AD9745 Analog Devices, AD9745 Datasheet - Page 16

• Manufacturer Part Number: AD9745
• Description: Dual 12-Bit 250 MSPS Digital-to-Analog Converters
• Manufacturer: Analog Devices

Specifications of AD9745

• Resolution (bits): 12bit
• Dac Update Rate: 250MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9741/AD9743/AD9745/AD9746/AD9747
Figure 20. ACLR vs. Bit Resolution, Single Carrier WCDMA, 245.76 MSPS,
–1
–2
–3
–4
–5
85
80
75
70
65
60
55
50
Figure 19. Nominal Power in the Fundamental, I
1
0
0
NORMAL MODE
AD9741
25
50
AD9743
75
f
CARRIER
100
f
= 61.44 MHz
OUT
AD9745
125
(MHz)
150
MIX MODE
AD9746
175
200
FS
= 20 mA
AD9747
225
250
Rev. 0 | Page 16 of 28
Figure 21. NSD vs. Bit Resolution, Single Carrier WCDMA, 245.76 MSPS, f
–130
–135
–140
–145
–150
–155
–160
–165
AD9741
AD9743
f
CARRIER
= 61.44 MHz
AD9745
AD9746
AD9747
CARRIER