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| 型号： | SA56004GD,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 15/43页 |
| 文件大小： | 516K |
| 描述： | IC TEMP SENSOR 8-SOIC |
| 标准包装： | 2,000 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -40°C ~ 125°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC（三角积分型），多路复用器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 配用： | 568-3615-ND - DEMO BOARD I2C |
| 其它名称： | 568-3341-5 935274552112 SA56004GD |
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SA56004X
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 7 25 February 2013
15 of 43
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
The following events summarize the ALERT output interrupt mode of operation:
Event A: Master senses ALERT
output being active-LOW.
Event B: Master reads the SA56004X Status register to determine what cause the
ALERT
interrupt.
Event C: SA56004X clears the Status register, resets the ALERT
output HIGH, and sets
the ALERT
mask bit 7 in the Configuration register.
Event D: A new conversion result indicates that the temperature is still above the high
limit, however the ALERT
pin is not activated due to the ALERT mask.
Event E: Master should correct the conditions that caused the ALERT
output to be
triggered. For instance, the fan is started, setpoint levels are adjusted.
Event F: Master resets the ALERT
mask bit 7 in the Configuration register.
7.9.1.3 ALERT
output in SMBus ALERT mode
When several slave devices share a common interrupt line, an SMBus alert line is
implemented. The SA56004X is designed to accommodate the Alert interrupt detection
capability of the SMBus 2.0 Alert Response Address (ARA) protocol, defined in SMBus
specification 2.0. This procedure is designed to assist the master in resolving which slave
device generated the interrupt and in servicing the interrupt while minimizing the time to
restore the system to its proper operation. Basically, the SMBus provides Alert response
interrupt pointers in order to identify slave devices which have caused the Alert interrupt.
When the ARA command is received by all devices on the SMBus, the devices pulling the
SMBus alert line LOW send their device addresses to the master; await an
acknowledgement and then release the alert line. This requirement to disengage the
SMBus alert line prevents locking up the alert line. The SA56004X complies with this ARA
disengagement protocol by setting the ALERT
mask bit 7 in the Configuration register at
address 09h after successfully sending out its address in response to an ARA command
and releasing the ALERT
output. Once the mask bit is activated, the ALERT
output is
disabled until enabled by software. In order to enable the ALERT
the master must read
Fig 5. ALERT
output in interrupt mode
emote temperature high limit
remote diode temperature
ALERT pin
status register bit 4
(RHIGH)
A
B, C
D
E, F
2 21
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SA56004GDP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:1 Degrees Celcious accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with over temperature alarms |
| SA56004GDP,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 |
| SA56004GDP-T | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND REM +/- 1OC TS 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 |
| SA56004GD-T | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND REM +/- 1OC TS 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 |
| SA56004HD | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND REM +/- 1OC TS 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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