AD9779ABSVZ Analog Devices Inc, AD9779ABSVZ Datasheet - Page 21

• Manufacturer Part Number: AD9779ABSVZ
• Description: IC DAC 16BIT 1.0GSPS 100TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9779ABSVZ

• Data Interface: Serial
• 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 Bits: 16
• Number Of Converters: 2
• Voltage Supply Source: Analog and Digital
• Power Dissipation (max): 300mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Resolution (bits): 16bit
• Sampling Rate: 1GSPS
• Input Channel Type: Parallel
• Digital Ic Case Style: QFP
• No. Of Pins: 100
• Operating Temperature Range: -40°C To +85°C
• Number Of Channels: 2
• Resolution: 16b
• Interface Type: Parallel
• Single Supply Voltage (typ): 3.3V
• Dual Supply Voltage (typ): Not RequiredV
• Architecture: Interpolation Filter
• Power Supply Requirement: Analog and Digital
• Output Type: Current
• Single Supply Voltage (min): 3.13V
• Single Supply Voltage (max): 3.47V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: TQFP EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9779A-EBZ - BOARD EVALUATION FOR AD9779A
• Settling Time: -
• Lead Free Status / Rohs Status: 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