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参数资料
| 型号： | DS1721S |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 7/19页 |
| 文件大小： | 356K |
| 代理商： | DS1721S |
DS1721
15 of 17
DC ELECTRICAL CHARACTERISTICS:
DIGITAL THERMOMETER
(-55°C to +125°C; 2.7V
VDD 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
-10°C to +85°C,
3.0V≤VDD≤5.5V
±1.0
°C
-10°C to +85°C,
2.7V≤VDD<3.0V
±1.5
°C
DS1721
Thermometer Error
TERR
-55°C to +125°C
±2.0
°C
Resolution
9
12
bits
9-bit
Conversions
93.75
10-bit
Conversions
187.5
11-bit
Conversions
375
Conversion Time
tCONVT
12-bit
Conversions
750
ms
AC ELECTRICAL CHARACTERISTICS:
2-WIRE INTERFACE
(-55°C to +125°C; VDD=2.7V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
SCL Clock
Frequency
fSCL
Fast Mode
Standard Mode
0
400
100
KHz
Bus Free Time
Between a STOP
and START
Condition
tBUF
Fast Mode
Standard Mode
1.3
4.7
s
Hold Time
(Repeated) START
Condition
tHD:STA
Fast Mode
Standard Mode
0.6
4.0
s
5
Low Period of
SCL Clock
tLOW
Fast Mode
Standard Mode
1.3
4.7
s
High Period of
SCL Clock
tHIGH
Fast Mode
Standard Mode
0.6
4.0
s
Setup Time for a
Repeated START
Condition
tSU:STA
Fast Mode
Standard Mode
0.6
4.7
s
Data Hold Time
tHD:DAT
Fast Mode
Standard Mode
0
0.9
s
6
Data Set-up Time
tSU:DAT
Fast Mode
Standard Mode
100
250
ns
7
Rise Time of both
SDA and SCL
Signals
tR
Fast Mode
Standard Mode
20+0.1
CB
300
1000
ns
7
Fall Time of both
SDA and SCL
Signals
tF
Fast Mode
Standard Mode
20+0.1
CB
300
1000
ns
8
Set-up time for
STOP Condition
tSU:STO
Fast Mode
Standard Mode
0.6
4.0
s
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1721S/T&R | 制造商:Maxim Integrated Products 功能描述:2-WIRE DIGITAL THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG HP 8SOIC |
| DS1721S/T&R+W | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER AND THERMOSTAT - Tape and Reel |
| DS1721S/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 |
| DS1721S/T,R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2-Wire Digital Thermometer and Thermostat |
| DS1721S+ | 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat 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 |
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