Note: Unless otherwise indicated, T<" />
參數(shù)資料
型號： MCP3422EV
廠商： Microchip Technology
文件頁數(shù)： 58/58頁
文件大?。?/td> 0K
描述： BOARD EVAL MCP3422 PICKIT SERIAL
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準包裝： 1
系列： PICkit™
ADC 的數(shù)量： 2
位數(shù)： 18
采樣率（每秒）： 3.75
數(shù)據(jù)接口： 串行
輸入范圍： ±2.048 V
工作溫度： -40°C ~ 125°C
已用 IC / 零件： MCP3422
已供物品： 板
產(chǎn)品目錄頁面： 672 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： MCP3422A0T-E/SNTR-ND - IC ADC 18BIT 3.75SPS 2CH 8-SOIC
MCP3422A0T-E/MSTR-ND - IC ADC 18BIT 3.75SPS 2CH 8-MSOP
MCP3422A0T-E/MCTR-ND - IC ADC 18BIT 3.75SPS 2CH 8-DFN
MCP3422A0-E/SN-ND - IC ADC 18BIT3.75SPS 2CH 8-SOIC
MCP3422A0-E/MS-ND - IC ADC 18BIT 3.75SPS 2CH 8-MSOP
MCP3422A0-E/MC-ND - IC ADC 18BIT 3.75SPS 2CH 8-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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