Datasheet

MCP3901
DS22192D-page 12 © 2011 Microchip Technology Inc.
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 2-19: Signal-to-Noise and
Distortion Histogram.
FIGURE 2-20: Signal-to-Noise and
Distortion vs. Temperature.
FIGURE 2-21: Signal-to-Noise and
Distortion vs. Input Signal Amplitude.
FIGURE 2-22: Channel 0 Offset vs.
Temperature.
FIGURE 2-23: Channel 1 Offset vs.
Temperature.
FIGURE 2-24: Channel-to-Channel Offset
Match vs. Temperature.
0
2
4
6
8
10
12
78.9 79 79.1 79.2 79.3 79.4 79.5 79.6 79.7 79.8
SINAD (dB)
Frequency of Occurance
f
IN
= 60 Hz
MCLK = 4 MHz
OSR = 64
Dithering OFF
0
10
20
30
40
50
60
70
80
90
100
-50 -25 0 25 50 75 100 125 150
Temperature (ºC)
SINAD (dB)
-40
-20
0
20
40
60
80
100
0 20406080
Input Amplitude (dBFS)
SINAD (dB)
----
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
-50 -25 0 25 50 75 100 125 150
Temperature (ºC)
Offset Error (mV)
G=8
G=16
G=1
G=32
G=4
G=2
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
-50-25 0 25 50 75100125150
Temperature (°C)
Offset Error (mV)
G=8
G=1
G=16
G=32
G=2
G=4
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
-50 -25 0 25 50 75 100 125 150
Temperature (°C)
Offset Error (mV)
Channel 0
Channel 1