DS1842N+T&R

Overview

The DS1842N+T&R is a current and power monitor manufactured by Analog Devices Inc./Maxim Integrated. It features a high-side sensing architecture with an integrated APD bias output stage capable of handling up to 76V. The device operates on a supply voltage ranging from 0V to 11V, drawing a typical operating current of 2mA. Designed for surface-mount installation, it is housed in a TDFN-EP-14 package. The component functions within a temperature range of -40°C to +85°C and belongs to the DS1842N product series under the PMIC category.

Feature Summary

• Integrates a high-side current sensing mechanism for precise monitoring applications.
• Includes an internal bias output stage specifically designed for avalanche photodiode (APD) regulation.
• Supports non-volatile storage capabilities for maintaining operational settings.

Applications

• Avalanche Photodiode (APD) bias control systems
• High-voltage current monitoring circuits
• Optical communication equipment power management

Procurement Notes

Verify that the specific suffix 'T&R' corresponds to the tape-and-reel packaging variant rather than the tube configuration found in standard listings. Confirm the exact part number against official manufacturer documentation to ensure compatibility with high-side sensing requirements. Check for any recent product change notifications regarding the TDFN-EP-14 package or electrical specifications before finalizing procurement orders.

Selection Notes

Select this component when a combined current monitor and APD bias regulator is required in a compact surface-mount footprint. Ensure the system design accommodates the 76V input capability and the 0V to 11V supply range. Consider the TDFN-EP-14 thermal performance and the -40°C to +85°C operating temperature window relative to the target application environment.

Part Context

This part belongs to the DS1842N series of current monitors and regulators from Maxim Integrated. It is categorized under Power Management ICs (PMIC). The device is distinct from other Maxim products like the DS1841 digital potentiometer or the DS4424 DAC due to its specialized high-side sensing and APD bias integration features.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.