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參數(shù)資料
| 型號(hào)： | MAX6699EE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 5-Channel Precision Temperature Monitor |
| 中文描述： | ANALOG TEMP SENSOR-VOLTAGE, 0.3-3Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | 0.150 INCH, 0.025 PITCH, MO-153, QSOP-16 |
| 文件頁(yè)數(shù)： | 12/19頁(yè) |
| 文件大?。?/td> | 321K |
| 代理商： | MAX6699EE |
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M
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°C), or the trip
temperature must be set at least 4°C above the current
temperature.
Applications Information
Remote-Diode Selection
The MAX6699 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 MAX6699 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 difference is predictable. Assume a remote-diode
5-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 MAX6699 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 MAX6699 cancels series
resistance in the channel 1 thermal diode.
2
1
0
Reserved
Reserved
Reserved
0
0
0
—
—
—
Table 4. Configuration 1 Register
Table 5. Configuration 2 Register
BIT
NAME
POR
STATE
FUNCTION
7(MSB)
6
5
4
3
2
1
0
Reserved
Mask Local ALERT
Reserved
Reserved
Mask ALERT 4
Mask ALERT 3
Mask ALERT 2
Mask ALERT 1
0
0
0
0
0
0
0
0
Local Alert Mask. Set to logic 1 to mask local channel
ALERT
.
—
—
Channel 4 Alert Mask. Set to logic 1 to mask channel 4
ALERT
.
Channel 3 Alert Interrupt Mask. Set to logic 1 to mask channel 3
ALERT
.
Channel 2 Alert Mask. Set to logic 1 to mask channel 2
ALERT
.
Channel 1 Alert Mask. Set to logic 1 to mask channel 1
ALERT
.
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| MAX6699EE34 | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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| MAX6699EE34+T | 功能描述:板上安裝溫度傳感器 5Ch Precision Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6699EE34-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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