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參數(shù)資料
| 型號： | DS620U+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 243K |
| 描述： | IC THERMOMETER/STAT DIG 8MSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 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（三角積分型），寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報(bào)： | 無 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 1.7 V ~ 3.5 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）裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-uMax-EP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1435 (CN2011-ZH PDF) |
DS620 Digital Thermometer and Thermostat
10 of 15
conversions can be performed.
See Writing the 1SHOT Bit Command Sequence section for writing more
information on writing the 1SHOT bit.
PO2
Read/Write
At power-up, PO2 = 1.
PO2 = 0 forces the PO pin low (see Table 3)
PO2 = 1 configures PO as the thermostat output (PO
-HIGH
or PO
-LOW
, as
determined by PO1).
PO1*
Read/Write
When PO2 = 1, PO1 configures the PO pin as either PO
-HIGH
or PO
-LOW
(see
Table 3)
When PO2 = 0, PO1 is a dont care .
Factory state = 0
A2
Read Only
Shows address bit A
2
, as determined by pin A2.
A1
Read Only
Shows address bit A
1
, as determined by pin A1.
A0
Read Only
Shows address bit A
0
, as determined by pin A0.
M*
Read/Write
User memory for general-purpose data storage.
*
Stored in EEPROM
Table 6. Resolution Configuration
R1
R0
Resolution
LSb Weight (癈)
Max Conversion
Time (ms)
0
0
10-bit
0.5
25
0
1
11-bit
0.25
50
1
0
12-bit
0.125
100
1
1
13-bit
0.0625
200
2-WIRE SERIAL DATA BUS
The DS620 communicates over a standard bidirectional 2-wire serial data bus that consists of a serial clock (SCL)
signal and serial data (SDA) signal. The DS620 interfaces to the bus through the SCL input pin and open-drain
SDA I/O pin. All communication is MSb first.
The following terminology is used to describe 2-wire communication:
Master Device: Microprocessor/microcontroller that controls the slave devices on the bus. The master device
generates the SCL signal and START and STOP conditions.
Slave: All devices on the bus other than the master. The DS620 always functions as a slave.
Bus Idle or Not Busy: Both SDA and SCL remain high. SDA is held high by a pullup resistor when the bus is idle,
and SCL must either be forced high by the master (if the SCL output is push-pull) or pulled high by a pullup resistor
(if the SCL output is open-drain).
Transmitter: A device (master or slave) that is sending data on the bus.
Receiver: A device (master or slave) that is receiving data from the bus.
START Condition: Signal generated by the master to indicate the beginning of a data transfer on the bus. The
master generates a START condition by pulling SDA from high to low while SCL is high (see Figure 6). A
repeated START is sometimes used at the end of a data transfer (instead of a STOP) to indicate that the master
will perform another operation.
STOP Condition: Signal generated by the master to indicate the end of a data transfer on the bus. The master
generates a STOP condition by transitioning SDA from low to high while SCL is high (see Figure 6). After the
STOP is issued, the master releases the bus to its idle state.
Acknowledge (ACK): When a device (either master or slave) is acting as a receiver, it must generate an
acknowledge (ACK) on the SDA line after receiving every byte of data. The receiving device performs an ACK by
pulling the SDA line low for an entire SCL period (see Figure 6). During the ACK clock cycle, the transmitting
device must release SDA. A variation on the ACK signal is the not acknowledge (NACK). When the master device
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS620U/T&R | 制造商:Maxim Integrated Products 功能描述:LOW VOLT THERM USOP T&R - Tape and Reel |
| DS620U/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 |
| DS620U/TR | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Low-Voltage, +-0.5°C Accuracy Digital Thermometer and Thermostat |
| DS620U+ | 功能描述:板上安裝溫度傳感器 Low-Voltage .5+/-C 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 |
| DS620U+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8MSOP |
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