The ADL5513 from Analog Devices is a Log Detector with Dynamic Range 58 to 80 dB, Frequency 1 MHz to 4 GHz, Input Power -67 to 8 dBm, Logarithmic Slope 21 mV/dB, Output Voltage 0.64 to 1.76 V. Tags: Surface Mount. More details for ADL5513 can be seen below.