MAX4004, MAX4006 High-Accuracy, High-Side Current Monitors In SOT23
The MAX4004 MAX4006 precision, high-side, current monitors are specifically designed for monitoring Photodiode current in fiber applications. They offer a connection point for the reference current and a monitor output that produces a signal proportional to the reference current. The monitor output of the MAX4004 is a current proportional to the reference current. The monitor output of the MAX4006 is a voltage proportional to the reference current. The current monitors have six decades of dynamic range and monitor reference current of 250nA to 2.5mA with better than 5% accuracy. The Photodiode current CAN be monitored from 10nA to 10mA with reduced accuracy.
The MAX4004 MAX4006 accept a +2.7V to +22V supply voltage, suitable for PIN Photodiode applications. (For higher voltage applications, refer to the MAX4007 MAX4008 data sheet.) Internal current limiting (20mA, typ) protects the device against short-circuit-to-ground or excessive current conditions. A clamp Diode protects the monitor output from overvoltage. Additionally, these devices feature thermal shutdown if the die temperature reaches +150C.
The MAX4004 MAX4006 are available in tiny, space-saving 6-pin SOT23 packages, and operate over the extended temperature range of -40C to +85C.
By Maxim Integrated Products
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