AD9739A Analog Devices, AD9739A Datasheet - Page 32

• Manufacturer Part Number: AD9739A
• Description: 14-Bit, 2.5 GSPS, RF D/A Converter
• Manufacturer: Analog Devices

Specifications of AD9739A

• Resolution (bits): 14bit
• Dac Update Rate: 2.5GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): n/a
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9737A/AD9739A
f
DAC
Figure 113. Typical Single-Carrier WCDMA ACLR Performance at 2.8 GHz,
Figure 114. Typical Four-Carrier WCDMA ACLR Performance at 2.1 GHz,
= 2.4 GSPS, I
CENTER 2.807GHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–24.4dBm/
3.84MHz
CENTER 2.09758GHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–25.53dBm/
3.84MHz
f
DAC
f
DAC
OUTFS
= 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
= 20 mA, nominal supplies, T
(MHz)
(MHz)
REF
3.84
3.84
3.84
3.84
3.84
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)
A
= 25°C, unless otherwise noted.
Rev. | Page 32 of 64
C
Figure 115. 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
VBW 300kHz
BW
–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