AD5446 Analog Devices, AD5446 Datasheet - Page 12

• Manufacturer Part Number: AD5446
• Description: 14-Bit High Bandwidth Multiplying DAC with Serial Interface
• Manufacturer: Analog Devices

Specifications of AD5446

• Resolution (bits): 14bit
• Dac Update Rate: 2.7MSPS
• Dac Settling Time: 80ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

AD5444/AD5446
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
0
0
Figure 30. Wideband SFDR , f
Figure 31. Wideband SFDR, f
0
0
100k
100k
FREQUENCY (Hz)
FREQUENCY (Hz)
200k
200k
OUT
OUT
= 50 kHz, Clock = 1 MHz
= 20 kHz, Clock = 1 MHz
300k
300k
400k
400k
T
V
V
AD8038 AMP
T
V
V
AD8038 AMP
A
DD
REF
A
DD
REF
= 25°C
= 25°C
= 5V
= 5V
= 3.5V
= 3.5V
500k
500k
Rev. C | Page 12 of 28
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
Figure 32. Narrow-Band SFDR, f
Figure 33. Narrow-Band SFDR, f
0
0
10k
30k
15k
40k
FREQUENCY (Hz)
FREQUENCY (Hz)
20k
50k
OUT
OUT
= 20 kHz, Clock = 1 MHz
= 50 kHz, Clock = 1 MHz
25k
60k
T
V
V
AD8038 AMP
T
V
V
AD8038 AMP
A
A
DD
REF
DD
REF
= 25°C
= 25°C
= 5V
= 5V
= 3.5V
= 3.5V
30k
70k