AD5449 Analog Devices, AD5449 Datasheet - Page 13
AD5449
Manufacturer Part Number
AD5449
Description
Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface
Manufacturer
Analog Devices
Datasheet
1.AD5429.pdf
(28 pages)
Specifications of AD5449
Resolution (bits)
12bit
Dac Update Rate
2.47MSPS
Dac Settling Time
80ns
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Current Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5449YRU
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD5449YRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Figure 32. Narrow-Band Spectral Response, f
–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
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
= 50 kHz, Clock = 10 MHz
= 100 kHz, Clock = 25 MHz
110
3.0
550
OUT
= 500 kHz, Clock = 25 MHz
120
3.5
600
T
V
AMP = AD8038
65k CODES
T
V
AMP = AD8038
65k CODES
T
V
AMP = AD8038
65k CODES
A
DD
A
A
DD
130
DD
650
4.0
= 25°C
= 25°C
= 25°C
= 5V
= 3V
= 3V
140
4.5
700
150
750
5.0
Rev. D | Page 13 of 28
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
AD5429/AD5439/AD5449
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
= 25°C
= 25°C
= 25°C
= 3V
= 5V
350
115
100k
120
400