ADRF6650 datasheet(12/61 Pages) AD

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ADRF6650

Data Sheet

Rev. A | Page 12 of 61

Pin No.

Mnemonic

Description

SDIO

SPI Data Input/Output (3-Wire Mode); Input Only (4-Wire Mode).

SDO

SPI Data Output (4-Wire Mode); Not Used (3-Wire Mode).

SPI Chip Select (Active Low).

RST

Reset (Active Low).

DCL_BIAS

VCO Core Bias Decouple Output.

VTUNE

Tuning Voltage (VTUNE) Input.

EXT_LO_IN+

External LO Positive Input.

EXT_LO_IN−

External LO Negative Input.

VCCVCO_3V3

VCO 3.3 V Supply.

VCCDIV_3V3

LO Chain and Divider 3.3 V Supply.

VCCFBDIV_3V3

PLL Feedback Divider 3.3 V Supply.

VCCLO_MIX_3V3

LO Mixer Output Buffer 3.3 V Supply.

VCCLO_AUX_3V3

LO External Output Buffer 3.3 V Supply.

LO_OUT+

External LO Positive Output.

LO_OUT−

External LO Negative Output.

GND

Charge Pump GND.

CPOUT

Charge Pump Output.

VCCCP_3V3

Charge Pump 3.3 V Supply.

VCCPFD_3V3

PFD 3.3 V Supply.

VCCREF_3V3

Reference Input Buffer 3.3 V Supply.

REF_IN

Reference Input Buffer.

SPILDO_OUT_1V8

SPI 1.8 V LDO External Decouple Output.

SDMLDO_OUT_1V8

SDM 1.8 V LDO External Decouple Output.

VBAT_DIG_3V3

SPI and SDM LDO 3.3 V Supply.

RXA_ATT_CLK

Channel A VGA Serial Gain Control (Up/Down) Clock.

RXA_ATT_DATA

Channel A VGA Serial Gain Control (Up/Down) Data.

VCC_DVGA_A

Channel A DSA and VGA VCC.

IFOUT_A+

Channel A VGA Positive Output.

IFOUT_A−

Channel A VGA Negative Output.

VCPL_A

Channel A VGA Decouple Output.

MIX_PU_A−

Channel A Mixer Amplifier Negative Output Pull-Up.

MIX_PU_A+

Channel A Mixer Amplifier Positive Output Pull-Up.

EPAD

Exposed Pad. The exposed pad must be connected to a ground plane with low thermal impedance.

ADRF6650 Datasheet(PDF) 12 Page - Analog Devices

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