V
參數(shù)資料
型號: MCP3221A7T-E/OT
廠商: Microchip Technology
文件頁數(shù): 22/28頁
文件大?。?/td> 0K
描述: ADC 12BIT I2C INTERFACE SOT23-5
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 22.3k
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: SC-74A,SOT-753
供應(yīng)商設(shè)備封裝: SOT-23-5
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類型: 1 個(gè)單端,單極
其它名稱: MCP3221A7T-E/OTDKR
2006 Microchip Technology Inc.
DS21732C-page 3
MCP3221
TEMPERATURE SPECIFICATIONS
Power Requirements
Operating Voltage
VDD
2.7
5.5
V
Conversion Current
IDD
175
250
A
Standby Current
IDDS
0.005
1
A
SDA, SCL = VDD
Active bus current
IDDA
120
A
Conversion Rate
Conversion Time
tCONV
—8.96
s
Analog Input Acquisition Time
tACQ
—1.12
s
Sample Rate
fSAMP
22.3
ksps
fSCL = 400 kHz (Note 1)
Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 5.0V, VSS = GND.
Parameters
Symbol
Min
Typ
Max
Units
Conditions
Temperature Ranges
Industrial Temperature Range
TA
-40
+85
°C
Extended Temperature Range
TA
-40
+125
°C
Operating Temperature Range
TA
-40
+125
°C
Storage Temperature Range
TA
-65
+150
°C
Thermal Package Resistances
Thermal Resistance, 5L-SOT23
θJA
256
°C/W
DC ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 5.0V, VSS = GND, RPU = 2 kΩ
TAMB = -40°C to +85°C, I2C Fast Mode Timing: fSCL = 400 kHz (Note 3).
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1: “Sample time” is the time between conversions once the address byte has been sent to the converter.
Refer to Figure 5-6.
2: This parameter is periodically sampled and not 100% tested.
3: RPU = Pull-up resistor on SDA and SCL.
4: SDA and SCL = VSS to VDD at 400 kHz.
5: tACQ and tCONV are dependent on internal oscillator timing. See Figure 5-5 and Figure 5-6 for relation to
SCL.
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