Analog Devices AD5934 Manual page 10

AD5934
30
MEAN = 0.1982
SIGMA = 0.0008
25
20
15
10
5
0
0.192 0.194 0.196
Figure 10. Range 4 Output Excitation Voltage Distribution, VDD = 3.3 V
30
MEAN = 0.1792
SIGMA = 0.0024
25
20
15
10
5
0
0.160 0.165 0.170 0.175 0.180 0.185 0.190 0.195 0.200
Figure 11. Range 4 DC Bias Distribution, VDD = 3.3 V
0.198 0.200 0.202 0.204 0.206
VOLTAGE (V)
0.205
VOLTAGE (V)
15.8
AVDD1, AVDD2, DVDD CONNECTED TOGETHER
15.3
OUTPUT EXCITATION FREQUENCY = 30kHz
RFB, Z
14.8
14.3
13.8
13.3
12.8
12.3
11.8
11.3
10.8
0
Figure 12. Typical Supply Current (IDD) vs. MCLK Frequency
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
Rev. A | Page 10 of 40
= 100kΩ
CALIBRATION
2 4 6 8 10 12
MCLK FREQUENCY (MHz)
50 100 150 200 250
PHASE (Degrees)
Figure 13. Typical Phase Error
14 16 18
VDD = 3.3V
= 25°C
T
A
f = 32kHz
300 350 400