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参数资料
| 型号： | DV42XXX |
| 厂商： | Microchip Technology |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL DIGITAL POT MCP42XXX |
| 标准包装： | 1 |
| 其它名称： | Q1133465 |
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MCP41XXX/42XXX
DS11195C-page 10
2003 Microchip Technology Inc.
Note: Unless otherwise indicated, curve represents 10 k
, 50 k and 100 k devices, VDD = 5V, VSS = 0V, TA = +25°C,
V
B = 0V.
FIGURE 2-19:
Gain vs. Frequency for
50k
Potentiometer.
FIGURE 2-20:
Gain vs. Frequency for
100k
Potentiometer.
FIGURE 2-21:
-3 dB Bandwidths.
FIGURE 2-22:
Power Supply Rejection
Ratio vs. Frequency.
FIGURE 2-23:
10 k
Wiper Resistance vs.
Voltage.
FIGURE 2-24:
50 k
& 100 k Wiper
Resistance vs. Voltage.
-60
-54
-48
-42
-36
-30
-24
-18
-12
-6
0
6
Frequency (Hz)
Gain
(dB)
CL = 30pF, Refer to Figure 2-29
MCP41050, MCP42050 (50k
potentiometers)
Code = FFh
Code = 80h
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
Code = 01h
100
1k
10k
100k
1M
10M
-60
-54
-48
-42
-36
-30
-24
-18
-12
-6
0
6
Frequency (Hz)
Gain
(dB)
CL = 30pF, Refer to Figure 2-29
MCP41100, MCP42100 (100k
potentiometers)
Code = FFh
Code = 80h
Code = 40h
Code = 20h
Code = 10h
Code = 08h
Code = 04h
Code = 02h
Code = 01h
100
1k
10k
100k
1M
-36
-30
-24
-18
-12
-6
0
Frequency (Hz)
Gain
(dB)
279 kHz
145 kHz
1.06 MHz
10 k
50 k
100 k
CL = 30 pF, Code = 80h
Refer to Figure 2-29
1k
10k
100k
1M
10M
0
5
10
15
20
25
30
35
40
Frequency (Hz)
PSRR
(dB)
100 k
Potentiometer
50 k
Potentiometer
10 k
Potentiometer
VDD = 4.5V to 5.5V,
Code = 80h,
CL = 27 pF,
VA = 4V
Refer to Figure 2-28
1k
10k
100k
1M
10M
0
100
200
300
400
500
600
700
0123
45
Terminal B Voltage (V)
Wiper
Resistance
(
)
MCP41010, MCP42010
Iw = 1 mA, Code = 00h,
Refer to Figure 2-27
VDD = 2.7V
VDD = 5V
0
50
100
150
200
250
300
350
400
450
0123
45
Terminal B Voltage (V)
Wiper
Resistance
(
)
VDD = 2.7V
VDD = 5V
Code = 00h
Refer to Figure 2-27
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