Number of Channels：1
Resolution (Bits)：16 b
Sampling Rate (Per Second)：-
Data Interface：-
Voltage Supply Source：Single Supply
Voltage - Supply：3V ~ 5.5V
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.268", 6.81mm Width)
Supplier Device Package：8-SO Stretched
Grade：-
Qualification：-

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ACPL-C799-000E

Overview

The Broadcom ACPL-C799-000E is a single-channel, second-order sigma-delta modulator designed for high-speed data transmission with galvanic isolation. It operates on a 5V supply and converts analog input signals into a current-isolated digital bitstream using optical coupling technology. The device features a dynamic range of 77 dB and supports differential inputs with a full-scale range of ±50 mV, extending to ±80 mV. This architecture allows direct connection to low-level signal sources such as shunt resistors without requiring external amplification.

Feature Summary

Second-order sigma-delta modulation architecture for high-resolution signal conversion
Optical isolation providing galvanic separation between input and output stages
Direct interface capability for low-level differential signals (±50 mV to ±80 mV)
77 dB dynamic range suitable for precision measurement applications

Applications

Motor phase current measurement via direct shunt resistor connection
Precision isolated current sensing in industrial drives
High-speed isolated data acquisition systems requiring low noise

Procurement Notes

Verify the specific suffix '000E' against the manufacturer's latest datasheet to confirm pinout compatibility and environmental ratings. Ensure that the receiving circuitry includes appropriate digital filtering to reconstruct the analog signal from the sigma-delta bitstream, as the output is a high-frequency modulated stream rather than a direct voltage level.

Selection Notes

Select this component when direct connection to low-voltage differential sensors is required without intermediate instrumentation amplifiers. The ±50 mV full-scale input range dictates suitability for high-current shunt measurements where voltage drops are minimal. Consider the need for external digital filters to process the 1-bit output stream effectively within the system design.

Part Context

The ACPL-C799 belongs to Broadcom’s ACPL series of optically isolated modulators. It complements other devices like the ACPL-C797 and ACPL-C79B by offering a specialized sigma-delta solution for high-speed, high-resolution isolated sensing, distinct from standard linear isolation amplifiers.

Replacement Considerations

Cross-reference with ACPL-C797-000E for similar isolation capabilities but verify if the specific sigma-delta modulation and ±50 mV input range requirements match the application needs exactly.

FAQ

What is the maximum differential input voltage range for the ACPL-C799-000E?

The device supports a full-scale differential input range of ±50 mV, with an extended range up to ±80 mV.

Does the ACPL-C799-000E provide a direct analog voltage output?

No, it outputs a high-speed, current-isolated digital bitstream generated by its second-order sigma-delta modulator, which requires digital filtering to recover the analog signal.