MCP3423EV Microchip Technology, MCP3423EV Datasheet - Page 9

BOARD EVAL 18BIT 2CH ADC MCP3423

MCP3423EV

Manufacturer Part Number
MCP3423EV
Description
BOARD EVAL 18BIT 2CH ADC MCP3423
Manufacturer
Microchip Technology
Datasheets

Specifications of MCP3423EV

Number Of Adc's
1
Number Of Bits
18
Sampling Rate (per Second)
3.75
Data Interface
Serial
Inputs Per Adc
2 Differential
Input Range
±VREF
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 125°C
Utilized Ic / Part
MCP3423
Silicon Manufacturer
Microchip
Application Sub Type
ADC
Kit Application Type
Data Converter
Silicon Core Number
MCP3423
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2.0
Note: Unless otherwise indicated, T
V
FIGURE 2-1:
(V
FIGURE 2-2:
FIGURE 2-3:
Temperature.
© 2009 Microchip Technology Inc.
INCOM
Note:
DD
).
-10
-15
-20
20
15
10
-5
0.0035
0.0025
0.0015
0.0005
0.0035
0.0025
0.0015
0.0005
5
0
0.003
0.002
0.001
0.003
0.002
0.001
= V
-60 -40 -20
TYPICAL PERFORMANCE CURVES
0
0
REF
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
-60 -40 -20
2.5
PGA = 1
/2.
PGA = 8
3
0
Temperature (°C)
INL vs. Supply Voltage
2.7V
INL vs. Temperature.
PGA = 2
Offset Error vs.
PGA = 4
0
5.5V
20
3.5
Temperature (
20 40 60 80 100 120 140
40
V
PGA = 4
DD
5V
4
(V)
60
PGA = 8
A
PGA = 2
80 100 120 140
o
4.5
C)
= -40°C to +85°C, V
PGA = 1
T
A
PGA = 1
5
= +25°C
5.5
DD
= +5.0V, V
FIGURE 2-4:
Voltage.
FIGURE 2-5:
FIGURE 2-6:
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
8
7
6
5
4
3
2
1
0
-0.5
-1.5
0.2
0.1
-100
1.5
0.5
-1
-2
0
2
1
0
SS
-100 -75
-60 -40 -20
= 0V, CHn+ = CHn- = V
-75
PGA = 4
PGA = 1
PGA = 8
Input Voltage (% of Full-Scale)
-50
-50
Input Signal (% of FSR)
PGA = 8
MCP3422/3/4
PGA = 8
PGA = 2
0
-25
Temperature (°C)
Output Noise vs. Input
Total Error vs. Input Voltage.
Gain Error vs. Temperature.
-25
20
PGA = 4
0
40
0
PGA = 2
60
PGA = 1
25
25
REF
80 100 120 140
PGA = 1
DS22088C-page 9
/2,
50
50
PGA = 2
T
T
A
PGA = 4
A
= +25°C
= +25°C
75
75
100
100

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