Datasheet

© 2011 Microchip Technology Inc. DS22192D-page 13
MCP3901
Note: Unless otherwise indicated, AV
DD
= 5.0V, DV
DD
= 5.0V; T
A
= +25°C, MCLK = 4 MHz; PRESCALE = 1;
OSR = 64; GAIN = 1; Dithering OFF; V
IN
= -0.5 dBFS @ 60 Hz.
FIGURE 2-25: Positive Gain Error vs.
Temperature.
FIGURE 2-26: Negative Gain Error vs.
Temperature
FIGURE 2-27: Internal Voltage Reference
vs. Temperature.
FIGURE 2-28: Internal Voltage Reference
vs. Supply Voltage.
FIGURE 2-29: Signal-to-Noise and
Distortion vs. Master Clock (MCLK), BOOST ON.
FIGURE 2-30: Noise Histogram.
-2
-1.8
-1.6
-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
-50-25 0 25 50 75100125150
Temperature (°C)
Positive Gain Error (% FS)
G=1
G=2
G=8
G=16
G=4
G=32
-2
-1.8
-1.6
-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
-50-25 0 25 50 75100125150
Temperature (°C)
Negative Gain Error (% FS)
G=1
G=2
G=8
G=16
G=4
G=32
2.35
2.36
2.37
2.38
2.39
2.4
-50 -25 0 25 50 75 100 125 150
Temperature (°C)
Int. Voltage Reference (V)
2.3713
2.37135
2.3714
2.37145
2.3715
2.37155
2.3716
2.37165
4.5 4.8 5.0 5.3 5.5
Power Supply (V)
Int. Voltage Reference (V)
0
10
20
30
40
50
60
70
80
90
100
357911
MCLK Frequency (MHz)
SINAD (dB)
0
1000
2000
3000
4000
5000
6000
7000
8000
-3000 -2000 -1000 0 1000 2000 300
0
Output Code (LSB)
Frequency of Occurence
Channel 0
V
IN
= 0V
T
A
= +25°C
16384 Consecutive
Readings
24-bit Mode