LTC5532

Final Electrical Specifications LTC5532 300MHz to 7GHz Precision RF Power Detector with Gain and Offset Adjustment August 2003 FEATURES s s s s s s s s s DESCRIPTIO Temperature Compensated Internal Schottky Diode RF Detector Wide Input Frequency Range: 300MHz to 7GHz Wide Input Power Range: –32dBm to 8dBm Buffered Detector Output with External Gain Control Precision VOUT Offset Control Low Offset Voltage: 120mV ±35mV for Gain = 2x Wide VCC Range of 2.7V to 6V Low Operating Current: 500µA Available in a Low Profile (1mm) SOT-23 Package The LTC®5532 is an RF power detector for RF applications operating in the 300MHz to 7GHz range. A temperature compensated Schottky diode peak detector and buffer amplifier are combined in a small ThinSOTTM package. The supply voltage range is optimized for operation from a single lithium-ion cell or 3xNiMH. The RF input voltage is peak detected using an on-chip Schottky diode. The detected voltage is buffered and supplied to the VOUT pin. The LTC5532 output buffer gain is set via external resistors. The initial offset voltage of 120mV ±35mV can be precisely adjusted using the VOS pin. The LTC5532 operates with input power levels from –32dBm to 8dBm. , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. U APPLICATIO S s s s s s s s 802.11a, 802.11b, 802.11g, 802.15 Multimode Mobile Phone Products Optical Data Links Wireless Data Modems Wireless and Cable Infrastruc...