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| 型号： | MAX6692MUA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 14/16页 |
| 文件大小： | 194K |
| 描述： | IC SENSOR REMOTE SMBUS 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 0°C ~ 125°C，外部传感器 |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，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： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 标准包装 |
| 产品目录页面： | 1426 (CN2011-ZH PDF) |
| 其它名称： | MAX6692MUA+TDKR |
Precision SMBus-Compatible Remote/Local
Temperature Sensors with Overtemperature Alarms
14 _______________________________________________________________________ ________________________________________________ __________________________________ ___________________
Thermal Mass and Self-Heating
When sensing local temperature, these devices are
intended to measure the temperature of the PCB to
which they are soldered. The leads provide a good ther-
mal path between the PCB traces and the die. Thermal
conductivity between the die and the ambient air is poor
by comparison, making air temperature measurements
impractical. Because the thermal mass of the PCB is far
greater than that of the MAX6648/MAX6692, the devices
follow temperature changes on the PCB with little or no
perceivable delay.
When measuring the temperature of a CPU or other IC
with an on-chip sense junction, thermal mass has virtu-
ally no effect; the measured temperature of the junction
tracks the actual temperature within a conversion cycle.
When measuring temperature with discrete remote sen-
sors, smaller packages, such as SOT23s, yield the best
thermal response times. Take care to account for ther-
mal gradients between the heat source and the sensor,
and ensure that stray air currents across the sensor
package do not interfere with measurement accuracy.
Self-heating does not significantly affect measurement
accuracy. Remote-sensor self-heating due to the diode
current source is negligible. For the local diode, the
worst-case error occurs when autoconverting at the
fastest rate and simultaneously sinking maximum current
at the ALERT output. For example, with V
CC
= 5.0V, at a
4Hz conversion rate and with ALERT sinking 1mA, the
typical power dissipation is:
5.0V x 500礎 + 0.4V x 1mA = 2.9mW
?/DIV>
J-A
for the 8-pin 礛AX package is about +221癈/W,
so assuming no copper PCB heat sinking, the resulting
temperature rise is:
擳 = 2.9mW x (+221癈/W) = +0.6409癈
Even under nearly worst-case conditions, it is difficult to
introduce a significant self-heating error.
MUX
REMOTE
LOCAL
ADC
2
CONTROL
LOGIC
SMBus
READ
WRITE
8
8
ADDRESS
DECODER
7
S
R
Q
DIODE
FAULT
DXP
DXN
SMBCLK
SMBDATA
REGISTER BANK
COMMAND BYTE
REMOTE TEMPERATURE
LOCAL TEMPERATURE
ALERT THRESHOLD
ALERT RESPONSE ADDRESS
V
CC
S
R
Q
OVERT
ALERT
MAX6648
MAX6692
OVERT THRESHOLD
Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6692YMSA+ | 功能描述:板上安装温度传感器 Remote/Local Temperature 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 |
| MAX6692YMSA+T | 功能描述:板上安装温度传感器 Remote/Local Temperature 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 |
| MAX6692YMUA+ | 功能描述:板上安装温度传感器 Remote/Local Temperature 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 |
| MAX6692YMUA+T | 功能描述:板上安装温度传感器 Remote/Local Temperature 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 |
| MAX6693UP9A+ | 功能描述:板上安装温度传感器 7Ch Precision Temperature Monitor 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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