AD9789 Analog Devices, AD9789 Datasheet - Page 18

• 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

AD9789
Figure 42. Zoomed 2-Channel QAM ACLR, f
Sum Scale = 20, Full-Scale Current = 25 mA, Span = 42 MHz, Channel 1
Figure 43. 4-Channel QAM ACLR, f
RMS RESULTS
CARRIER POWER
–21.56dBm/
6.00000MHz
RMS RESULTS
CARRIER POWER
–23.63dBm/
6.00000MHz
CENTER 840.00MHz
RES BW 30kHz
CENTER 834.00MHz
RES BW 30kHz
REF –35.91dBm
REF –35.96dBm
Full-Scale Current = 25 mA, Span = 18 MHz, Channel 1
3.375MHz 750.0kHz
6.375MHz 5.250MHz –73.85 –95.41
3.375MHz 750.0kHz
6.375MHz 5.250MHz –69.04 –92.67
12.00MHz 6.000MHz –70.38 –94.01
18.00MHz 6.000MHz –71.02 –94.65
OFFSET
OFFSET
FREQ.
FREQ.
ATTEN 2dB
ATTEN 2dB
VBW 300kHz
VBW 300kHz
REF BW
REF BW
OUT
= 840 MHz, Temperature = 25°C,
–75.37 –96.93
–70.33 –93.96
SWEEP 136.2ms (601 PTS)
SWEEP 58.4ms (601 PTS)
dBc
dBc
OUT
LOWER
LOWER
= 840 MHz, Sum Scale = 32,
dBm
dBm
SPAN 18MHz
SPAN 42MHz
–75.56 –97. 11
–72.54 –94.10
–11.07 –34.70
–0.49
0.00
0.43
dBc
dBc
UPPER
UPPER
–24.12
–23.63
–23.20
dBm
dBm
Rev. A | Page 18 of 76
Figure 44. Zoomed 2-Channel QAM ACLR, f
Sum Scale = 20, Full-Scale Current = 25 mA, Span = 42 MHz, Channel 4
Figure 45. 4-Channel QAM ACLR, f
RMS RESULTS
CARRIER POWER
–21.03dBm/
6.00000MHz
RMS RESULTS
CARRIER POWER
–23.23dBm/
6.00000MHz
CENTER 852.00MHz
RES BW 30kHz
REF –35.91dBm
CENTER 852.00MHz
RES BW 30kHz
REF –35.96dBm
Full-Scale Current = 25 mA, Span = 18 MHz, Channel 2
3.375MHz 750.0kHz
6.375MHz 5.250MHz –72.55 –93.58
3.375MHz 750.0kHz
6.375MHz 5.250MHz –0.75
12.00MHz 6.000MHz –0.59
18.00MHz 6.000MHz –0.35
OFFSET
OFFSET
FREQ.
FREQ.
ATTEN 2dB
ATTEN 2dB
VBW 300kHz
VBW 300kHz
REF BW
REF BW
OUT
= 840 MHz, Temperature = 25°C,
–75.51 –96.54
–11.10 –34.32
SWEEP 136.2ms (601 PTS)
SWEEP 58.4ms (601 PTS)
dBc
dBc
OUT
LOWER
LOWER
= 840 MHz, Sum Scale = 32,
–23.98
–23.81
–23.58
dBm
dBm
SPAN 42MHz
SPAN 18MHz
–75.17 –96.20
–73.90 –94.93
–72.19 –95.42
–68.97 –92.20
–70.32 –93.55
–70.70 –93.93
dBc
dBc
UPPER
UPPER
dBm
dBm