AS1539/AS1541
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
7 Typical Operating Characteristics
V
DD
= 3.6V; V
REF
= 2.5V (internal), f
SCL
= 3.4MHz, C
REF
= 4.7µF, T
AMB
= +25ºC (unless otherwise specified).
Figure 4. DNL vs. Digital Output Code, Int. Reference
Figure 5. INL vs. Digital Output Code, Int. Reference
0,25
0,2
0,15
f
SAMPLE
= 50ksps
0,375
0,25
f
SAMPLE
= 50ksps
DNL (LSB)
.
0,05
0
-0,05
-0,1
-0,15
-0,2
-0,25
0
256
512
768
1024
INL (LSB)
.
0,1
0,125
0
-0,125
-0,25
-0,375
0
256
512
768
1024
Digital Output Code
Digital Output Code
Figure 6. DNL vs. Digital Output Code, Ext. Reference
0,25
0,2
0,15
f
SAMPLE
= 50ksps
Figure 7. INL vs. Digital Output Code, Ext. Reference
0,375
0,25
f
SAMPLE
= 50ksps
DNL (LSB)
.
0,05
0
-0,05
-0,1
-0,15
-0,2
-0,25
0
256
512
768
1024
INL (LSB)
.
0,1
0,125
0
-0,125
-0,25
-0,375
0
256
512
768
1024
Digital Output Code
Digital Output Code
Figure 8. Offset Error vs. Temperature
1,5
1
Figure 9. Offset Matching vs. Temperature
0,5
0,4
0,3
Offset (LSB)
.
0,5
0
-0,5
-1
-1,5
-45 -30 -15
Offset (LSB)
.
0
15 30 45 60 75 90
0,2
0,1
0
-0,1
-0,2
-0,3
-0,4
-0,5
-45 -30 -15
0
15 30 45 60 75 90
Temperature (°C)
Temperature (°C)
www.austriamicrosystems.com
Revision 1.03
7 - 20
AMSCO [ AUSTRIAMICROSYSTEMS AG ]
