參數(shù)資料
型號: MCP3201-BI/SN
廠商: Microchip Technology
文件頁數(shù): 7/40頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 2.7V 1CH SPI 8-SOIC
標準包裝: 100
位數(shù): 12
采樣率(每秒): 100k
數(shù)據(jù)接口: 串行,SPI?
轉換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOICN
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極
產(chǎn)品目錄頁面: 672 (CN2011-ZH PDF)
1998-2011 Microchip Technology Inc.
DS21290F-page 15
MCP3201
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
Additional descriptions of the device pins follows.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Positive Analog Input (IN+)
Positive analog input. This input can vary from IN- to
VREF + IN-.
3.2
Negative Analog Input (IN-)
Negative analog input. This input can vary ±100 mV
from VSS.
3.3
Chip Select/Shutdown (CS/SHDN)
The CS/SHDN pin is used to initiate communication
with the device when pulled low and will end a
conversion and put the device in low power standby
when pulled high. The CS/SHDN pin must be pulled
high between conversions.
3.4
Serial Clock (CLK)
The SPI clock pin is used to initiate a conversion and to
clock out each bit of the conversion as it takes place.
for constraints on clock speed.
3.5
Serial Data Output (DOUT)
The SPI serial data output pin is used to shift out the
results of the A/D conversion. Data will always change
on the falling edge of each clock as the conversion
takes place.
MCP3201
Symbol
Description
MSOP, PDIP, SOIC,
TSSOP
1VREF
Reference Voltage Input
2
IN+
Positive Analog Input
3
IN-
Negative Analog Input
4VSS
Ground
5CS/SHDN
Chip Select/Shutdown Input
6DOUT
Serial Data Out
7
CLK
Serial Clock
8VDD
+2.7V to 5.5V Power Supply
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