Datasheet LTC5536 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 600MHz to 7GHz Precision RF Detector with Fast Comparator Output |
| 页数 / 页 | 12 / 1 — FEATURES. DESCRIPTIO. Temperature Compensated Internal Schottky. Diode RF … |
| 文件格式/大小 | PDF / 169 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTIO. Temperature Compensated Internal Schottky. Diode RF Detector. Wide Input Frequency Range: 600MHz to 7GHz*
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LTC5536 600MHz to 7GHz Precision RF Detector with Fast Comparator Output
U FEATURES DESCRIPTIO
■
Temperature Compensated Internal Schottky
The LTC®5536 is an RF power detector for RF applications
Diode RF Detector
operating in the 600MHz to 7GHz range. A temperature ■
Wide Input Frequency Range: 600MHz to 7GHz*
compensated Schottky diode peak detector and fast com- ■
Wide Input Power Range: –26dBm to 12dBm
parator are combined in a small ThinSOTTM package. The ■
Fast Comparator Output with Latch Enable
supply voltage range is optimized for operation from a ■
25ns Response Time with 0dBm RF Input Level
single cell lithium-ion or three cell NiMH battery. ■
Rail-to-Rail Output Swing
The RF input voltage is peak detected using an on-chip ■
Comparator Output Current:
±
20mA
Schottky diode. The detected voltage is compared against ■
Wide VCC Range of 2.7V to 5.5V
a reference voltage at V ■ Low Operating Current: 2mA M. ■ Available in a Low Profile (1mm) SOT-23 Package The response time from the RF input to VOUT can be as little
U
as 20ns. The comparator output is latched when LEN is
APPLICATIO S
high or is transparent when LEN is low. ■ RF Signal Presence Detectors for: The LTC5536 operates with RF input power levels from 802.11a, 802.11b, 802.11g, 802.15 –26dBm to 12dBm. Optical Data Links , LTC and LT are registered trademarks of Linear Technology Corporation. Wireless Data Modems ThinSOT is a trademark of Linear Technology Corporation. *Operation at higher frequencies is possible with reduced performance. Wireless and Cable Infrastructure ■ RF Power Alarm ■ Envelope Detector ■ RF ID Tag Reader
U TYPICAL APPLICATIO VM Comparator Switching Voltage vs RF Input Power, 600MHz – 7GHz
3200 600MHz VCC = 3.6V
600MHz to 7GHz RF Power Detector
1000MHz V 2800 LEN = 0V 2000MHz TA = 25°C 3000MHz 2400 4000MHz 33pF LTC5536 5000MHz 1 RF 6 2000 V RF CC V 6000MHz IN CC INPUT 7000MHz 100pF 0.1µF 1600 2 5 GND VOUT 1200 SWITCHING VOLTAGE (mV) 800 3 V 4 M M V LEN DISABLE ENABLE V REFERENCE M 400 5536 TA01 0 –28 –24 –20 –16 –12 –8 –4 0 4 8 12 INPUT RF POWER (dBm) 5536 TA01b 5536f 1
U FEATURES DESCRIPTIO
■
Temperature Compensated Internal Schottky
The LTC®5536 is an RF power detector for RF applications
Diode RF Detector
operating in the 600MHz to 7GHz range. A temperature ■
Wide Input Frequency Range: 600MHz to 7GHz*
compensated Schottky diode peak detector and fast com- ■
Wide Input Power Range: –26dBm to 12dBm
parator are combined in a small ThinSOTTM package. The ■
Fast Comparator Output with Latch Enable
supply voltage range is optimized for operation from a ■
25ns Response Time with 0dBm RF Input Level
single cell lithium-ion or three cell NiMH battery. ■
Rail-to-Rail Output Swing
The RF input voltage is peak detected using an on-chip ■
Comparator Output Current:
±
20mA
Schottky diode. The detected voltage is compared against ■
Wide VCC Range of 2.7V to 5.5V
a reference voltage at V ■ Low Operating Current: 2mA M. ■ Available in a Low Profile (1mm) SOT-23 Package The response time from the RF input to VOUT can be as little
U
as 20ns. The comparator output is latched when LEN is
APPLICATIO S
high or is transparent when LEN is low. ■ RF Signal Presence Detectors for: The LTC5536 operates with RF input power levels from 802.11a, 802.11b, 802.11g, 802.15 –26dBm to 12dBm. Optical Data Links , LTC and LT are registered trademarks of Linear Technology Corporation. Wireless Data Modems ThinSOT is a trademark of Linear Technology Corporation. *Operation at higher frequencies is possible with reduced performance. Wireless and Cable Infrastructure ■ RF Power Alarm ■ Envelope Detector ■ RF ID Tag Reader
U TYPICAL APPLICATIO VM Comparator Switching Voltage vs RF Input Power, 600MHz – 7GHz
3200 600MHz VCC = 3.6V
600MHz to 7GHz RF Power Detector
1000MHz V 2800 LEN = 0V 2000MHz TA = 25°C 3000MHz 2400 4000MHz 33pF LTC5536 5000MHz 1 RF 6 2000 V RF CC V 6000MHz IN CC INPUT 7000MHz 100pF 0.1µF 1600 2 5 GND VOUT 1200 SWITCHING VOLTAGE (mV) 800 3 V 4 M M V LEN DISABLE ENABLE V REFERENCE M 400 5536 TA01 0 –28 –24 –20 –16 –12 –8 –4 0 4 8 12 INPUT RF POWER (dBm) 5536 TA01b 5536f 1