Datasheet

AD7606/AD7606-6/AD7606-4 Data Sheet
Rev. C | Page 18 of 36
1.00
0 65,53657,34449,15240,96032,76824,57616,3848192
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
DNL (LSB)
CODE
AV
CC
, V
DRIVE
= 5V
INTERNAL REFERENCE
±5V RANGE
F
SAMPLE
= 200kSPS
T
A
= 25°C
08479-016
Figure 17. AD7606 Typical DNL, ±5 V Range
20
15
10
5
0
–5
–10
–15
–40 –25 –10 5 20 35 50 65 80
–20
NFS ERROR (LSB)
TEMPERATURE (°C)
08479-017
200kSPS
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
±5V RANGE
±10V RANGE
Figure 18. NFS Error vs. Temperature
20
15
10
5
0
–5
–10
–15
–40 –25 –10 5 20 35 50 65 80
–20
PFS ERROR (LSB)
TEMPERATURE (°C)
08479-118
200kSPS
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
±5V RANGE
±10V RANGE
Figure 19. PFS Error vs. Temperature
10
–40 –25 –10 5 20 35 50 65 80
–10
–9
–6
–4
–2
0
2
4
6
8
NFS/PFS CHANNEL MATCHING (LSB)
TEMPERATURE (°C)
08479-018
10V RANGE
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
PFS ERROR
NFS ERROR
Figure 20. NFS and PFS Error Matching
10
8
6
4
2
0
0 120k100k80k60k40k20k
–2
PFS/NFS ERROR (%FS)
SOURCE RESISTANCE (Ω)
08479-019
AV
CC
, V
DRIVE
= 5V
F
SAMPLE
= 200 kSPS
T
A
= 25°C
EXTERNAL REFERENCE
SOURCE RESISTANCE IS MATCHED ON
THE VxGND INPUT
±10V AND ±5V RANGE
Figure 21. PFS and NFS Error vs. Source Resistance
1.0
–40 –25 –10 5 20 35 50 65 80
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
BIPOLAR ZERO CODE ERROR (LSB)
TEMPERATURE (°C)
08479-023
200kSPS
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
5V RANGE
10V RANGE
Figure 22. Bipolar Zero Code Error vs. Temperature