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AD5932 Datasheet(PDF) 10 Page - Analog Devices

Part No. AD5932
Description  Programmable Frequency Scan Waveform Generator
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD5932 Datasheet(HTML) 10 Page - Analog Devices

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AD5932
Data Sheet
Rev. C | Page 10 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
MCLK FREQUENCY (MHz)
9
8
7
6
4
3
5
2
1
0
0
50
45
40
35
30
25
20
15
10
5
TA = 25°C
AVDD = 5V
MSBOUT, SYNCOUT ENABLED
DVDD = 5V
DVDD = 5V, FOUT = MCLK/7
DVDD = 3V, FOUT = MCLK/7
DVDD = 3V
Figure 8. Current Consumption (IDD) vs. MCLK Frequency
FOUT (Hz)
7
6
4
3
5
2
1
0
25MHz
20MHz
15MHz
10MHz
5MHz
2MHz
1MHz
500kHz
100kHz
10kHz
1kHz
500kHz
TA = 25°C
MCLK = 50MHz
MSBOUT ON,
SYNCOUT ON
MSBOUT OFF,
SYNCOUT OFF
MSBOUT ON,
SYNCOUT OFF
MSBOUT OFF,
SYNCOUT ON
Figure 9. IDD vs. FOUT for Various Digital Output Conditions
LEGEND
1. SINE WAVE OUTPUT, INTERNALLY CONTROLLED SWEEP
2. TRIANGULAR OUTPUT, INTERNALLY CONTROLLED SWEEP
3. SINE WAVE OUTPUT, EXTERNALLY CONTROLLED SWEEP
4. TRIANGULAR OUTPUT, EXTERNALLY CONTROLLED SWEEP
CONTROL OPTION (See Legend)
3.5
3.0
2.0
1.5
2.5
1.0
0.5
0
3
4
2
1
AIDD
DIDD
Figure 10. IDD vs. Output Waveform Type and Control
MCLK FREQUENCY (MHz)
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
0
50
45
40
35
30
25
20
15
10
5
AVDD = DVDD = 3V/5V
MCLK = 50MHz
CREG = 0111 1111 1111
TA = 25°C
FOUT = MCLK/7
FOUT = MCLK/50
FOUT = MCLK/3
Figure 11. Wide-Band SFDR vs. MCLK Frequency
MCLK FREQUENCY (MHz)
–60
–65
–70
–75
–80
–85
–90
0
50
45
40
35
30
25
20
15
10
5
AVDD = DVDD = 3V/5V
MCLK = 50MHz
CREG = 0111 1111 1111
TA = 25°C
FOUT = MCLK/7
FOUT = MCLK/50
FOUT = MCLK/3
Figure 12. Narrow-Band SFDR vs. MCLK Frequency
FOUT (MHz)
–30
–40
–50
–60
–70
–80
–90
0.001
100
10
1
0.1
0.01
AVDD = DVDD = 3V/5V
CREG = 0111 1111 1111
TA = 25°C
MCLK = 1MHz
MCLK = 10MHz
MCLK = 30MHz
MCLK = 50MHz
Figure 13. Wideband SFDR vs. FOUT for Various MCLK Frequencies


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