参数资料
型号: MCP3422A0-E/MC
厂商: Microchip Technology
文件页数: 58/58页
文件大小: 0K
描述: IC ADC 18BIT 3.75SPS 2CH 8-DFN
产品培训模块: MCP3901 Analog Front End
标准包装: 150
位数: 18
采样率(每秒): 3.75
数据接口: I²C,串行
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-VFDFN 裸露焊盘
供应商设备封装: 8-DFN(2x3)
包装: 管件
输入数目和类型: 4 个单端,双极;2 个差分,双极
产品目录页面: 672 (CN2011-ZH PDF)
配用: MCP3422EV-ND - BOARD EVAL MCP3422 PICKIT SERIAL
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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