参数资料
型号: DS1822+T&R
厂商: Maxim Integrated
文件页数: 14/21页
文件大小: 0K
描述: IC THERMOMETER ECONO DIG TO-92
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
感应温度: -55°C ~ 125°C
输出类型: 数字
电源电压: 3 V ~ 5 V
精确度: ±2°C
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
DS1822
DS1822 FUNCTION COMMANDS FLOW CHART Figure 12
MASTER T X
FUNCTION
COMMAND
44h
CONVERT
TEMPERATURE
?
N
48h
COPY
SCRATCHPAD
?
N
Y
Y
N
PARASITE
POWER
?
Y
N
PARASITE
POWER
?
Y
DS1822 BEGINS
CONVERSION
MASTER ENABLES
STRONG PULLUP ON DQ
MASTER ENABLES
STRONG PULL-UP ON DQ
DEVICE
CONVERTING
TEMPERATURE
?
Y
MASTER
R X “0s”
N
MASTER
R X “1s”
DS1822 CONVERTS
TEMPERATURE
MASTER DISABLES
STRONG PULLUP
COPY IN
PROGRESS
?
Y
MASTER
R X “0s”
N
MASTER
R X “1s”
DATA COPIED FROM
SCRATCHPAD TO EEPROM
MASTER DISABLES
STRONG PULLUP
N
B4h
READ
POWER SUPPLY
?
N
B8h
RECALL E 2
?
N
BEh
READ
SCRATCHPAD
?
N
4Eh
WRITE
SCRATCHPAD
?
Y
Y
Y
Y
MASTER BEGINS DATA
RECALL FROM E PROM
N
PARASITE
POWERED
?
Y
2
MASTER R X DATA BYTE
FROM SCRATCHPAD
MASTER T X T H BYTE
TO SCRATCHPAD
MASTER T X T L BYTE
TO SCRATCHPAD
MASTER
R X “1s”
MASTER
R X “0s”
DEVICE
BUSY RECALLING
DATA
?
N
MASTER
T X RESET
?
N
Y
MASTER T X CONFIG. BYTE
TO SCRATCHPAD
Y
MASTER
R X “0s”
MASTER
R X “1s”
N
HAVE 8 BYTES
BEEN READ
?
Y
MASTER R X SCRATCHPAD
CRC BYTE
RETURN TO INITIALIZATION
SEQUENCE (FIGURE 11) FOR
NEXT TRANSACTION
14 of 21
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相关代理商/技术参数
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DS1822-W 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER SOIC - Rail/Tube
DS1822Z 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
DS1822Z/T 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Econo 1-Wire Digital Thermometer
DS1822Z/T&R 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER ECONO DIG 8-SOIC
DS1822Z/T&R 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor