Datasheet
MCP41XXX/42XXX
DS11195C-page 8 2003 Microchip Technology Inc.
Note: Unless otherwise indicated, curve represents 10 kΩ, 50 kΩ and 100 kΩ devices, V
DD
= 5V, V
SS
= 0V, T
A
= +25°C,
V
B
= 0V.
FIGURE 2-7: Rheostat INL Error vs.
Code.
FIGURE 2-8: Rheostat Mode Tempco vs.
Code.
FIGURE 2-9: Static Current vs.
Temperature.
FIGURE 2-10: Active Supply Current vs.
Temperature.
FIGURE 2-11: Active Supply Current vs.
Clock Frequency.
FIGURE 2-12: Reset & Shutdown Pins
Current vs. Voltage.
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0 32 64 96 128 160 192 224 256
Code (Decimal)
Rheostat INL Error (LSB)
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
Refer to Figure 2-27
0
500
1000
1500
2000
2500
3000
0 32 64 96 128 160 192 224 256
Code (Decimal)
Rheostat Mode TempCo
(ppm / °C)
T
A
= -40°C to +85°C,
V
A
= no connect,
R
WB
measured
1
10
100
1000
-40 -25 -10 5 20 35 50 65 80 95 11
0
12
5
Temperature (°C)
Static Current (nA)
30
80
130
180
230
280
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Active Supply Current (µA)
V
DD
= 5V
V
DD
= 3V
F
CLK
= 3 MHz
Code = FFh
0
100
200
300
400
500
600
700
800
900
1000
Clock Frequency (Hz)
Active Supply Current (mA)
A - V
DD
= 5.5V, Code = AAh
B - V
DD
= 3.3V, Code = AAh
C - V
DD
= 5.5V, Code = FFh
D - V
DD
= 3.3V, Code = FFh
A
B
C
D
1k 10k 100k 1M 10M
-7
-6
-5
-4
-3
-2
-1
0
1
0246
RS & SHDN Pin Voltage (V)
RS & SHDN Sink Current (mA)
V
DD
= 5.5V