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MCP4451 数据表(PDF) 30 Page - Microchip Technology

部件名 MCP4451
功能描述  7/8-Bit Quad I2C Digital POT with Nonvolatile Memory
PDF  100 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP4451 数据表(HTML) 30 Page - Microchip Technology

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MCP444X/446X
DS22265A-page 30
© 2010 Microchip Technology Inc.
Note:
Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V.
FIGURE 2-44:
50 k
Ω – Worst Case R
BW
from Average RBW (RBW0-RBW3) Error (%) vs.
Wiper Setting and Temperature
(VDD = 5.5V, IW = 90 µA).
FIGURE 2-45:
50 k
Ω – Worst Case R
BW
from Average RBW (RBW0-RBW3) Error (%) vs.
Wiper Setting and Temperature
(VDD = 3.0V, IW = 48 µA).
FIGURE 2-46:
50 k
Ω – R
WB PPM/°C vs.
Wiper Setting. (RBW(code=n, 125°C)-RBW(code=n, -
40°C) )/RBW(code = 256, 25°C)/165°C * 1,000,000)
(VDD = 5.5V, IW = 90 µA).
FIGURE 2-47:
50 k
Ω – R
WB PPM/°C vs.
Wiper Setting. (RBW(code=n, 125°C)-RBW(code=n, -
40°C) )/RBW(code = 256, 25°C)/165°C * 1,000,000)
(VDD = 3.0V, IW = 48 µA).
-1.00%
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
7.00%
0
32
64
96
128
160
192
224
256
Wiper Code
-40C
+25C
+85C
+125C
-2.00%
-1.00%
0.00%
1.00%
2.00%
3.00%
4.00%
0
32
64
96
128
160
192
224
256
Wiper Code
-40C
+25C
+85C
+125C
-3
-2
-1
0
1
2
3
4
5
6
7
0
32
64
96
128 160 192 224 256
Wiper Code
CH0
CH1
CH2
CH3
-2
0
2
4
6
8
10
12
0
32
64
96
128 160 192 224 256
Wiper Code
CH0
CH1
CH2
CH3



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