AD9951YSVZ Analog Devices Inc, AD9951YSVZ Datasheet - Page 24

• Manufacturer Part Number: AD9951YSVZ
• Description: IC DDS DAC 14BIT 1.8V 48-TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9951YSVZ

• Resolution (bits): 14 b
• Master Fclk: 400MHz
• Tuning Word Width (bits): 32 b
• Voltage - Supply: 1.71 V ~ 1.96 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Data Rate: 25Mbps
• Rf Ic Case Style: TQFP
• No. Of Pins: 48
• Supply Voltage Range: 1.8V To 3.3V
• Operating Temperature Range: -40°C To +105°C
• Msl: MSL 3 - 168 Hours
• Ic Function: Direct Digital Synthesizer
• Digital Ic Case Style: TQFP
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Termination Type: SMD
• Ic Generic Number: 9951
• Base Number: 9951
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9951/PCB - BOARD EVAL FOR AD9951
• Lead Free Status / Rohs Status: Compliant

AD9951
SUGGESTED APPLICATION CIRCUITS
SIGNAL
REFCLK
REF
Figure 25. Synchronized LO for Upconversion/Down Conversion
Figure 26. Digitally Programmable Divide-by-N Function in PLL
FILTER
COMPARATOR
AD9951
PHASE
AD9951
TUNING
WORLD
RF/IF INPUT
LPF
FILTER
LOOP
MODULATED/
DEMODULATED
SIGNAL
VCO
Rev. A | Page 24 of 28
CRYSTAL
Figure 27. Two AD9951s Synchronized to Provide I and
Q Carriers with Independent Phase Offsets for Nulling
REFCLK
REFCLK
REFCLK
CRYSTAL OUT
FREQUENCY
FREQUENCY
TUNING
WORD
AD9951 DDS
AD9951 DDS
TUNING
WORD
WORD 1
WORD 2
OFFSET
OFFSET
SYNC OUT
PHASE
PHASE
SYNC IN
IOUT
IOUT
IOUT
IOUT
LPF
LPF
BASEBAND
BASEBAND
Q/Q-BAR
I/I-BAR
RF OUT