AD9864 datasheet(9/48 Pages) AD

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AD9864

Data Sheet

Rev. A | Page 8 of 47

Pin No.

Mnemonic

Description

GNDH

Ground for Digital Interface.

SYNCB

Resets SSI and Decimator Counters; Active Low. Connect to VDDH if unused.

GNDS

Substrate Ground.

FREF

Reference Frequency Input for Both Synthesizers.

GNDL

Ground for LO Synthesizer.

GNDP

Ground for LO Synthesizer Charge Pump.

IOUTL

LO Synthesizer Charge Pump Out Current.

VDDP

Positive Supply for LO Synthesizer Charge Pump.

VDDL

Positive Supply for LO Synthesizer.

CXVM

External Filter Capacitor; DC Output of LNA.

LON

LO Input to Mixer and LO Synthesizer, Negative.

LOP

LO Input to Mixer and LO Synthesizer, Positive.

CXVL

External Bypass Capacitor for LNA Power Supply.

GNDI

Ground for Mixer and LNA.

CXIF

External Capacitor for Mixer V-I Converter Bias.

IFIN

First IF Input (to LNA).

VDDI

Positive Supply for LNA and Mixer.

EPAD

Exposed Pad. The backside paddle contact is not connected to ground. A PCB ground

pad is optional.

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