AD9779ABSVZ Analog Devices Inc, AD9779ABSVZ Datasheet - Page 34

• 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

AD9776A/AD9778A/AD9779A
Table 19. Interpolation Filter Modes, (Register 0x01, Bits<5:2>)
Interpolation
Factor<7:6>
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
4
4
4
4
4
4
4
4
2
2
2
2
Filter Mode<5:2>
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x00
0x01
0x02
0x03
Modulation
DC
DC shifted
f
f
f
f
3f
3f
f
f
−3f
−3f
−f
−f
−f
−f
DC
DC shifted
f
f
f
f
−f
−f
DC
DC shifted
f
f
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
/8
/8 shifted
/4
/4 shifted
/2
/2 shifted
DAC
DAC
/4
/4 shifted
/2
/2 shifted
/2
/2 shifted
/8
/8 shifted
/4
/4 shifted
/8
/8 shifted
/4
/4 shifted
/8
/8 shifted
Nyquist Zone
Pass Band
+1
+2
+3
+4
+5
+6
+7
+8
−8
−7
−6
−5
−4
−3
−2
−1
+1
+2
+3
+4
−4
−3
−2
−1
+1
+2
−2
−1
Rev. A | Page 34 of 60
Low
−0.05
+0.0125
+0.075
+0.1375
+0.2
+0.2625
+0.325
+0.3875
−0.55
−0.4875
−0.425
−0.3625
−0.3
−0.2375
−0.175
−0.1125
−0.1
+0.025
+0.15
+0.275
−0.6
−0.475
−0.35
−0.225
−0.2
+0.05
−0.7
−0.45
Frequency Normalized to f
Center
0
+0.0625
+0.125
+0.1875
+0.25
+0.3125
+0.375
+0.4375
−0.5
−0.4375
−0.375
−0.3125
−0.25
−0.1875
−0.125
−0.0625
0
+0.125
+0.25
+0.375
−0.5
−0.375
−0.25
−0.125
0
+0.25
−0.5
−0.25
High
+0.05
+0.1125
+0.175
+0.2375
+0.3
+0.3625
+0.425
+0.4875
−0.45
−0.3875
−0.343
−0.2625
−0.2
−0.1375
−0.075
−0.0125
+0.1
+0.225
+0.35
+0.475
−0.4
−0.275
−0.15
−0.025
+0.2
+0.45
−0.3
−0.05
DAC
Comments
In 8× interpolation;
BW (min) = 0.0375 × f
BW (max) = 0.1 × f
In 4× interpolation;
BW (min) = 0.075 × f
BW (max) = 0.2 × f
In 2× interpolation;
BW (min) = 0.15 × f
BW (max) = 0.4 × f
DAC
DAC
DAC
DAC
DAC
DAC