Datasheet

AD5260/AD5262
Rev. A | Page 13 of 24
HOURS OF OPERATION AT 150°C
CHANGE IN TERMINAL RESI
S
TANCE (%)
05
–0.20
0.10
–0.10
0
0.05
00
100 200 250 300 350 400 450
AVG – 3σ
50 150
–0.05
–0.15
AVG + 3σ
AVG
0
2695-037
CODE = 0x80
V
DD
/V
SS
= ±5V
SAMPLE SIZE = 135 UNITS
5V/DIV
20µs/DIV
5V/DIV
02695-034
Figure 36. Long-Term Resistance Drift
Figure 33. Large Signal Settling Time
CHANNEL-TO-CHANNEL R
AB
MATCH (%)
FREQUENCY
–0.50
0
40
30
CODE SET TO MIDSCALE
T
A
= 150°C
3 LOTS
SAMPLE SIZE = 135 UNITS
20
10
–0.40 –0.30 –0.20 –0.10 0 0.10 0.20
02695-038
10mV/DIV
40ns/DIV
02695-035
Figure 34. Digital Feedthrough vs. Time
Figure 37. Channel-to-Channel Resistance Matching (AD5262)
CODE (Decimal)
THEORETIC
A
L I
WB_MAX
(mA)
02
0.01
100
0.1
1
10
56
32 64 96 128 160 192 224
V
A
= V
B
= OPEN
T
A
= 25°C
R
AB
= 20kΩ
R
AB
= 50kΩ
R
AB
= 200kΩ
02695-036
Figure 35. Theoretical Maximum Current vs. Code