MAX4004/MAX4006 High-Accuracy, High-Side Current Monitors in SOT23 General Description Features The MAX4004/MAX4006 precision, high-side, current Wide Reference Current Dynamic Range monitors are specifically designed for monitoring photo- Guaranteed 250nA to 2.5mA with 5% Accuracy diode current in fiber applications. They offer a connection Extended 10nA to 10mA with 10% Monitor point for the reference current and a monitor output that Accuracy produces a signal proportional to the reference current. Current (MAX4004) or Voltage (MAX4006) Monitor The monitor output of the MAX4004 is a current propor- Output tional to the reference current. The monitor output of the Reference Current-Limit Protection (20mA, typ) MAX4006 is a voltage proportional to the reference cur- rent. The current monitors have six decades of dynamic Voltage Clamp Protects Subsequent Output Circuitry range and monitor reference current of 250nA to 2.5mA +2.7V to +22V Wide Voltage Range Operation with better than 5% accuracy. The photodiode current can 6-Pin SOT23 Packages be monitored from 10nA to 10mA with reduced accuracy. The MAX4004/MAX4006 accept a +2.7V to +22V sup- ply voltage, suitable for PIN photodiode applications. Ordering Information (For higher voltage applications, refer to the MAX4007/ MAX4008 data sheet.) Internal current limiting (20mA, typ) protects the device against short-circuit-to-ground PART PIN-PACKAGE TOP MARK or excessive current conditions. A clamp diode protects MAX4004EUT-T 6 SOT23 ABNL the monitor output from overvoltage. Additionally, these MAX4004EUT+T 6 SOT23 devices feature thermal shutdown if the die temperature MAX4006EUT-T 6 SOT23 ABNN reaches +150C. The MAX4004/MAX4006 are available in tiny, space- Note: All devices are specified over the -40C to +85C operat- saving 6-pin SOT23 packages, and operate over the ing temperature range. extended temperature range of -40C to +85C. +Denotes a lead(Pb)-free/RoHS-compliant package. Applications Photodiode Current-Monitoring Systems Pin Configuration Portable Instrumentation Medical Instrumentation Laboratory Instrumentation TOP VIEW Consumer Electronics Current-to-Voltage Conversion CLAMP 1 6 BIAS Level Translation MAX4004 GND 2 5 N.C. MAX4006 Selector Guide INTERNAL TYPICAL OUT 3 4 REF PART PIN-PACKAGE RESISTOR ACCURACY MAX4004EUT-T 6 SOT23 None 5% SOT23 MAX4006EUT-T 6 SOT23 10k 1% Typical Operating Circuit appears at end of data sheet. 19-2742 Rev 3 6/15MAX4004/MAX4006 High-Accuracy, High-Side Current Monitors in SOT23 Absolute Maximum Ratings CLAMP to GND .....................................................-0.3V to +25V Operating Temperature Range ........................... -40C to +85C BIAS, REF to GND ................................................-0.3V to +25V Junction Temperature ......................................................+150C OUT to GND .......................................-0.3V to (V + 0.6V) Storage Temperature Range ............................ -65C to +150C CLAMP Short-Circuit, REF to GND ........................................Continuous Lead Temperature (soldering, 10s) .................................+300C Current into any Pin .........................................................30mA Continuous Power Dissipation (T = +70C) A 6-Pin SOT23 (derate 8.7mW/C above +70C) ..........696mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (V = 5V, GND = 0V, REF = Open, V = 0V (MAX4004), CLAMP = Open, T = -40C to +85C. Typical values are at T = +25C, BIAS OUT A A unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Bias Voltage Range V Inferred from power-supply rejection test 2.7 22 V BIAS I = 250nA 40 100 A REF Bias Quiescent Current I BIAS I = 2.5mA 3.6 4 mA REF Reference Voltage V I = 2.5mA V - 1.1 V - 0.8 V REF REF BIAS BIAS Thermal Shutdown REF shorted to GND, junction T 150 C SHDN Engage Temperature temperature rising Trip-Point Temperature REF shorted to GND, junction T 5 C HYS Hysteresis temperature falling Input Current Limit I V = V - 5V 20 mA LIM REF BIAS I = 250nA 0.3 REF f = 0.1Hz to 10Hz I = 2.5mA 63 MAX4004 REF i pA NOUT RMS Output Current Noise I = 250nA 9.2 REF f = 0.1Hz to 10kHz I = 2.5mA 1240 REF I = 250nA 0.041 REF f = 0.1Hz to 10Hz I = 2.5mA 0.63 MAX4006 REF e V NOUT RMS Output Voltage Noise I = 250nA 1.3 REF f = 0.1Hz to 10kHz I = 2.5mA 12.5 REF I = 250nA 50 G REF MAX4004 Output Resistance R I = 2.5mA 5 M OUT REF MAX4006 10 k Output Leakage REF = open 1 pA V = 2.7V to 22V, I = 0 to 1mA, BIAS REF 0 to V 0 to V - BIAS BIAS Output Voltage Range V MAX4004: I /I = 1%, V OUT OUT OUT - 1.5 0.85 MAX4006: IV /I = 1% OUT OUT Maxim Integrated 2 www.maximintegrated.com