AD9789 Analog Devices, AD9789 Datasheet - Page 17

• Manufacturer Part Number: AD9789
• Description: 14-Bit, 2400 MSPS RF DAC with 4-Channel Signal Processing
• Manufacturer: Analog Devices

Specifications of AD9789

• Resolution (bits): 14bit
• Dac Update Rate: 2.4GSPS
• Dac Settling Time: 13ns
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

Figure 38. 1-Channel QAM ACLR, f
RMS RESULTS
CARRIER POWER
–18.10dBm/
6.00000MHz
RMS RESULTS
CARRIER POWER
–21.75dBm/
6.00000MHz
Figure 39. 2-Channel QAM ACLR, f
CENTER 840.00MHz
RES BW 56kHz
CENTER 840.00MHz
RES BW 30kHz
REF –32.76dBm
REF –35.91dBm
Sum Scale = 48, Full-Scale Current = 20 mA, Span = 42 MHz
Full-Scale Current = 25 mA, Span = 42 MHz, Channel 1
3.375MHz 750.0kHz
6.375MHz 5.250MHz –75.01 –93.11
12.00MHz 6.000MHz –76.83 –94.92
18.00MHz 6.000MHz –77.17 –95.26
3.375MHz 750.0kHz
6.375MHz 5.250MHz –73.71 –95.47
12.00MHz 6.000MHz –73.58 –95.33
18.00MHz 6.000MHz –73.70 –95.45
OFFSET
OFFSET
FREQ.
FREQ.
ATTEN 2dB
ATTEN 2dB
VBW 560kHz
VBW 300kHz
REF BW
REF BW
OUT
OUT
= 840 MHz, Temperature = 25°C,
–65.57 –83.66
–71.64 –93.39
SWEEP 39.12ms (601 PTS)
SWEEP 136.2ms (601 PTS)
= 840 MHz, Sum Scale = 32,
dBc
dBc
LOWER
LOWER
dBm
dBm
SPAN 42MHz
SPAN 42MHz
–68.98 –87.07
–74.62 –92.71
–76.46 –94.55
–76.56 –94.66
–72.50 –94.25
–66.72 –88.47
–66.72 –88.48
0.50
dBc
dBc
UPPER
UPPER
–21.10
dBm
dBm
Rev. A | Page 17 of 76
Figure 40. 1-Channel QAM ACLR, f
RMS RESULTS
CARRIER POWER
–17.98dBm/
6.00000MHz
RMS RESULTS
CARRIER POWER
–21.29dBm/
6.00000MHz
Figure 41. 2-Channel QAM ACLR, f
CENTER 840.00MHz
RES BW 30kHz
START 831.00MHz
RES BW 30kHz
REF –32.76dBm
REF –35.91dBm
Sum Scale = 48, Full-Scale Current = 20 mA, Span = 18 MHz
Full-Scale Current = 25 mA, Span = 42 MHz, Channel 2
3.375MHz 750.0kHz
6.375MHz 5.250MHz –74.94 –92.92
3.375MHz 750.0kHz
6.375MHz 5.250MHz –69.05 –90.34
12.00MHz 6.000MHz
18.00MHz 6.000MHz –66.61 –87.90
OFFSET
OFFSET
FREQ.
FREQ.
ATTEN 2dB
ATTEN 2dB
VBW 300kHz
VBW 300kHz
REF BW
REF BW
OUT
OUT
= 840 MHz, Temperature = 25°C,
–73.99 –91.97
–70.07 –92.16
SWEEP 136.2ms (601 PTS)
–0.49 –21.78
= 840 MHz, Sum Scale = 32,
SWEEP 58.4ms (601 PTS)
dBc
dBc
LOWER
LOWER
dBm
dBm
STOP 873MHz
SPAN 18MHz
–74.93 –92.91
–75.35 –93.33
–73.20 –94.49
–73.87 –95.16
–73.29 –94.58
–73.98 –95.27
dBc
dBc
AD9789
UPPER
UPPER
dBm
dBm