Typical operating characteristics – Rainbow Electronics MAX5439 User Manual
Page 5
MAX5436–MAX5439
±15V, 128-Tap, Low-Drift Digital Potentiometers
_______________________________________________________________________________________
5
W-TO-L RESISTANCE CHANGE
vs. INPUT CODE
MAX5436 toc04
INPUT CODE
RESISTANCE (k
Ω
)
112
96
64
80
32
48
16
10
20
30
40
50
60
70
80
90
100
0
0
128
100k
Ω
50k
Ω
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX5436 toc05
TEMPERATURE (
°C)
DIGITAL SUPPLY CURRENT (
µ
A)
60
35
10
-15
15
20
25
30
35
40
10
-40
85
MIDSCALE SWITCHING TRANSIENT
(CODE 63 TO CODE 64)
MAX5436 toc06
100ns/div
CS
2V/div
V
W-L
100mV/div
C
WIPER
= 20pF
VARIABLE-RESISTOR DNL
vs. INPUT CODE (50k
Ω
)
MAX5436 toc07
INPUT CODE
DNL (LSB)
112
96
64
80
32
48
16
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0
128
CONDITIONS OF NOTE 2
VARIABLE-RESISTOR DNL
vs. INPUT CODE (100k
Ω
)
MAX5436 toc08
INPUT CODE
DNL (LSB)
112
96
64
80
32
48
16
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0
128
CONDITIONS OF NOTE 2
-0.05
0
0.05
0.10
0.15
0.20
0.25
0.30
-0.10
VARIABLE-RESISTOR INL
vs. INPUT CODE (50k
Ω
)
MAX5436 toc09
INPUT CODE
INL (LSB)
112
96
64
80
32
48
16
0
128
CONDITIONS OF NOTE 2
Typical Operating Characteristics
(V
DD
= +15V, V
SS
= -15V, V
CC
= +5V, V
H
= V
DD
, V
L
= V
SS
, T
A
= +25°C, unless otherwise noted.)
WIPER RESISTANCE vs. INPUT CODE
MAX5436 toc01
INPUT CODE
RESISTANCE (
Ω
)
112
96
64
80
32
48
16
875
900
925
950
975
1000
1025
1050
1075
1100
850
0
128
CONDITIONS OF NOTE 2
WIPER RESISTANCE vs. INPUT CODE
MAX5436 toc02
INPUT CODE
RESISTANCE (
Ω
)
112
96
64
80
32
48
16
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
1000
0
128
V
DD
= +5V
V
SS
= -5V
CONDITIONS OF NOTE 2
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5436 toc03
TEMPERATURE (
°C)
END-TO-END RESISTANCE % CHANGE
60
35
-15
10
-0.20
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
-0.25
-40
85
50k
Ω
100k
Ω