Datasheet

REV.
Typical Performance Characteristics–AD7226
–7–
(T
A
= 25C, V
DD
= 15 V, V
SS
= –5 V)
INPUT CODE (DECIMAL EQUIVALENT)
2.0
0
16
TOTA L UNADJUSTED ERROR (LSBs)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
V
REF
= 10V
TPC 1. Channel-to-Channel Matching
V
REF
(V)
01424681012
4
RELATIVE ACCURACY (LSBs)
3
2
1
0
–1
–2
–3
–4
AD7226K, B
TPC 2. Relative Accuracy vs. V
REF
V
REF
(V)
01424681012
4
DIFFERENTIAL NONLINEARITY (LSBs)
3
2
1
0
–1
–2
–3
–4
AD7226K, B
TPC 3. Differential Nonlinearity vs. V
REF
TEMPERATURE (C)
2.0
010
ZERO CODE ERROR (LSBs)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
20 30 40 50 60 70 80 90 100 110 120 130
V
OUT
A
V
OUT
B
V
OUT
C
V
OUT
D
TPC 4. Zero Code Error vs. Temperature
D