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| 型号： | MAX6697UP38+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 12/18页 |
| 文件大小： | 234K |
| 描述： | IC TEMP MON 7CH PREC 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 74 |
| 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，外部传感器 |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，缓冲器，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： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
cases, the alert is cleared even if the fault condition
exists, but the ALERT output reasserts at the end of the
next conversion. The bits indicating the fault for the
OVERT interrupt output clear only on reading the status
2 register even if the fault conditions still exist. Reading
the status 2 register does not clear the OVERT interrupt
output. To eliminate the fault condition, either the mea-
sured temperature must drop below the temperature
threshold minus the hysteresis value (4癈), or the trip
temperature must be set at least 4癈 above the current
temperature.
Applications Information
Remote-Diode Selection
The MAX6697 directly measures the die temperature of
CPUs and other ICs that have on-chip temperature-
sensing diodes (see the Typical Application Circuit) or
it can measure the temperature of a discrete diode-
connected transistor.
Effect of Ideality Factor
The accuracy of the remote temperature measurements
depends on the ideality factor (n) of the remote diode
(actually a transistor). The MAX6697 is optimized for n
= 1.008. A thermal diode on the substrate of an IC is
normally a pnp with the base and emitter brought out
the collector (diode connection) grounded. DXP_ must
be connected to the anode (emitter) and DXN_ must be
connected to the cathode (base) of this pnp. If a sense
transistor with an ideality factor other than 1.008 is
used, the output data is different from the data obtained
with the optimum ideality factor. Fortunately, the differ-
ence is predictable. Assume a
7-Channel Precision Temperature Monitor
12 ______________________________________________________________________________________
BIT
NAME
POR
STATE
FUNCTION
7(MSB)
STOP
0
Standby Mode Control Bit. If STOP is set to logic 1, the MAX6697 stops
converting and enters standby mode.
6
POR
0
Reset Bit. Set to logic 1 to put the device into its power-on state. This bit is self-
clearing.
5
TIMEOUT
0
Timeout Enable Bit. Set to logic 0 to enable SMBus timeout.
4
Fast remote 1
0
Channel 1 Fast Conversion Bit. Set to logic 1 to enable fast conversion of
channel 1.
3
Resistance
cancellation
0
Resistance Cancellation Bit. When set to logic 1, the MAX6697 cancels series
resistance in the channel 1 thermal diode.
2
Reserved
0
1
Reserved
0
0
Reserved
0
Table 4. Configuration 1 Register
Table 5. Configuration 2 Register
BIT
NAME
POR
STATE
FUNCTION
7(MSB)
Reserved
0
6
Mask Local ALERT
0
Local Alert Mask. Set to logic 1 to mask local channel ALERT.
5
Mask ALERT 6
0
Channel 6 Alert Mask. Set to logic 1 to mask channel 6 ALERT.
4
Mask ALERT 5
0
Channel 5 Alert Interrupt Mask. Set to logic 1 to mask channel 5 ALERT.
3
Mask ALERT 4
0
Channel 4 Alert Mask. Set to logic 1 to mask channel 4 ALERT.
2
Mask ALERT 3
0
Channel 3 Alert Interrupt Mask. Set to logic 1 to mask channel 3 ALERT.
1
Mask ALERT 2
0
Channel 2 Alert Mask. Set to logic 1 to mask channel 2 ALERT.
0
Mask ALERT 1
0
Channel 1 Alert Mask. Set to logic 1 to mask channel 1 ALERT.
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相关代理商/技术参数 |
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| MAX6697UP38+ | 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 |
| MAX6697UP38+T | 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 |
| MAX6697UP38-T | 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 |
| MAX6697UP99 | 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 |
| MAX6697UP99+ | 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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