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| 型号： | SA56004FD |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | +--1 deg Cel accurate, SMBus-compatible, 8-pin, remote-local digital temperature sensor with overtemperature alarms |
| 封装： | SA56004AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 11, 2005,;SA56004AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 11, 20 |
| 文件页数： | 15/36页 |
| 文件大小： | 197K |
| 代理商： | SA56004FD |
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SA56004X_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 22 May 2008
15 of 36
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
7.9.2
T_CRIT output
The T_CRIT output is LOW when any temperature reading is greater than the preset limit
in the corresponding critical temperature setpoint register. When one of the T_CRIT
setpoint temperatures is exceeded, the appropriate status register bit, 1 (RCRIT) or 0
(LCRIT), is set.
After every local and remote temperature conversion the status register flags and the
T_CRIT output are updated.
Figure 7
is a timing diagram showing the relationship of
T_CRIT output, Status bit 1 (RCRIT) and the remote critical temperature setpoint (RCS),
and critical temperature hysteresis (TH) with remote temperature changes. Note that the
T_CRIT output is de-activated only after the remote temperature is below the remote
temperature setpoint, RCS minus the hysteresis, TH. In the interrupt mode only, the
Status register flags are reset after the Status register is read.
Event A
: T_CRIT goes LOW and Status bit 1 (RCRIT) is set HIGH when Remote
Temperature exceeds RCS, Remote T_CRIT Setpoint.
Event B
: Remote Temperature goes below RCS
TH. T_CRIT is de-activated, but
Status register remains unchanged.
Table 16.
ALERT response bit
7 (MSB)
6
5
4
3
2
1
0
ALERT response bit assignment
Device address bit
ADD6
ADD5
ADD4
ADD3
ADD2
ADD1
ADD0
1
Function
address bit 6 (MSB) of alerted device
address bit 5 of alerted device
address bit 4 of alerted device
address bit 3 of alerted device
address bit 2 of alerted device
address bit 1 of alerted device
address bit 0 of alerted device
always logic 1
Fig 7.
T_CRIT temperature response timing
002aad217
RCS
RCS
TH
Status register bit 1
(RCRIT)
A
B
C
remote temperature
T_CRIT output
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SA56004FD,112 | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND 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 |
| SA56004FD,118 | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND 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 |
| SA56004FDP | 制造商:NXP Semiconductors 功能描述:Temp Sensor Digital Serial (2-Wire, I2C) 8-Pin TSSOP |
| SA56004FDP,118 | 功能描述:板上安装温度传感器 TEMP SENSOR 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 |
| SA56004FDP-T | 功能描述:板上安装温度传感器 TEMP SENSOR 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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