AD9779A-DPG2-EBZ Analog Devices Inc, AD9779A-DPG2-EBZ Datasheet - Page 21

• Manufacturer Part Number: AD9779A-DPG2-EBZ
• Description: Dual 16B, 1.0 GSPS TxDAC
• Manufacturer: Analog Devices Inc

Specifications of AD9779A-DPG2-EBZ

• Design Resources: Interfacing ADL5370 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0016) Interfacing ADL5371 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0017) Interfacing ADL5372 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0018) Interfacing ADL5373 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0019) Interfacing ADL5374 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0020) Interfacing ADL5375 to AD9779A Dual-Channel, 1 GSPS High Speed DAC (CN0021)
• Number Of Dac's: 2
• Number Of Bits: 16
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 1G
• Data Interface: Serial
• Dac Type: Current
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9779A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REF –25.29dBm
*AVG
Log
10dB
PAVG
10
W1 S2
CENTER 143.88MHz
*RES BW 30kHz
RMS RESULTS
CARRIER POWER
–12.67dBm/
3.84000MHz
Figure 48. AD9776A ACLR, f
Figure 49. AD9776A, Single Carrier W-CDMA, 4× Interpolation,
–55
–60
–65
–70
–75
–80
–85
–90
0
25
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
f
DATA
50
3RD ADJ CHAN
= 122.88 MSPS, Amplitude = −3 dBFS
*ATTEN 4dB
VBW 300kHz
75
f
REF BW
3.884MHz
3.840MHz
3.840MHz
DAC
100
/4 Modulation
DATA
F
OUT
= 122.88 MSPS, 4× Interpolation,
125
dBc
–75.00
–78.05
–77.73
(MHz)
LOWER
SWEEP 162.2ms (601 pts)
2ND ADJ CHAN
1ST ADJ CHAN
150
dBm
–87.67
–90.73
–90.41
175
dBc
–75.30
–77.99
–77.50
UPPER
SPAN 50MHz
200
dBm
–87.97
–90.66
–90.17
225
250
Rev. A | Page 21 of 60
Figure 50. AD9776A Noise Spectral Density vs. f
–150
–154
–158
–162
–166
–170
–150
–154
–158
–162
–166
–170
0
0
Figure 51. AD9776A Noise Spectral Density vs. f
f
Single Tone Input at −6 dBFS, f
DAC
10
10
with 500 kHz Spacing, f
= 200MSPS
f
20
20
DAC
AD9776A/AD9778A/AD9779A
f
DAC
= 800MSPS
f
30
30
DAC
= 200MSPS
= 800MSPS
40
40
f
f
OUT
OUT
50
50
(MHz)
(MHz)
DATA
f
f
DAC
DAC
60
60
DATA
= 200 MSPS
= 400MSPS
= 400MSPS
= 200 MSPS
70
70
OUT
, Eight-Tone Input
80
80
OUT
90
90
,
100
100