AD9739 Analog Devices, AD9739 Datasheet - Page 16

• Manufacturer Part Number: AD9739
• Description: 14-Bit, 2500 MSPS, RF Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9739

• Resolution (bits): 14bit
• Dac Update Rate: 2.5GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9739
Figure 31. Typical Single-Carrier WCDMA ACLR Performance at 2.8 GHz,
Figure 32. Typical Four-Carrier WCDMA ACLR Performance at 2.1 GHz,
RMS RESULTS
CARRIER POWER
–24.4dBm/
3.84MHz
CENTER 2.09758GHz
#RES BW 30kHz
CENTER 2.807GHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–25.53dBm/
3.84MHz
f
DAC
f
DAC
= 2457.6 MSPS (Second Nyquist Zone)
= 2457.6 MSPS (Third Nyquist Zone)
FREQ
OFFSET
(MHz)
5
10
15
20
25
FREQ
OFFSET
(MHz)
5
10
15
20
25
30
(MHz)
REF
3.84
3.84
3.84
3.84
3.84
(MHz)
BW
REF
3.84
3.84
3.84
3.84
3.84
3.84
VBW 300kHz
VBW 300kHz
BW
–64.90
–66.27
–68.44
–70.20
–70.85
–66.68
–68.01
–68.61
–68.87
–69.21
(dBc)
(dBc)
0.22
LOWER
LOWER
–89.30
–90.67
–92.84
–94.60
–95.25
(dBm)
–25.31
–92.21
–93.53
–94.14
–94.40
–94.74
(dBm)
SWEEP 174.6ms (601pts)
SWEEP 207ms (601pts)
–63.82
–65.70
–66.55
–68.95
–70.45
–66.82
–67.83
–67.64
–68.50
(dBc)
(dBc)
0.24
0.14
UPPER
UPPER
SPAN 63.84MHz
SPAN 53.84MHz
–88.22
–90.10
–90.95
–93.35
–94.85
(dBm)
–25.29
–25.38
–92.35
–93.36
–93.17
–94.03
(dBm)
Rev. B | Page 16 of 48
Figure 33. Typical Four-Carrier WCDMA ACLR Performance at 2.8 GHz,
CENTER 2.81271GHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–27.98dBm/
3.84MHz
f
DAC
= 2457.6 MSPS (Third Nyquist Zone)
FREQ
OFFSET
(MHz)
5
10
15
20
25
30
(MHz)
REF
3.84
3.84
3.84
3.84
3.84
3.84
BW
VBW 300kHz
–64.32
–66.03
–66.27
–66.82
–67.16
(dBc)
–0.42
LOWER
–28.40
–92.30
–94.01
–94.24
–94.79
–95.13
(dBm)
SWEEP 207ms (601pts)
–65.37
–66.06
–63.36
–66.54
(dBc)
–0.10
–0.08
UPPER
SPAN 63.84MHz
–28.07
–28.06
–93.34
–94.03
–93.34
–94.51
(dBm)
Data Sheet