LTC5530 Linear Technology, LTC5530 Datasheet

LTC5530

Manufacturer Part Number

LTC5530

Description

Precision 300MHz to 7GHz RF Detector

Manufacturer

Linear Technology

Datasheet

1.LTC5530.pdf (12 pages)

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FEATURES

APPLICATIO S

TYPICAL APPLICATIO

Temperature Compensated Internal Schottky

Diode RF Detector

Wide Input Frequency Range: 300MHz to 7GHz*

Wide Input Power Range: –32dBm to 10dBm

Buffered Detector Output with External Gain Control

Low Starting Voltage: 120mV 35mV for Gain = 2X

Wide V

Low Operating Current: 500 A

Low Shutdown Current: <2 A

Available in a Low Profile (1mm) SOT-23 Package

802.11a, 802.11b, 802.11g, 802.15, 802.16

Multimode Mobile Phone Products

Optical Data Links

Wireless Data Modems

Wireless and Cable Infrastructure

RF Power Alarm

Envelope Detector

DISABLE ENABLE

INPUT

300MHz to 7GHz RF Power Detector

Range of 2.7V to 6V

33pF

GND

SHDN

LTC5530

5530 TA01

OUT

100pF

0.1 F

RF Detector with Shutdown

DESCRIPTIO

The LTC

operating in the 300MHz to 7GHz range. A temperature

compensated Schottky diode peak detector and buffer

amplifier are combined in a small ThinSOT

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 V

external resistors. A power saving shutdown mode re-

duces current to less than 2 A.

The LTC5530 operates with input power levels from

ThinSOT is a trademark of Linear Technology Corporation.

information.

–32dBm to 10dBm.

Higher frequency operation is achievable with reduced performance. Consult factory for more

Precision 300MHz to 7GHz

, LTC and LT are registered trademarks of Linear Technology Corporation.

5530 is an RF power detector for RF applications

and Gain Adjustment

3600

3200

2800

2400

2000

1600

1200

800

400

–32 –28 –24 –20 –16 –12 –8 –4

Output Voltage vs RF Input Power

GAIN = 2

OUT

= 25 C

= 3.6V

pin. The output buffer gain is set via

RF INPUT POWER (dBm)

7000MHz

6000MHz

5000MHz

4000MHz

3000MHz

2000MHz

1000MHz

300MHz

LTC5530

5530 TA02

package. The

5530f

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