AD9777-EBZ Analog Devices Inc, AD9777-EBZ Datasheet - Page 40

• Manufacturer Part Number: AD9777-EBZ
• Description: 16Bit 400 MSPS Dual TxDAC+ D/A Converter
• Manufacturer: Analog Devices Inc
• Series: TxDAC+®r

Specifications of AD9777-EBZ

• Number Of Dac's: 2
• Number Of Bits: 16
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 160M
• Data Interface: Parallel
• Settling Time: 11ns
• Dac Type: Current
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9777
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9777
IMAGINARY
IMAGINARY CHANNEL (IN)
REAL CHANNEL (IN)
REAL
A
B
DC
DC
1
2
F
F
C
Q
= COMPLEX MODULATION FREQUENCY
= QUADRATURE MODULATION FREQUENCY
QUADRATURE
MODULATOR
Figure 79. Two-Stage Upconversion and Resulting Image Rejection
MODULATOR
COMPLEX
OUT
Rev. C | Page 40 of 60
–B/2J
–A/2J
–A/4 – B/4J
–F
IMAGINARY CHANNEL (OUT)
A/4 + B/4J A/4 – B/4J
–F
A/2
B/2
–F
–F
–F
A/2 + B/2J
C
Q
REAL CHANNEL (OUT)
C
C
C
1
– F
C
–F
–F
–F
Q
2
Q
Q
A/4 – B/4J
–F
Q
REJECTED IMAGES
+ F
C
B/2J
A/2J
A/2
B/2
F
F
–F
F
C
C
C
C
A/4 + B/4J A/4 – B/4J
A/4 + B/4J –A/4 + B/4J
F
Q
– F
TO QUADRATURE
MODULATOR
C
F
F
F
Q
Q
Q
A/2 – B/2J
F
Q
+ F
C