Note: Unless otherwise indicated, T<" />
參數(shù)資料
型號(hào)： MCP3423EV
廠商： Microchip Technology
文件頁(yè)數(shù)： 58/58頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL 18BIT 2CH ADC MCP3423
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 18
采樣率（每秒）： 3.75
數(shù)據(jù)接口： 串行
輸入范圍： ±VREF
工作溫度： -40°C ~ 125°C
已用 IC / 零件： MCP3423
已供物品： 板
產(chǎn)品目錄頁(yè)面： 672 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： MCP3423T-E/UNTR-ND - IC ADC 18BIT 3.75SPS 2CH 10-MSOP
MCP3423T-E/MFTR-ND - IC ADC 18BIT 3.75SPS 2CH 10-DFN
MCP3423-E/UN-ND - IC ADC 18BIT 3.75SPS 2CH 10-MSOP
MCP3423-E/MF-ND - IC ADC 18BIT 3.75SPS 2CH 10-DFN
2009 Microchip Technology Inc.
DS22088C-page 9
MCP3422/3/4
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, TA = -40°C to +85°C, VDD = +5.0V, VSS = 0V, CHn+ = CHn- = VREF/2,
VINCOM = VREF/2.
FIGURE 2-1:
INL vs. Supply Voltage
(VDD).
FIGURE 2-2:
INL vs. Temperature.
FIGURE 2-3:
Offset Error vs.
Temperature.
FIGURE 2-4:
Output Noise vs. Input
Voltage.
FIGURE 2-5:
Total Error vs. Input Voltage.
FIGURE 2-6:
Gain Error vs. Temperature.
Note:
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.
0
0.0005
0.001
0.0015
0.002
0.0025
0.003
0.0035
2.5
3
3.5
4
4.5
5
5.5
V
DD (V)
In
te
gr
a
lN
on-
Li
n
e
a
ri
ty
(%
of
FS
R)
PGA = 8
PGA = 4
PGA = 1
PGA = 2
TA = +25°C
0
0.0005
0.001
0.0015
0.002
0.0025
0.003
0.0035
-60 -40 -20
0
20
40
60
80 100 120 140
Temperature (
oC)
In
te
g
ra
lN
o
n-
Li
ne
a
ri
ty
(%
o
fF
S
R
)
2.7V
5V
5.5V
PGA = 1
-20
-15
-10
-5
0
5
10
15
20
-60 -40 -20
0
20
40
60
80 100 120 140
Temperature (°C)
O
ff
s
e
tE
rror
(
V
)
PGA = 1
PGA = 2
PGA = 4
PGA = 8
0
1
2
3
4
5
6
7
8
-100
-75
-50
-25
0
25
50
75
100
Input Signal (% of FSR)
Ou
tP
u
tN
o
is
e
(
V,
rm
s)
PGA = 1
PGA = 2
PGA = 4
PGA = 8
TA = +25°C
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
-100
-75
-50
-25
0
25
50
75
100
Input Voltage (% of Full-Scale)
T
o
ta
lE
rro
r(
m
V
)
PGA = 1
PGA = 8
PGA = 4
PGA = 2
TA = +25°C
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
-60 -40 -20
0
20
40
60
80 100 120 140
Temperature (°C)
G
a
in
E
rro
r(
%
o
fF
S
R
)
PGA = 1
PGA = 2
PGA = 4
PGA = 8
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