MCP3901 查看數據表（PDF） - Microchip Technology
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MCP3901 Datasheet PDF : 62 Pages
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MCP3901
Note: Unless otherwise indicated, AVDD = 5.0V, DVDD = 5.0V; TA = +25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 64; GAIN = 1; Dithering OFF; VIN = -0.5 dBFS @ 60 Hz.
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
-50 -25
G=1
G=2
G=8
G=16
G=4
G=32
0 25 50 75 100 125 150
Temperature (°C)
FIGURE 2-25:
Temperature.
Positive Gain Error vs.
2.37165
2.3716
2.37155
2.3715
2.37145
2.3714
2.37135
2.3713
4.5
4.8
5.0
5.3
5.5
Power Supply (V)
FIGURE 2-28:
Internal Voltage Reference
vs. Supply Voltage.
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
-50 -25
G=1
G=2
G=8
G=16
G=4
G=32
0 25 50 75 100 125 150
Temperature (°C)
FIGURE 2-26:
Temperature
Negative Gain Error vs.
100
90
80
70
60
50
40
30
20
10
0
3
5
7
9
11
MCLK Frequency (MHz)
FIGURE 2-29:
Signal-to-Noise and
Distortion vs. Master Clock (MCLK), BOOST ON.
2.4
2.39
2.38
2.37
2.36
2.35
-50 -25
0 25 50 75 100 125 150
Temperature (°C)
FIGURE 2-27:
Internal Voltage Reference
vs. Temperature.
8000
7000
6000
5000
4000
Channel 0
VIN = 0V
TA = +25°C
16384 Consecutive
Readings
24-bit Mode
3000
2000
1000
0
-3000 -2000 -1000 0 1000
Output Code (LSB)
2000
3000
FIGURE 2-30:
Noise Histogram.
© 2011 Microchip Technology Inc.
DS22192D-page 13
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