AD9780 Analog Devices, AD9780 Datasheet - Page 14

• Manufacturer Part Number: AD9780
• Description: Dual 12-Bit, LVDS Interface 500 MSPS DAC
• Manufacturer: Analog Devices

Specifications of AD9780

• Resolution (bits): 12bit
• Dac Update Rate: 500MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9780/AD9781/AD9783
Figure 36. AD9783 ACLR for Second Adjacent Channel Four-Carrier W-CDMA
Figure 37. AD9783 ACLR for Third Adjacent Channel Four-Carrier W-CDMA
Figure 35. AD9783 ACLR for First Adjacent Channel Four-Carrier W-CDMA
Over Digital Input Level Baseband and Mix Modes, at 491.52 MSPS,
Over Digital Input Level Baseband and Mix Modes, at 491.52 MSPS,
Over Digital Input Level Baseband and Mix Modes, at 491.52 MSPS,
–50
–55
–60
–65
–70
–75
–80
–85
–90
–50
–55
–60
–65
–70
–75
–80
–85
–90
–50
–55
–60
–65
–70
–75
–80
–85
–90
0
0
0
–3dB
–3dB
100
100
100
0dB
FS = 20 mA
FS = 20 mA
FS = 20 mA
200
200
200
–3dB
0dB
f
f
f
OUT
OUT
OUT
0dB
(MHz)
(MHz)
(MHz)
300
300
300
400
400
400
500
500
500
Rev. A | Page 14 of 36
Figure 38. Nominal Power in the Fundamental, FS = 20 mA, at 500 MSPS,
–0.2
–0.4
–0.6
–0.8
–0.1
–0.2
–0.3
–0.4
–0.5
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
0.8
0.6
0.4
0.2
0.1
1.0
0.5
0
0
0
0
0
0
60
Figure 40. AD9781 DNL, FS = 20 mA
Figure 39. AD9781 INL, FS = 20 mA
120
4096
4096
180
NORMAL MODE
FS = 20 mA
240
f
OUT
CODE
CODE
8192
8192
300
(MHz)
360
MIX MODE
420
12,288
12,288
480
540
16,383
16,383
600