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MCP3903 Datasheet(PDF) 12 Page - Microchip Technology

Part # MCP3903
Description  Six Channel Delta Sigma A/D Converter
PDF  54 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP3903 Datasheet(HTML) 12 Page - Microchip Technology

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MCP3903
DS25048B-page 12
© 2011 Microchip Technology Inc.
Note:
Unless otherwise indicated, AVDD = 5.0V, DVDD = 3.3 V; TA = +25°C, MCLK = 4 MHz; PRESCALE = 1; OSR =
64; GAIN = 1; Dithering OFF; VIN = -0.5 dBFS @ 60 Hz.
FIGURE 2-19:
Offset Error vs. Temperature
(Channel 0).
FIGURE 2-20:
Channel-to-Channel Offset
Match vs. Temperature.
FIGURE 2-21:
Gain Error vs. Temperature.
FIGURE 2-22:
Internal Voltage Reference
vs. Temperature.
FIGURE 2-23:
Internal Voltage Reference
vs. Supply Voltage.
FIGURE 2-24:
Noise Histogram.
120
1.40
G=8
0.80
1.00
1.20
1.40
G=16
G=1
G=8
0.40
0.60
0.80
1.00
1.20
1.40
G=2
G=16
G=1
G=8
000
0.20
0.40
0.60
0.80
1.00
1.20
1.40
G=4
G=2
G=16
G=1
G=8
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
G=32
G=4
G=2
G=16
G=1
G=8
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
-40
-20
0
25
45
85
105 125
Temperature (°C)
G=32
G=4
G=2
G=16
G=1
G=8
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
-40
-20
0
25
45
85
105 125
Temperature (°C)
G=32
G=4
G=2
G=16
G=1
G=8
140
1.60
CH1
CH3
100
1.20
1.40
1.60
CH1
CH3
060
0.80
1.00
1.20
1.40
1.60
CH0
CH1
CH2
CH3
CH5
0.40
0.60
0.80
1.00
1.20
1.40
1.60
CH0
CH1
CH2
CH3
CH4
CH5
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
CH0
CH1
CH2
CH3
CH4
CH5
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
-40
-20
0
25
45
85
105 125
Temperature (°C)
CH0
CH1
CH2
CH3
CH4
CH5
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
-40
-20
0
25
45
85
105 125
Temperature (°C)
CH0
CH1
CH2
CH3
CH4
CH5
0.00
-0.10
-0.05
0.00
G=1
G=8
-0.15
-0.10
-0.05
0.00
G=32
G=16
G=2
G=1
G=8
-0.20
-0.15
-0.10
-0.05
0.00
G=32
G=16
G=2
G=1
G=8
030
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
G=32
G=4
G=16
G=2
G=1
G=8
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
-40
-20
0
25
45
85
105 125
Temperature (°C)
G=32
G=4
G=16
G=2
G=1
G=8
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
-40
-20
0
25
45
85
105 125
Temperature (°C)
G=32
G=4
G=16
G=2
G=1
G=8
2.360
2.355
2.360
2.350
2.355
2.360
2.345
2.350
2.355
2.360
2.340
2.345
2.350
2.355
2.360
2.340
2.345
2.350
2.355
2.360
-40
-20
0
25
45
85
105 125
Temperature (°C)
2.340
2.345
2.350
2.355
2.360
-40
-20
0
25
45
85
105 125
Temperature (°C)
2 35472
2.35473
2.35471
2.35472
2.35473
2 35469
2.35470
2.35471
2.35472
2.35473
2.35468
2.35469
2.35470
2.35471
2.35472
2.35473
2 35466
2.35467
2.35468
2.35469
2.35470
2.35471
2.35472
2.35473
2.35466
2.35467
2.35468
2.35469
2.35470
2.35471
2.35472
2.35473
4.5
5
5.5
Power Supply (V)
2.35466
2.35467
2.35468
2.35469
2.35470
2.35471
2.35472
2.35473
4.5
5
5.5
Power Supply (V)



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