AD5428 Analog Devices, AD5428 Datasheet - Page 14

• Manufacturer Part Number: AD5428
• Description: Dual 8-Bit, High Bandwidth Multiplying DACs with Parallel Interface
• Manufacturer: Analog Devices

Specifications of AD5428

• Resolution (bits): 8bit
• Dac Update Rate: 21.3MSPS
• Dac Settling Time: 30ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD5428/AD5440/AD5447
–100
–100
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–20
–40
–60
–80
Figure 32. Narrow-Band SFDR, f
20
Figure 33. Narrow-Band SFDR, f
0
0
0
250
50
Figure 31. Wideband SFDR, f
0
0.5
300
60
1.0
350
70
400
1.5
80
FREQUENCY (MHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
2.0
450
90
100
OUT
500
2.5
OUT
OUT
= 50 kHz, Clock = 10 MHz
= 500 kHz, Clock = 25 MHz
= 100 kHz, Clock = 25 MHz
110
3.0
550
120
3.5
600
T
V
AMP = AD8038
65k CODES
T
V
AMP = AD8038
65k CODES
T
V
AMP = AD8038
65k CODES
A
A
A
DD
130
DD
DD
650
4.0


= 25°C
= 25°C
= 25°C
= 5V
= 3V
= 3V
140
4.5
700
150
750
5.0
Rev. C | Page 14 of 32
Figure 34. Narrow-Band IMD, f
–100
–100
Figure 35. Wideband IMD, f
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
300
250
200
150
100
50
0
0
0
100
70
0
75
50
ZERO SCALE LOADED TO DAC
Figure 36. Output Noise Spectral Density
MIDSCALE LOADED TO DAC
80
FULL SCALE LOADED TO DAC
100
85
1k
150
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (Hz)
90
OUT
OUT
= 90 kHz, 100 kHz, Clock = 25 MHz
= 90 kHz, 100 kHz, Clock = 10 MHz
200
95
100
250
10k
105
300
T
V
AMP = AD8038
65k CODES
T
V
AMP = AD8038
65k CODES
T
AMP = AD8038
A
A
DD
110
DD
A


Data Sheet
= 25°C
= 25°C
= 25°C
= 3V
= 5V
350
115
100k
120
400