Microchip Technology MCP3422, Manual

Page: 10 / 56

MCP3422/3/4
DS22088B-page 10
©
2008 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
(µ
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