Microchip Technology MCP3901EV-MCU16 Datenbogen
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
1 0
1 2
78.9
79
79.1 79.2 79.3 79.4 79.5 79.6 79.7 79.8
SINAD (dB)
F
re
q
u
e
nc
y
of
O
c
c
u
ra
nc
e
f
IN
= 60 Hz
MCLK = 4 MHz
OSR = 64
Dithering OFF
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)
S
INAD (
d
B)
-40
-20
0
20
40
60
80
100
0
20
40
60
80
Input Amplitude (dBFS)
S
INAD (
d
B)
-
-
-
-
-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)
O
ffs
e
t Er
ro
r (
m
V)
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
75
100
125
150
Temperature (°C)
O
ff
s
e
t Er
ro
r (
m
V)
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)
O
ff
s
e
t Er
ro
r (
m
V)
Channel 0
Channel 1