ad5932 Analog Devices, Inc., ad5932 Datasheet - Page 10

• Manufacturer Part Number: ad5932
• Description: Programmable Frequency Scan Waveform Generator
• Manufacturer: Analog Devices, Inc.

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