AD5425 Analog Devices, AD5425 Datasheet - Page 11

• Manufacturer Part Number: AD5425
• Description: High Bandwidth, CMOS 8-Bit Serial Interface Multiplying D/A Converter
• Manufacturer: Analog Devices

Specifications of AD5425

• Resolution (bits): 8bit
• Dac Update Rate: 2.47MSPS
• Dac Settling Time: 100ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

–100
–120
–100
–110
–60
–65
–70
–75
–80
–85
–90
–20
–40
–60
–80
–10
–20
–30
–40
–50
–60
–70
–80
–90
20
0
0
1
1
0
Figure 24. Wideband SFDR, Clock = 2 MHz, f
T
V
V
V
AMPLIFIER = AD8038
A
DD
REF
DD
= 25°C
Figure 23. Power Supply Rejection vs. Frequency
= 3V
= 3V
= 3.5V p-p
10
Figure 22. THD and Noise vs. Frequency
10
200k
100
FULL SCALE
100
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
400k
1k
ZERO SCALE
1k
10k
600k
10k
100k
T
V
V
AD8038 AMPLIFIER
A
DD
REF
= 25°C
= 5V
OUT
800k
= 3.5V
100k
= 50 kHz
1M
10M
1M
1M
Rev. A | Page 11 of 28
–100
–110
–100
–110
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
10k
Figure 26. Narrowband SFDR, Clock = 2 MHz, f
25k
Figure 27. Narrowband SFDR, Clock = 2 MHz, f
0
Figure 25. Wideband SFDR, Clock = 2 MHz, f
12k
30k
200k
14k
35k
16k
40k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
400k
18k
45k
20k
50k
600k
22k
55k
24k
60k
T
V
V
AD8038 AMPLIFIER
T
V
V
AD8038 AMPLIFIER
T
V
V
AD8038 AMPLIFIER
A
A
DD
REF
A
DD
REF
DD
REF
= 25°C
= 25°C
= 25°C
= 5V
= 5V
= 5V
OUT
800k
= 3.5V
= 3.5V
= 3.5V
26k
65k
OUT
OUT
= 20 kHz
= 20 kHz
= 50 kHz
28k
70k
AD5425
30k
75k
1M