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参数资料
型号： MCP3550T-50E/MS
厂商： Microchip Technology
文件页数： 32/36页
文件大小： 0K
描述： IC ADC 22BIT 2.7V 1CH 8MSOP
产品培训模块： MCP3901 Analog Front End
标准包装： 2,500
位数： 22
采样率（每秒）： 12.5
数据接口： 串行，SPI?
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-TSSOP，8-MSOP（0.118"，3.00mm 宽）
供应商设备封装： 8-MSOP
包装： 带卷 (TR)
输入数目和类型： 1 个差分，单极
配用： MCP355XDV-MS1-ND - BOARD DEV SENSOR APP MCP355X
MCP355XDM-TAS-ND - BOARD DEMO TINY APP SNSR MCP355X
2009 Microchip Technology Inc.
DS21950E-page 5
MCP3550/1/3
Voltage Output Low (SDO/RDY)VOL
——
0.4
V
VOH = -1 mA, VDD = 5.0V
Input leakage Current
(CS, SCK)
ILI
-1
—
1
A
Internal Pin Capacitance
(CS, SCK, SDO/RDY)
CINT
—5
—
pF
Note 1
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all parameters apply at -40°C
≤ TA ≤ +85°C, VDD = 2.7V or 5.0V.
VREF = 2.5V. VIN+ = VIN- = VCM = VREF/2. All ppm units use 2*VREF as full scale range. Unless otherwise noted, specification
applies to entire MCP3550/1/3 family.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
This parameter is established by characterization and not 100% tested.
2:
INL is the difference between the endpoints line and the measured code at the center of the quantization band.
3:
This current is due to the leakage current and the current due to the offset voltage between VIN+ and VIN-.
4:
Input impedance is inversely proportional to clock frequency; typical values are for the MCP3550/1 device. VREF =5V.
5:
Characterized by design, but not tested.
6:
Rejection performance depends on internal oscillator accuracy; see Section 4.0 “Device Overview” for more informa-
tion on oscillator and digital filter design. MCP3550/1 device rejection specifications characterized from 49 to 61 Hz.
TEMPERATURE CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
TA
-40
—
+85
°C
Operating Temperature Range
TA
-40
—
+125
°C
Thermal Package Resistances
Thermal Resistance, 8L-MSOP
θJA
—211
—
°C/W
Thermal Resistance, 8L-SOIC
θJA
—
149.5
—
°C/W
SERIAL TIMINGS
Electrical Specifications: Unless otherwise indicated, all parameters apply at -40°C
≤ TA ≤ +85°C,
VDD = 3.3V or 5.0V, SDO load = 50 pF.
Parameters
Sym
Min
Typ
Max
Units
Conditions
CLK Frequency
fSCK
——
5
MHz
CLK High
tHI
90
—
ns
CLK Low
tLO
90
—
ns
CLK fall to output data valid
tDO
0—
90
ns
CS low to indicate RDY state
tRDY
0—
50
ns
CS minimum low time
tCSL
50
—
ns
RDY flag setup time
tSU
20
—
ns
CS rise to output disable
tDIS
20
—
ns
CS disable time
tCSD
90
—
ns
Power-up to CS LOW
tPUCSL
—10
—
s
CS High to Shutdown Mode
tCSHSD
—10
—
s
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