MCP3421 Microchip Technology, MCP3421 Datasheet - Page 5

• Manufacturer Part Number: MCP3421
• Description: 18-Bit Analog-to-Digital Converter with I2C Interface and On-Board Reference
• Manufacturer: Microchip Technology

Note: Unless otherwise indicated, T
FIGURE 2-7:
FIGURE 2-8:
FIGURE 2-9:
© 2006 Microchip Technology Inc.
220
200
180
160
140
120
100
600
500
400
300
200
100
9
8
7
6
5
4
3
2
1
0
-60 -40 -20
0
-60 -40 -20
-60 -40 -20
V
V
V
V
DD
DD
DD
DD
= 5V
= 4.5V
= 3.3V
= 2.7V
0
Temperature (
0
V
0
I
Temperature (
I
I
Temperature (
DD
DDA
DDS
DDB
20
= 5V
20
20 40 60 80 100 120 140
V
DD
40
vs. Temperature.
vs. Temperature.
vs. Temperature.
= 5V
40
60
60
o
o
C)
o
C)
C)
A
80 100 120 140
80 100 120 140
= -40°C to +85°C, V
V
DD
V
= 2.7V
DD
= 2.7V
DD
= +5.0V, V
FIGURE 2-10:
FIGURE 2-11:
-1
-100
-110
-120
5
4
3
2
1
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-60 -40 -20
SS
0
0.1
0.1
= 0V, V
V
V
DD
DD
= 5.0V
= 2.7V
1
IN
1
Input Signal Frequency (Hz)
+ = V
0
Temperature (°C)
OSC Drift vs. Temperature.
Frequency Response.
20
10
IN
10
- = V
40
MCP3421
60
REF
100
100
Data Rate = 3.75 SPS
/2.
80 100 120 140
DS22003B-page 5
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