AD9789 Analog Devices, AD9789 Datasheet - Page 20

• 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 53. IMD vs. f
Figure 52. SFDR vs. f
Figure 54. ACLR vs. f
Full-Scale Current = 20 mA (Second Nyquist Zone Performance)
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
90
85
80
75
70
65
60
55
50
45
40
35
30
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400
1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400
1150 1250 1350 1450 1550 1650 1750 1850 1950 2050 2150 2250
OUT
FIRST ADJACENT CHANNE L
SECOND ADJACENT CHANNE L
THIRD ADJACENT CHANNE L
FIFTH ADJACENT CHANNE L
OUT
OUT
(Second Nyquist Zone Performance)
(Second Nyquist Zone Performance)
in Mix Mode, f
in Mix Mode with One-Carrier WCDMA, f
in Mix Mode, f
f
f
OUT
OUT
f
DAC
OUT
DAC
(MHz)
(MHz)
= 2.4 GHz, Full-Scale Current = 20 mA
= 2.4 GHz, Full-Scale Current = 20 mA
(MHz)
DAC
= 2304 MHz,
Rev. A | Page 20 of 76
RMS RESULTS
CARRIER POWER
–19.95dBm/
3.84000MHz
RMS RESULTS
CARRIER POWER
–26.06dBm/
3.84000MHz
Figure 56. Four-Carrier WCDMA ACLR in Mix Mode, f
Figure 55. One-Carrier WCDMA ACLR in Mix Mode, f
CENTER 2.100GHz
RES BW 30kHz
CENTER 2.102 50GHz
RES BW 30kHz
REF –32.62dBm
REF –38.62dBm
f
f
DAC
DAC
= 2304 MHz, Full-Scale Current = 20 mA
= 2304 MHz, Full-Scale Current = 20 mA
5.000MHz 3.840MHz –68.93 –88.88
10.00MHz 3.840MHz –71.31 –91.26
15.00MHz 3.840MHz –73.43 –93.37
20.00MHz 3.840MHz –75.12 –95.07
25.00MHz 3.840MHz –75.60 –95.55
5.000MHz 3.840MHz
10.00MHz 3.840MHz
15.00MHz 3.840MHz –64.07 –90.13
20.00MHz 3.840MHz –65.36 –91.42
25.00MHz 3.840MHz –66.86 –92.92
30.00MHz 3.840MHz –67.83 –93.89
OFFSET
OFFSET
FREQ.
FREQ.
ATTEN 0dB
ATTEN 2dB
VBW 300kHz
VBW 300kHz
REF BW
REF BW
SWEEP 174.6ms (601 PTS)
–0.25 –26.31
–0.42 –26.48
dBc
dBc
SWEEP 207ms (601 PTS)
LOWER
LOWER
dBm
dBm
SPAN 53.84MHz
SPAN 63.84MHz
–67.99 –87.94
–70.42 –90.37
–72.68 –92.63
–74.89 –94.84
–76.51 –96.46
–65.13 –91.18
–66.97 –93.03
–68.70 –94.76
–68.64 –94.70
OUT
–63.50 –89.56
OUT
–0.42 –26.47
dBc
dBc
= 2.1 GHz,
= 2.1 GHz,
UPPER
UPPER
dBm
dBm