Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200035 Rev. E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • December 1, 2006

1

DD02-999, DD02-999LF: 650 MHz–3 GHz

Directional Detector

DATA SHEET

Features

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Frequency coverage: 650 MHz to 3 GHz

●

Low insertion loss: 0.2 dB typ. up to 2 GHz

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Directivity: 23 dB typ.

●

Small outline SC-88 (6-Lead SC-70)

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Built-in temperature compensating diode

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Low cost for high-volume handset applications

●

Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C

per JEDEC J-STD-020

Description

The DD02-999 directional detector is designed to operate from

650 MHz to 3 GHz. It contains a high-directivity directional

coupler, the coupled arm of which drives a GaAs Schottky

detector diode. It also contains an identical GaAs Schottky diode

used for temperature compensation. This part is packaged in the

miniature SC-88 package. The DD02-999LF is packaged in the

lead (Pb)-free SC-88 package and is fully compliant with current

RoHS requirements.

The DD02-999 provides detection of the input signal amplitude

only, by virtue of the directivity of the on-chip directional coupler.

The sensitivity of the detector diode is improved through the

application of an external 5 µA (nominal) forward bias current

produced by an external 1 V (nominal) voltage source. This bias

current is also applied to the temperature compensation diode.

Temperature compensation of the detected output voltage can be

accomplished by subtracting the output voltage from the temper-

ature compensation Schottky diode, which is thermally coupled

to the detector Schottky diode via their common substrate, from

the detected output voltage.

This part is rated to operate from -40 °C to 85 °C.

An evaluation board is available upon request.

RF Out

DC Bias/AC GND

Temp Comp Out

RF In

DC Bias/AC GND

Detected Out

Pin Out

Skyworks offers lead (Pb)-free, RoHS (Restriction of

Hazardous Substances)-compliant packaging.

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