Microchip Technology MCP3422EV Data Sheet

Page of 58
MCP3422/3/4
DS22088C-page 10
© 2009 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
 = -40°C to +85°C, V
DD
 = +5.0V, V
SS
 = 0V, CHn+ = CHn- = V
REF
/2,
V
INCOM
 = V
REF
/2.
FIGURE 2-7:
I
DDA
 vs. Temperature.
FIGURE 2-8:
I
DDS
 vs. Temperature.
FIGURE 2-9:
I
DDB
 vs. Temperature.
FIGURE 2-10:
Oscillator Drift vs. 
Temperature.
FIGURE 2-11:
Frequency Response.
60
80
100
120
140
160
180
200
-60
-40
-20
0
20
40
60
80
100 120 140
Temperature (°C)
I
DD
A
 
A
)
V
DD
 = 5.5V
V
DD
 = 5.0V
V
DD
 = 2.7V
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-60 -40 -20
0
20
40
60
80 100 120 140
Temperature (°C)
I
DD
S
 (µA
)
V
DD
 = 2.7V
V
DD
 = 5.0V
V
DD
 = 5.5V
0
2
4
6
8
10
12
14
-60
-40
-20
0
20
40
60
80
100 120 140
Temperature (°C)
I
DD
B
 (µ
A
)
V
DD
 = 5.5V
V
DD
 = 5.0V
V
DD
 = 4.5V
V
DD 
= 2.7V
-2
-1
0
1
2
3
-60
-40
-20
0
20
40
60
80
100 120 140
Temperature (°C)
O
s
c
illa
to
r Drif
t (
%
)
Data Rate = 3.75 SPS
Data Rate = 3.75 SPS
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.1
1
10
100
1000
10000
Input Signal Frequency (Hz)
M
a
gni
tu
de
 (dB
)
0.1
1
10
100
1k
10k