- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄67358 > ADT7482ARMZ-U2 (ON SEMICONDUCTOR) DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 2.5Cel, SQUARE, SURFACE MOUNT PDF資料下載
參數(shù)資料
| 型號： | ADT7482ARMZ-U2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 2.5Cel, SQUARE, SURFACE MOUNT |
| 封裝： | LEAD FREE, MO-187-BA, MSOP-10 |
| 文件頁數(shù)： | 5/24頁 |
| 文件大?。?/td> | 335K |
| 代理商： | ADT7482ARMZ-U2 |
ADT7482
Rev. 1 | Page 13 of 24 | www.onsemi.com
CONVERSION RATE REGISTER
The conversion rate register is at Address 0x04 for reads and
Address 0x0A for writes. The four LSBs of this register are used
to program the conversion times from 15.5 ms (Code 0x0A) to
16 seconds (Code 0x00). To program the ADT7482 to perform
continuous measurements, set the conversion rate register to
0x0B. For example, a conversion rate of 8 conversions/second
means that, beginning at 125 ms intervals, the device performs
a conversion on the local and the remote temperature channels.
The four MSBs of this register are reserved and should not be
written to.
This register can be written to and read back over the SMBus.
The default value of this register is 0x07, giving a rate of 8
conversions per second. Use of slower conversion times greatly
reduces the device power consumption.
LIMIT REGISTERS
The ADT7482 has three limits for each temperature channel:
high, low, and THERM temperature limits for local, Remote 1,
and Remote 2 temperature measurements. The remote
temperature high and low limits span two registers each, to
contain an upper and lower byte for each limit. There is also a
THERM hysteresis register. All limit registers can be written to
and read back over the SMBus. See Table 16 for limit register
addresses and power-on default values.
When Pin 8 is configured as an ALERT output, the high limit
registers perform a > comparison while the low limit registers
perform a ≤ comparison. For example, if the high limit register
is programmed with 80°C, then measuring 81°C results in an
out-of-limit condition, setting a flag in the status register. If the
low limit register is programmed with 0°C, measuring 0°C or
lower results in an out-of-limit condition.
Exceeding either the local or remote THERM limit asserts
THERM low. When Pin 8 is configured as THERM2, exceeding
either the local or remote high limit asserts THERM2 low. A
default hysteresis value of 10°C is provided that applies to both
THERM channels. This hysteresis value can be reprogrammed.
It is important to remember that the temperature limits data
format is the same as the temperature measurement data
format. If the temperature measurement uses the default binary
scale, then the temperature limits also use the binary scale. If
the temperature measurement scale is switched, however, the
temperature limits do not switch automatically.
The limit registers must be reprogrammed to the desired value
in the correct data format. For example, if the remote low limit
is set at 10°C and the default binary scale is used, the limit
register value should be 0000 1010b. If the scale is switched to
offset binary, the value in the low temperature limit register
should be reprogrammed to be 0100 1010b.
Table 11. Conversion Rate Register (Read Address = 0x04, Write Address = 0x0A)
Bit
Mnemonic
Function
7
Reserved
Reserved for future use. Do not write to this bit.
6
Reserved
Reserved for future use . Do not write to this bit.
5
Reserved
Reserved for future use . Do not write to this bit.
4
Reserved
Reserved for future use. Do not write to this bit.
<3:0>
Conversion rates
These bits set how often the ADT7482 measures each temperature channel.
Conversions/sec
Time (seconds)
0000 = 0.0625
16
0001 = 0.125
8
0010 = 0.25
4
0011 = 0.5
2
0100 = 1
1
0101 = 2
500 m
0110 = 4
250 m
0111 = 8 = default
125 m
1000 = 16
62.5 m
1001 = 32
31.25 m
1010 = 64
15.5 m
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADT7485ARMZ-REEL | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| ADT7485ARMZ | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| ADT7485ARMZ-REEL7 | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| ADT7486ARMZ-REEL | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| ADT7486ARMZ-REEL7 | DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADT7483A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Channel Temperature Sensor and Over Temperature Alarm |
| ADT7483AARQZ | 功能描述:板上安裝溫度傳感器 2 TEMP DIODE MONITOR 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: 設備功能:Temperature and Humidity Sensor |
| ADT7483AARQZ-R7 | 功能描述:板上安裝溫度傳感器 2 TEMP DIODE MONITOR 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: 設備功能:Temperature and Humidity Sensor |
| ADT7483AARQZ-REEL | 功能描述:IC TEMP SENSOR/ALARM 3CH 16-QSOP 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 供應商設備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
| ADT7483AARQZ-REEL7 | 功能描述:IC TEMP SENSOR/ALARM 3CH 16-QSOP 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 供應商設備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
發(fā)布緊急采購，3分鐘左右您將得到回復。