AD9956-VCO/PCBZ Analog Devices Inc, AD9956-VCO/PCBZ Datasheet - Page 2

• Manufacturer Part Number: AD9956-VCO/PCBZ
• Description: 400 Msps 14 Bit DDS EvBd. W/2450MHz VCO
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r

Specifications of AD9956-VCO/PCBZ

• Main Purpose: Timing, Direct Digital Synthesis (DDS)
• Utilized Ic / Part: AD9956
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9956
TABLE OF CONTENTS
Product Overview............................................................................. 3
Specifications..................................................................................... 4
Absolute Maximum Ratings.......................................................... 10
Pin Configuration and Function Descriptions........................... 11
Typical Performance Characteristics ........................................... 13
Typical Application Circuits.......................................................... 16
General Description ....................................................................... 18
REVISION HISTORY
9/04—Data Sheet Changed from Rev. 0 to Rev. A
Changes to the Pin Configuration................................................ 11
Changes to the Pin Function Descriptions ................................. 12
Changes to Table 5.......................................................................... 24
Changes to CFR2<15:12> PLLREF Divider
Control Bits (÷N)............................................................................ 31
Changes to CFR2<11:8> PLLREF Divider
Control Bits (÷M)........................................................................... 31
Changes to Ordering Guide .......................................................... 32
7/04—Revision: Initial Version
Loop Measurement Conditions.................................................. 9
ESD Caution................................................................................ 10
Application Circuit Explanations............................................. 17
DDS Core..................................................................................... 18
PLL Circuitry .............................................................................. 18
Rev. A | Page 2 of 32
Modes of Operation ....................................................................... 20
Serial Port Operation ..................................................................... 22
Register Map and Description ...................................................... 24
Outline Dimensions ....................................................................... 32
CML Driver................................................................................. 19
DDS Modes of Operation ......................................................... 20
Synchronization Modes for Multiple Devices.............................. 20
Instruction Byte .......................................................................... 23
Serial Interface Port Pin Description....................................... 23
MSB/LSB Transfers .................................................................... 23
Control Function Register Descriptions ................................. 27
Ordering Guide .......................................................................... 32