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AD8021 数据表(PDF) 13 Page - Analog Devices

部件名 AD8021
功能描述  Dual 8-,10-,12-Bit High Bandwidth Multiplying DACs with Serial Interface
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8021 数据表(HTML) 13 Page - Analog Devices

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AD5429/AD5439/AD5449
Rev. 0 | Page 13 of 32
–120
–100
–80
–60
0
20
1
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
–40
–20
TA = 25°C
VDD = 3V
AMP = AD8038
FULL SCALE
ZERO SCALE
10
Figure 24. Power Supply Rejection vs. Frequency
–90
–85
–80
–75
–70
–65
–60
100
1k
1
10
10k
100k
1M
FREQUENCY (Hz)
TA = 25°C
VDD = 3V
VREF = 3.5V p-p
Figure 25. THD + Noise vs. Frequency
0
20
40
60
80
100
0
20
40
60
80
100
120
140
160
180
200
fOUT (kHz)
TA = 25°C
VREF = 3.5V
AD8038 AMPLIFIER
MCLK = 1MHz
MCLK = 200kHz
MCLK = 0.5MHz
Figure 26. Wideband SFDR vs. fOUT Frequency
0
10
20
30
40
50
60
70
80
90
0
100
200
300
400
500
600
700
800
900
1000
fOUT (kHz)
MCLK = 5MHz
MCLK = 10MHz
MCLK = 25MHz
TA = 25°C
VREF = 3.5V
AD8038 AMPLIFIER
Figure 27. Wideband SFDR vs. fOUT Frequency
–90
–70
–50
–30
–10
0
FREQUENCY (MHz)
–80
–60
–40
–20
0
TA = 25°C
VDD = 5V
AMP = AD8038
65k CODES
24
68
10
12
Figure 28. Wideband SFDR, fOUT = 100 kHz, Clock = 25 MHz

–100
–70
–50
–30
–10
0
FREQUENCY (MHz)
–80
–60
–40
–20
0
TA = 25°C
VDD = 5V
AMP = AD8038
65k CODES
0.5
1.5
3.0
3.5
4.0
1.0
2.0
2.5
4.5
5.0
–90
Figure 29. Wideband SFDR, fOUT = 500 kHz, Clock = 10 MHz



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