LT5534

Features:

  RF Frequency Range: 50MHz to 3GHz
 Linear Dynamic Range: 60dB
 Exceptional Accuracy over Temperature and Power Supply
  Fast Transient Response: 38ns Full-Scale Settling Time
  Single 2.7V to 5.25V Supply
  Low Supply Current: 7mA
 Shutdown Current: 0.1mA
 Tiny 6-Lead SC70 Package


Application

  RF Receive Power Management
  RF Power Control
  CATV Power Detection
 Optical Receiver Gain Control


Pinout




Specifications

Power Supply Voltage ........................................... 5.5V
Enable Voltage ................................................... 0V, VCC
RF Voltage (+10dBm Equivalent) ............................ ±1V
Operating Ambient Temperature Range ..  40°C to 85°C
Storage Temperature Range ................. 65°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C

Description

The LT®5534 is a 50MHz to 3GHz monolithic RF power detector capable of measuring RF signals over a 60dB
dynamic range. The RF signal in a decibel scale is precisely converted into DC voltage on a linear scale. The 60dB input dynamic range is achieved using cascaded RF detectors and RF limiters. Their outputs are summed to generate an accurate log-linear DC voltage proportional to the input RF signal in dB. The output is buffered with a low output mpedance driver. The LT5534 delivers superior temperature stability (typical output variation within ±1dB over the full temperature range). The output responds in less than40ns to a large RF input signal.