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| 型號： | ADT7476ARQZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | ROHS COMPLIANT, MO-137AE, QSOP-24 |
| 文件頁數(shù)： | 67/72頁 |
| 文件大小： | 5219K |
| 代理商： | ADT7476ARQZ-REEL7 |
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ADT7476
Rev. B | Page 7 of 72
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
05382-003
20
19
18
17
16
15
14
13
+5VIN
VID4/GPIO4
D1+
D1–
24
23
22
21
PWM1/XTO
VCCP
+2.5VIN/THERM
+12VIN/VID5
D2+
D2–
PWM3/ADDREN
TACH4/THERM/SMBALERT/GPIO6/ADDR SELECT
5
6
7
8
9
10
11
12
VID0/GPIO0
VID1/GPIO1
VID2/GPIO2
VID3/GPIO3
TACH1
TACH2
TACH3
PWM2/SMBALERT
1
2
3
4
SDA
SCL
GND
VCC
ADT7476
TOP VIEW
(Not to Scale)
Figure 3. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
SDA
Digital I/O (Open Drain). SMBus bidirectional serial data. Requires SMBus pull-up.
2
SCL
Digital Input (Open Drain). SMBus serial clock input. Requires SMBus pull-up.
3
GND
Ground Pin.
4
VCC
Power Supply. Powered by 3.3 V standby, if monitoring in low power states is required. VCC is also monitored
through this pin.
5
VID0
Digital Input. Voltage supply readouts from CPU. This value is read into the VID code register (0x43).
GPIO0
General-Purpose Open-Drain Digital I/O.
6
VID1
Digital Input. Voltage supply readouts from CPU. This value is read into the VID code register (0x43).
GPIO1
General-Purpose Open-Drain Digital I/O.
7
VID2
Digital Input. Voltage supply readouts from CPU. This value is read into the VID code register (0x43).
GPIO2
General-Purpose Open-Drain Digital I/O.
8
VID3
Digital Input. Voltage supply readouts from CPU. This value is read into the VID code register (0x43).
GPIO3
General-Purpose Open-Drain Digital I/O.
9
TACH3
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 3.
10
PWM2
Digital Output (Open Drain). Requires 10 kΩ typical pull-up. Pulse-width modulated output to control Fan 2
speed. Can be configured as a high or low frequency drive.
SMBALERT
Digital Output (Open Drain). This pin can be reconfigured as an SMBALERT interrupt output to signal out-of-
limit conditions.
11
TACH1
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 1.
12
TACH2
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 2.
13
PWM3
Digital I/O (Open Drain). Pulse-width modulated output to control Fan 3 and Fan 4 speed. Requires 10 kΩ typical
pull-up. Can be configured as a high or low frequency drive.
ADDREN
If pulled low on power-up, the ADT7476 enters address select mode, and the state of Pin 14 (ADDR SELECT)
determines the ADT7476 slave address.
14
TACH4
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 4.
THERM
Alternatively, the pin can be reconfigured as a bidirectional THERM pin. Use to time and monitor assertions on
the THERM input. For example, can be connected to the PROCHOT output of an Intel Pentium 4 processor or
to the output of a trip point temperature sensor. Can be used as an output to signal overtemperature
conditions.
SMBALERT
Digital Output (Open Drain). This pin can be reconfigured as an SMBALERT interrupt output to signal out-of-
limit conditions.
GPIO6
General-Purpose Open-Drain Digital I/O.
ADDR SELECT
If in address select mode, the logic state of this pin defines the SMBus device address.
15
D2–
Cathode Connection to Second Thermal Diode.
16
D2+
Anode Connection to Second Thermal Diode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADT7476EBZEVB | 功能描述:BOARD EVALUATION FOR ADT7476 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:dBCool® 標準包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| ADT7481 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Channel Temperature Sensor and Over Temperature Alarm |
| ADT7481ARMZ | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-001 | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-1 | 功能描述:IC SENSOR TEMP 2CH ALARM 10MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠程（最大值） 拓撲:ADC，比較器，寄存器庫 輸出類型:2 線 SMBus? 輸出警報:無 輸出風扇:無 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
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