MAX2015 19-2998 Rev 2 2/07 0.1GHz to 3GHz, 75dB Logarithmic Detector/Controller General Description Features The MAX2015 complete multistage logarithmic amplifier Complete RF Detector/Controller is designed to accurately convert radio-frequency (RF) 0.1GHz to 3GHz Frequency Range signal power in the 0.1GHz to 3GHz frequency range to Exceptional Accuracy Over Temperature an equivalent DC voltage. The outstanding dynamic range and precision over temperature of this log ampli- High Dynamic Range fier make it particularly useful for a variety of base sta- 2.7V to 5.25V Supply Voltage Range* tion and other wireless applications, including automatic gain control (AGC), transmitter power mea- Scaling Stable Over Supply and Temperature surements, and received signal strength indication Variations (RSSI) for terminal devices. Controller Mode with Error Output The MAX2015 can also be operated in a controller Shutdown Mode with Typically 1A of Supply mode where it measures, compares, and controls the Current output power of a variable-gain amplifier as part of a Available in 8-Pin MAX and TDFN Packages fully integrated AGC loop. This logarithmic amplifier provides much wider mea- *See Power-Supply Connections section. surement range and superior accuracy compared to MAX is a registered trademark of Maxim Integrated Products, Inc. controllers based on diode detectors, while achieving excellent temperature stability over the full -40C to Ordering Information +85C operating range. PIN- PKG PART TEMP RANGE Applications PACKAGE CODE AGC Measurement and Control MAX2015EUA -40C to +85C 8 MAX U8-1 MAX2015EUA-T -40C to +85C 8 MAX U8-1 RF Transmitter Power Measurement T = Tape-and-reel. RSSI Measurements +Denotes lead-free and RoHS compliance. Cellular Base Station, WLAN, Microwave Link, *EP = Exposed paddle. Radar, and other Military Applications Ordering Information continued at end of data sheet. Functional Diagram V CC 1, 4 POWER DETECTORS 8 2 OUT INHI 7 50 7dB 7dB 7dB SET 3 20k INLO 5 OFFSET AND COMMON- PWDN 20k MODE AMP MAX2015 6 GND Pin Configuration appears at end of data sheet. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com. EVALUATION KIT AVAILABLE0.1GHz to 3GHz, 75dB Logarithmic Detector/Controller ABSOLUTE MAXIMUM RATINGS V (Pins, 1, 4) to GND.......................................-0.3V to +5.25V Operating Temperature Range ...........................-40C to +85C CC SET, PWDN to GND....................................-0.3V to (V + 0.3V) Junction Temperature......................................................+150C CC Input Power Differential INHI, INLO................................+23dBm Storage Temperature Range .............................-65C to +150C Input Power Single Ended (INHI or INLO grounded).....+19dBm Lead Temperature (soldering, 10s) .................................+300C Continuous Power Dissipation (T = +70C) A 8-Pin MAX (derate 4.5mW/C above +70C) .............362mW 8-Pin TDFN (derate 18.5mW/C above +70C) .........1480mW 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. DC ELECTRICAL CHARACTERISTICS (MAX2015 typical application circuit (Figure 1), V = +3.3V, f = 100MHz to 3000MHz, R1 = 0, R4 = 0, R = 10k, T = -40C to S RF L A +85C, unless otherwise noted. Typical values are at T = +25C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY R4 = 75 1%, PWDN must be 4.75 5.25 connected to GND Supply Voltage V V S R4 = 0 2.7 3.6 T = +25C, V = 5.25V, A S 17.3 R4 = 75 Supply Current I mA CC T = +25C 17.3 20.5 A Supply Current Variation with Temp I T = -40C to +85C 0.05 mA/C CC A Shutdown Current I V = V 1A CC PWDN CC CONTROLLER REFERENCE (SET) SET Input Voltage Range 0.5 to 1.8 V SET Input Impedance 40 k DETECTOR OUTPUT (OUT) Source Current 4mA Sink Current 450 A Minimum Output Voltage V 0.5 V OUT(MIN) Maximum Output Voltage V 1.8 V OUT(MAX) 2 MAX2015