AD9858BSVZ Analog Devices Inc, AD9858BSVZ Datasheet - Page 27

• Manufacturer Part Number: AD9858BSVZ
• Description: IC DDS DAC 10BIT 1GSPS 100-TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9858BSVZ

• Design Resources: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
• Resolution (bits): 10 b
• Master Fclk: 1GHz
• Tuning Word Width (bits): 32 b
• Voltage - Supply: 3.14 V ~ 3.47 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Pll Type: Frequency Synthesis
• Frequency: 1GHz
• Supply Voltage Range: 3.135 To 3.165V, 4.75V To 5.25V
• Digital Ic Case Style: TQFP
• No. Of Pins: 100
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9858/TLPCBZ - BOARD EVAL TRANSLATION LOOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

APPLICATIONS INFORMATION
TUNING WORD
FREQUENCY
TUNING WORD
FREQUENCY
32
32
1GSPS
DDS
Figure 39. DDS Synthesizer AD9858 as Fractional N Synthesizer (Implemented in Fractional Divide Evaluation Board)
DIVIDER
DDS/DAC CLOCK
1GSPS
150MHz
DDS
REFERENCE
1/2
Figure 37. DDS Synthesizer Translation Loop Oscillator (Implemented in Translation Loop Evaluation Board)
150MHz
2GHz
CLOCK 1000MHz
10
DDS/DAC
10
FILTER
DAC
DAC
Figure 38. DDS Synthesizer Single-Loop PLL Up-Conversion
DC TO 400MHz
AD9858
DC TO 400MHz
DIVIDER
FILTER
1/2/4
AD9858
DAC
FILTER
Rev. C | Page 27 of 32
TUNING WORD
FREQUENCY
FREQUENCY
DETECTOR
AD9858
DIVIDER
PHASE/
150MHz
1GSPS
32
1/2/4
DDS
DIVIDER
1/2/4
DC TO 150MHz
DC TO 150MHz
f
REF
1000
MHz
f
REF
FREQUENCY
DETECTOR
CHARGE PUMP
(0.5mA STEPS)
0.5mA TO 2mA
PHASE/
150MHz
FREQUENCY
DETECTOR
DIVIDER
PHASE/
150MHz
FILTER
1/2
CHARGE PUMP
0.5mA TO 2mA
(0.5mA STEPS)
CHARGE PUMP
(0.5mA STEPS)
0.5mA TO 2mA
ANALOG
FILTER
MIXER
2GHz MAX
FIXED
LOOP
LOOP
(LO1)
2GHz
VCO
FILTER
LOOP
2GHz ±150MHz
DIVIDER
FILTER
LOOP
VCO
F = M ×
VCO
AD9858
f
REF