Datasheet

MCP3911
DS20002286B-page 16  2012-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, AV
DD
= 3.3V, DV
DD
= 3.3V; T
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 256; GAIN = 1; Dithering = Maximum; V
IN
= -0.5 dBFS at 60 Hz, VREFEXT = 0; CLKEXT = 1, AZ_FREQ = 0;
BOOST = 1X.
FIGURE 2-31: Channel 0 Offset vs.
Temperature.
FIGURE 2-32: Channel 1 Offset vs.
Temperature.
FIGURE 2-33: Channel-to-Channel Offset
Match vs. Temperature.
FIGURE 2-34: Gain Error vs. Temperature.
FIGURE 2-35: Internal Voltage Reference
vs. Temperature.
FIGURE 2-36: Internal Voltage Reference
vs. Supply Voltage.
-100
-50
0
50
100
150
200
250
300
350
400
-50 -25 0 25 50 75 100 125 150
Channel 1 Offset (mV)
Temperature (°C)
G = 1
G = 2
G = 4
G = 8
G = 16
G = 32
-100
-50
0
50
100
150
200
250
300
350
400
-50 -25 0 25 50 75 100 125 150
Channel 0 Offset (mV)
Temperature (°C)
G = 1
G = 2
G = 4
G = 8
G = 16
G = 32
-120
-100
-80
-60
-40
-20
0
-50 -25 0 25 50 75 100 125 150
Offset Error (mV)
Temperature (°C)
Channel 0
Channel 1
-5
-4
-3
-2
-1
0
1
2
3
4
5
-50 -25 0 25 50 75 100 125 150
Gain Error (%)
Temperature (°C)
G = 32
G = 16
G = 8
G = 4
G = 2
G = 1
1.1999
1.2000
1.2001
1.2002
1.2003
1.2004
1.2005
1.2006
1.2007
1.2008
-50 0 50 100 150
Internal Voltage Reference (V)
Temperature (°C)
1.1997
1.1998
1.1999
1.2000
1.2001
1.2002
1.2003
2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 3.6
Internal Voltage Reference (V)
V
DD
(V)