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參數資料
| 型號： | ADT7461AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | MS-012-AA, SOIC-8 |
| 文件頁數： | 20/24頁 |
| 文件大?。?/td> | 854K |
| 代理商： | ADT7461AR |
ADT7461
For really long distances (up to 100 feet), use shielded
twisted pair, such as Belden No. 8451 microphone cable.
Connect the twisted pair to D+ and D and the shield to
GND close to the ADT7461. Leave the remote end of the
shield unconnected to avoid ground loops.
Because the measurement technique uses switched current
sources, excessive cable or filter capacitance can affect the
measurement. When using long cables, the filter capacitance
may be reduced or removed.
APPLICATION CIRCUIT
Figure 23
shows a typical application circuit for the ADT7461,
using a discrete sensor transistor connected via a shielded,
twisted pair cable. The pull-ups on SCLK, SDATA, and ALERT
are required only if they are not already provided elsewhere in
the system.
Figure 23. Typical Application Circuit
The SCLK and SDATA pins of the ADT7461 can be interfaced
directly to the SMBus of an I/O controller, such as the Intel 820
chipset.
0
SHIELD
2N3906
OR
CPU THERMAL
DIODE
ALERT/
THERM2
GND
THERM
D+
D–
ADT7461
SCLK
SDATA
V
DD
V
DD
3V TO 3.6V
TYP 10k
TYP 10k
0.1
μ
F
FAN
CONTROL
CIRCUIT
FAN
ENABLE
SMBUS
CONTROLLER
5V OR 12V
Rev. 0 | Page 20 of 24
相關PDF資料 |
PDF描述 |
|---|---|
| ADT7461AR-REEL | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| ADT7461AR-REEL7 | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| ADT7461ARM | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| ADT7461ARM-REEL | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| ADT7461ARM-REEL7 | 【1∑C Temperature Monitor with Series Resistance Cancellation |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7461ARM | 制造商:Rochester Electronics LLC 功能描述:+/-1C TDM SRC EXT TEMP RANGE I.C. - Bulk 制造商:Analog Devices 功能描述:IC TEMP SENSOR |
| ADT7461ARM2-2 | 制造商:Analog Devices 功能描述: |
| ADT7461ARM-REEL | 制造商:Rochester Electronics LLC 功能描述:+/-1C TDM SRC EXT TEMP RANGE I.C. - Tape and Reel |
| ADT7461ARM-REEL7 | 制造商:Rochester Electronics LLC 功能描述:+/-1C TDM SRC EXT TEMP RANGE I.C. - Tape and Reel |
| ADT7461ARMZ | 功能描述:板上安裝溫度傳感器 EXT TMP RGE IC 1C TDM SRC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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