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參數(shù)資料
| 型號(hào)： | DS1721U+T&R |
| 廠商： | Maxim Integrated |
| 文件頁(yè)數(shù)： | 2/17頁(yè) |
| 文件大小： | 257K |
| 描述： | IC THERMOMETER/STAT DIG HP 8USOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 功能： | 溫度計(jì)，恒溫計(jì) |
| 傳感器類型： | 內(nèi)部 |
| 感應(yīng)溫度： | -55°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓?fù)洌?/td> | ADC，比較器，寄存器庫(kù) |
| 輸出類型： | 2 線串行，I²C?/SMBUS? |
| 輸出警報(bào)： | 是 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
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DS1721
2 of 17
ORDERING INFORMATION
ORDERING
INFORMATION
PACKAGE
MARKING
DESCRIPTION
DS1721S
DS1721
DS1721 in 150 mil 8-pin SO
DS1721S+
DS1721 (See Note) DS1721 in Lead-Free 150 mil 8-pin SO
DS1721S/T&R
DS1721
DS1721 in 150 mil 8-pin SO, 2500 Piece Tape-and-Reel
DS1721S+T&R
DS1721 (See Note) DS1721 in Lead-Free 150 mil 8-pin SO, 2500 Piece Tape-
and-Reel
DS1721U
1721
DS1721 in 8-pin uSOP
DS1721U+
1721 (See Note)
DS1721 in Lead-Free 8-pin uSOP
DS1721U/T&R
1721
DS1721 in 8-pin uSOP, 3000 Piece Tape-and-Reel
DS1721U+T&R
1721 (See Note)
DS1721 in Lead-Free 8-pin uSOP, 3000 Piece Tape-and-Reel
Note: A + symbol will also be marked on the package near the Pin 1 indicator.
DETAILED PIN DESCRIPTION Table 1
PIN SYMBOL DESCRIPTION
1
SDA
Data input/output pin. For 2-wire serial communication port.
2
SCL
Clock input/output pin. For 2-wire serial communication port.
3
T
OUT
Thermostat output. Active when temperature exceeds TH; will reset when
temperature falls below TL.
4
GND
Ground pin.
5
A2
Address input pin.
6
A1
Address input pin.
7
A0
Address input pin.
8
V
DD
Supply Voltage. 2.7V to 5.5V input power pin.
OVERVIEW
A block diagram of the DS1721 is shown in Figure 1.
The DS1721 consists of five major components:
1. Precision temperature sensor
2. Analog-to-digital converter
3. 2-wire interface electronics
4. Data registers
5. Thermostat comparator
The factory-calibrated temperature sensor requires no external components. Upon power-up, the DS1721
is in an idle mode. Upon issuance of a Start Convert T command [51h], the DS1721 begins temperature
conversions with the default resolution of 12 bits (0.0625癈 resolution). Following an 8-bit command
protocol, temperature data can be read over the 2-wire interface. The host can periodically read the value
in the temperature register, which contains the last completed conversion. As conversions are performed
in the background, reading the temperature register does not affect the conversion in progress.
In power-sensitive applications, the user can put the DS1721 in a one-shot mode, under which the
sensor will complete and store one temperature conversion and return to a low-power standby state. In
time-sensitive applications, the user can change the conversion resolution from 12 bits to 9, 10, or 11.
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| DS1722S | IC THERMOMETER DIG 3-WIRE 8-SOIC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1722 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Digital Thermometer with SPI/3-Wire Interface |
| DS1722S | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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 |
| DS1722S/T&R | 制造商:Maxim Integrated Products 功能描述:SPI 3-WIRE THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC |
| DS1722S/T&R | 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 |
| DS1722S+ | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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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