AS1538/AS1540
Data Sheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
Figure 16. Supply Current vs. Supply Voltage, PD=00
300
250
200
150
100
50
0
2.7
3.2
3.7
4.2
4.7
5.2
Figure 17. Supply Current vs. Supply Voltage, PD=01
1000
Supply Current (nA)
.
Supply Current (µA)
.
800
600
400
200
0
2.7
3.2
3.7
4.2
4.7
5.2
Supply Voltage (V)
Supply Voltage (V)
Figure 18. Supply Current vs. Supply Voltage, PD=11
1000
Figure 19. Supply Current vs. Sampling Rate, PD = 11
1200
1000
800
600
400
200
0
Supply Current (µA)
.
800
600
400
200
0
2.7
3.2
3.7
4.2
4.7
5.2
Supply Current (µA)
.
0
10
20
30
40
50
Supply Voltage (V)
Sampling Rate (ksps)
Figure 20. FFT, Int. Reference
0
-20
-40
f
SAMPLE
= 50ksps
N
FFT
= 32768
SNR=72.7dB
THD = -74.3dB
SFDR = 76.3dB
Figure 21. FFT, Ext. Reference
0
-20
-40
f
SAMPLE
= 50ksps
N
FFT
= 32768
SNR=72.7dB
THD = -74.7dB
SFDR = 76.5dB
FFT (dBC)
.
-80
-100
-120
-140
-160
-180
0
5000
10000 15000 20000 25000
FFT (dBC)
.
-60
-60
-80
-100
-120
-140
-160
-180
0
5000
10000 15000 20000 25000
Input Signal Frequency (kHz)
Input Signal Frequency (kHz)
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