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参数资料
型号： MCP3421EV
厂商： Microchip Technology
文件页数： 40/42页
文件大小： 0K
描述： BOARD EVAL FOR MCP3421 SOT23-6
产品培训模块： MCP3901 Analog Front End
设计资源： MCP3421EV Gerber Files
标准包装： 1
ADC 的数量： 1
位数： 18
采样率（每秒）： 4
数据接口： 串行
输入范围： ±2.5 V
工作温度： -40°C ~ 125°C
已用 IC / 零件： MCP3421
已供物品： 2 板，CD
产品目录页面： 672 (CN2011-ZH PDF)
相关产品： MCP3421A5T-E/OTDKR-ND - IC ADC 18BIT 3.75SPS SOT23-6
MCP3421A3T-E/CHTR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A2T-E/CHTR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A1T-E/CHTR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A0T-E/CHTR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A0T-E/OTDKR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A0T-E/OTCT-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A0T-E/OTTR-ND - IC ADC 18BIT 3.75SPS 1CH SOT23-6
MCP3421A5T-E/OTCT-ND - IC ADC 18BIT 3.75SPS SOT23-6
MCP3421A5T-E/OTTR-ND - IC ADC 18BIT 3.75SPS SOT23-6
2009 Microchip Technology Inc.
DS22003E-page 7
MCP3421
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, T
A = -40°C to +85°C, VDD = +5.0V, VSS = 0V, VIN+ = VIN- = 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.
.000
.001
.002
.003
.004
.005
2.533.544.555.5
VDD (V)
PGA = 1
PGA = 2
PGA = 8
PGA = 4
Integra
lNonlinea
rity
(%
of
FSR
)
0
0.001
0.002
0.003
-60 -40 -20 0
20 40 60 80 100 120 140
Temperature (
oC)
Inte
gral
Nonline
a
rity
(%
of
FSR)
VDD = 5 V
VDD = 2.7V
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
ffset
Er
ro
r(
V)
VDD = 5V
PGA = 1
PGA = 2
PGA = 8
PGA = 4
0.0
2.5
5.0
7.5
10.0
-100 -75
-50
-25
0
25
50
75
100
Input Voltage (% of Full Scale)
N
o
is
e
(
V
,r
m
s)
PGA = 1
PGA = 2
PGA = 8
PGA = 4
TA = +25°C
VDD = 5V
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-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 = 2
PGA = 8
PGA = 4
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
-60 -40 -20
0
20
40
60
80 100 120 140
Temperature (°C)
Gain
Err
o
r(%
o
fFSR
)
VDD = 5.0V
PGA = 1
PGA = 2
PGA = 8
PGA = 4
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