EE Product News

High-Side Monitor Mirrors Current Over Wide Range

Accepting the challenges associated with interfacing an optical-power-monitoring device to the cathode of a PIN photodiode, the ADL5315 high-side monitor has a mirror ratio of 1:1 over six decades, enabling accurate input-current monitoring from 3 nA to 3 mA. The device delivers an output equal to the monitored reference current with a linearity of 1% and, to protect the photodiode, it provides an adjustable input-current limit. Also addressing space-constrained applications, such as small form factor pluggable optical transceiver modules, the chip comes in an eight-lead LFCSP measuring 2 mm x 3 mm. Other features include operation from a single 2.7V to 8V supply and in temperatures from -40°C to 85°C. Sampling now with volume production slated for October, price is $1.93 each/1,000. ANALOG DEVICES INC., Wilmington, MA. (800) 262-5643.


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TAGS: Digital ICs
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