Rainbow Electronics MAX5475 - Manual (Page 4)

MAX5471/MAX5472/MAX5474/MAX5475
32-Tap, Nonvolatile, Linear-Taper Digital
Potentiometers in SOT23
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V DD = 5.0V, T A = +25 °C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX5471 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
5.1 4.7 4.3 3.9 3.5 3.1
0.1
0.2
0.3
0.4
0.5
0
2.7 5.5
DIGITAL INPUTS = GND OR V DD
STATIC SUPPLY CURRENT
vs. TEMPERATURE
MAX5471 toc02
TEMPERATURE ( °C)
SUPPLY CURRENT (
µ
A)
60 35 10 -15
0.1
0.2
0.3
0.4
0.5
0
-40 85
DIGITAL INPUTS = GND OR V DD
V
DD
= 5.0V
V DD = 3.0V
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5471 toc03
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
4 3 2 1
1
10
100
1000
10,000
0.1
0 5
V
DD
= 5.0V
V DD = 3.0V
WIPER RESISTANCE
vs. TAP POSITION (MAX5474)
MAX5471 toc04
TAP POSITION
WIPER RESISTANCE (
Ω
)
25 20 5 10 15
250
300
350
400
450
500
550
600
200
0 30
V DD = 3.0V
V
DD
= 5.0V
WIPER RESISTANCE
vs. TAP POSITION (MAX5475)
MAX5471 toc05
TAP POSITION
WIPER RESISTANCE (
Ω
)
25 20 5 10 15
250
300
350
400
450
500
550
600
200
0 30
V DD = 3.0V
V DD = 5.0V
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5471 toc06
TEMPERATURE ( °C)
END-TO-END RESISTANCE % CHANGE
60 35 -15 10
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
-0.20
-40 85
100k Ω 100k Ω
50k Ω
50k Ω
W-TO-L RESISTANCE
vs. TAP POSITION
MAX5471 toc07
TAP POSITION
W-TO-L RESISTANCE (k
Ω
)
25 20 15 10 5
20
40
60
80
100
0
0 30
MAX5475
MAX5474
H-TO-GND RESISTANCE
vs. TAP POSITION
MAX5471 toc08
TAP POSITION
H-TO-GND RESISTANCE (k
Ω
)
25 20 15 10 5
20
40
60
80
100
0
0 30
MAX5472
MAX5471
TAP-TO-TAP SWITCHING TRANSIENT
MAX5471 toc09
400ns/div
INC
5V/div
W
100mV/div
C L = 10pF
V H = V DD
TAP 16 TO TAP 15
MAX5474
MAX5475