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

100
–0.2
–0.4
–0.6
–0.8
–1.0
–0.5
–1.0
–1.5
90
80
70
60
50
0.6
0.4
0.2
1.5
1.0
0.5
0
0
0
0
0
40
2k
4× 100MSPS
80
Figure 37. AD9778A Typical DNL
Figure 38. AD9778A IMD vs. f
Figure 36. AD9778A Typical INL
2k
4k
120
4× Interpolation
4× 150MSPS
6k
160
4k
f
OUT
200
CODE
CODE
8k
(MHz)
240
6k
10k
280
OUT
12k
4× 200MSPS
,
320
8k
14k
360
400
10k
16k
Rev. B | Page 21 of 56
REF –25.39dBm
*AVG
log
10dB
PAVG
10
W1 S2
CENTER 143.88MHz
*RES BW 30kHz
RMS RESULTS
CARRIER POWER
–12.74dBm/
3.84000MHz
100
–60
–70
–80
–90
90
80
70
60
50
4× Interpolation, f
f
0
0
DATA
Figure 40. AD9778A ACLR, Single Carrier W-CDMA,
THIRD ADJACENT
= 122.88 MSPS, 4× Interpolation, f
25
Figure 39. AD9778A In-Band SFDR vs. f
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
20
50
CHANNEL
AD9776A/AD9778A/AD9779A
Figure 41. AD9778A ACLR,
DATA
f
75
*ATTEN 4dB
DATA
VBW 300kHz
2× Interpolation
= 122.88 MSPS, Amplitude = −3 dBFS
FIRST ADJACENT CHANNEL
REF BW
3.884MHz
3.840MHz
3.840MHz
100
= 160MSPS
40
f
f
OUT
OUT
125
(MHz)
(MHz)
dBc
–76.49
–80.13
–80.90
SECOND ADJACENT
CHANNEL
f
LOWER
DATA
150
60
SWEEP 162.2ms (601 pts)
dBm
–89.23
–92.87
–93.64
= 250MSPS
f
DAC
175
DATA
/4 Modulation
dBc
–76.89
–80.02
–79.53
= 200MSPS
200
80
OUT
UPPER
SPAN 50MHz
,
dBm
–89.63
–92.76
–92.27
225
100
250