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MAX2016ETI+D Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX2016ETI+D Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 19 page General Description The MAX2016 dual logarithmic detector/controller is a fully integrated system designed for measuring and comparing power, gain/loss, and voltage standing-wave ratio (VSWR) of two incoming RF signals. An internal broadband impedance match on the two differential RF input ports allows for the simultaneous monitoring of sig- nals ranging from low frequency to 2.5GHz. The MAX2016 uses a pair of logarithmic amplifiers to detect and compare the power levels of two RF input signals. The device internally subtracts one power level from the other to provide a DC output voltage that is pro- portional to the power difference (gain). The MAX2016 can also measure the return loss/VSWR of an RF signal by monitoring the incident and reflected power levels associated with any given load. A window detector is easily implemented by using the on-chip comparators, OR gate, and 2V reference. This combination of circuitry provides an automatic indication of when the measured gain is outside a programmable range. Alarm monitoring can thus be implemented for detecting high-VSWR states (such as open or shorted loads). The MAX2016 operates from a single +2.7V to +5.25V* power supply and is specified over the extended -40°C to +85°C temperature range. The MAX2016 is available in a space-saving, 5mm x 5mm, 28-pin thin QFN. Applications Return Loss/VSWR Measurements Dual-Channel RF Power Measurements Dual-Channel Precision AGC/RF Power Control Log Ratio Function for RF Signals Remote System Monitoring and Diagnostics Cellular Base Station, Microwave Link, Radar, and other Military Applications RF/IF Power Amplifier (PA) Linearization Features ♦ Complete Gain and VSWR Detector/Controller ♦ Dual-Channel RF Power Detector/Controller ♦ Low-Frequency to 2.5GHz Frequency Range ♦ Exceptional Accuracy Over Temperature ♦ High 80dB Dynamic Range ♦ 2.7V to 5.25V Supply Voltage Range* ♦ Internal 2V Reference ♦ Scaling Stable Over Supply and Temperature Variations ♦ Controller Mode with Error Output ♦ Available in 5mm x 5mm 28-Pin Thin QFN Package *See Power-Supply Connection section. LF-to-2.5GHz Dual Logarithmic Detector/ Controller for Power, Gain, and VSWR Measurements ________________________________________________________________ Maxim Integrated Products 1 FA1 1 VCC 2 RFINA+ 3 RFINA- 4 GND 5 COUTH 6 CSETH 7 FB1 21 VCC 20 RFINB+ 19 RFINB- 18 GND 17 COUTL 16 CSETL 15 8 9 10 11 12 13 14 28 27 26 25 24 23 22 MAX2016 THIN QFN Pin Configuration Ordering Information 19-3404; Rev 0; 9/04 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. EVALUATION KIT AVAILABLE PART TEMP RANGE PIN- PACKAGE PKG CODE MAX2016ETI -40 °C to +85°C 28 Thin QFN-EP*, bulk T2855-3 MAX2016ETI-T -40 °C to +85°C 28 Thin QFN-EP*, T/R T2855-3 MAX2016ETI+D -40 °C to +85°C 28 Thin QFN-EP*, lead free, bulk T2855-3 MAX2016ETI+TD -40 °C to +85°C 28 Thin QFN-EP*, lead free, T/R T2855-3 *EP = Exposed pad. + = Lead free. D = Dry pack. Typical Application Circuit appears at end of data sheet. |
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