AD5444 Analog Devices, AD5444 Datasheet - Page 13

• Manufacturer Part Number: AD5444
• Description: 12-Bit High Bandwidth Multiplying DAC with Serial Interface
• Manufacturer: Analog Devices

Specifications of AD5444

• Resolution (bits): 12bit
• Dac Update Rate: 2.7MSPS
• Dac Settling Time: 40ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

Figure 34. Narrow-Band IMD, f
Figure 35. Wideband IMD, f
–100
–100
–10
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–30
–40
–50
–60
–70
–80
–90
–10
–20
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–90
0
0
10k
0
100k
15k
FREQUENCY (Hz)
200k
FREQUENCY (Hz)
OUT
20k
OUT
= 20 kHz and 25 kHz, Clock = 1 MHz
= 20 kHz and 25 kHz, Clock = 1 MHz
300k
25k
400k
30k
T
V
AD8038 AMP
T
V
AD8038 AMP
A
A
REF
REF
= 25°C
= 25°C
= 3.5V
= 3.5V
500k
35k
Rev. C | Page 13 of 28
80
70
50
40
30
20
10
60
0
100
FULL SCALE
LOADED TO DAC
Figure 36. Output Noise Spectral Density
1k
FREQUENCY (Hz)
10k
MIDSCALE
LOADED TO DAC
ZERO SCALE
LOADED TO DAC
AD5444/AD5446
100k
T
AD8038 AMP
A
= 25°C
1M