LTC5532 Precision 300MHz to 7GHz RF Detector with Gain and Offset Adjustment UFEATURESDESCRIPTIO ■ Temperature Compensated Internal Schottky The LTC®5532 is an RF power detector for RF applications Diode RF Detector operating in the 300MHz to 7GHz range. A temperature ■ Wide Input Frequency Range: 300MHz to 7GHz* compensated Schottky diode peak detector and buffer ■ Wide Input Power Range: –32dBm to 10dBm amplifier are combined in a small ThinSOTTM or (2mm × ■ Buffered Detector Output with External Gain Control 2mm) DFN package. The supply voltage range is opti- ■ Precision VOUT Offset Control mized for operation from a single lithium-ion cell or 3× ■ Low Starting Voltage: 120mV ± 35mV for Gain = 2x NiMH. ■ Wide VCC Range of 2.7V to 6V The RF input voltage is peak detected using an on-chip ■ Low Operating Current: 500µA Schottky diode. The detected voltage is buffered and ■ Available in a Low Profile (1mm) SOT-23 Package supplied to the V and Tiny 6-Lead (2mm × 2mm) DFN Package OUT pin. U The LTC5532 output buffer gain is set via external resis- APPLICATIO S tors. The initial starting voltage of 120mV ±35mV can be precisely adjusted using the V ■ 802.11a, 802.11b, 802.11g, 802.15 OS pin. ■ Multimode Mobile Phone Products The LTC5532 operates with RF input power levels from ■ Optical Data Links –32dBm to 10dBm. ■ Wireless Data Modems , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. ■ Wireless and Cable Infrastructure *Higher frequency operation is achievable with reduced performance. Consult factory for more information. ■ RF Power Alarm ■ Envelope Detector UTYPICAL APPLICATIOOutput Voltage vs RF Input Power(SOT-23 Package)300MHz to 7GHz RF Power Detector 3600 VCC = 3.6V (SOT-23 Package) 3200 TA = 25°C 1000MHz GAIN = 2 2800 V 33pF OS = 0V 1 RF 6 300MHz V 2400 RF CC V IN CC INPUT 2000 4000MHz LTC5532ES6 100pF 0.1µF 2 5 GND V 1600 OUT R 1200 A OUTPUT VOLTAGE (mV) 3 V 4 OS V V OUT 800 2000MHz REFERENCE OS M V 3000MHz 5000MHz RB 400 6000MHz 7000MHz 0 5532 TA01 –32 –27 –22 –17 –12 –7 –2 3 8 RF INPUT POWER (dBm) 5532 TA02 5532f 1
Купить LTC5532EDC#TRMPBF на РадиоЛоцман.Цены — от 111 до 831 ₽
