MCP41XXX/42XXX
Note: Unless otherwise indicated, curve represents 10 kΩ, 50 kΩ and 100 kΩ devices, VDD = 5V, VSS = 0V, TA = +25°C,
VB = 0V.
6
0
-6
40
Code = FFh
Code = 80h
Code = 40h
Code = 20h
VDD = 4.5V to 5.5V,
Code = 80h,
10 kΩ Potentiometer
35
30
25
20
15
10
5
CL = 27 pF,
VA = 4V
-12
-18
-24
-30
-36
-42
-48
-54
-60
Refer to Figure 2-28
Code = 10h
Code = 08h
Code = 04h
50 kΩ Potentiometer
Code = 02h
100 kΩ Potentiometer
Code = 01h
CL = 30pF, Refer to Figure 2-29
MCP41050, MCP42050 (50kΩ potentiometers)
0
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
FIGURE 2-19:
Gain vs. Frequency for
FIGURE 2-22:
Power Supply Rejection
50kΩ Potentiometer.
Ratio vs. Frequency.
6
0
-6
-12
-18
-24
-30
-36
-42
-48
700
600
500
400
300
200
100
0
Code = FFh
Code = 80h
MCP41010, MCP42010
Iw = 1 mA, Code = 00h,
Refer to Figure 2-27
VDD = 2.7V
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
VDD = 5V
Code = 01h
CL = 30pF, Refer to Figure 2-29
MCP41100, MCP42100 (100kΩ potentiometers)
-54
-60
0
1
2
3
4
5
100
1k
10k
100k
1M
Terminal B Voltage (V)
Frequency (Hz)
FIGURE 2-20:
Gain vs. Frequency for
FIGURE 2-23:
10 kΩ Wiper Resistance vs.
100kΩ Potentiometer.
Voltage.
0
-6
450
400
350
300
250
200
150
100
50
Code = 00h
Refer to Figure 2-27
1.06 MHz
145 kHz
279 kHz
VDD = 2.7V
-12
-18
-24
10 kΩ
VDD = 5V
50 kΩ
-30
CL = 30 pF, Code = 80h
0
100 kΩ
Refer to Figure 2-29
-36
0
1
2
3
4
5
1k
10k
100k
1M
10M
Terminal B Voltage (V)
Frequency (Hz)
FIGURE 2-21:
-3 dB Bandwidths.
FIGURE 2-24:
50 kΩ & 100 kΩ Wiper
Resistance vs. Voltage.
DS11195C-page 10
2003 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
