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參數(shù)資料
| 型號： | DS7505U+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 197K |
| 描述： | IC DGTL THERMOMETER 2WIRE 8-USOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 功能： | 溫度計，恒溫計 |
| 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） |
| 拓撲： | ADC（三角積分型），比較器，寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 無 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 1.7 V ~ 3.7 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) |
Slave Address: Every slave device on the bus has a
unique 7-bit address that allows the master to access
that device. The DS7505s 7-bit bus address is 1 0 0 1
A
2
A
1
A
0
, where A
2
, A
1
, and A
0
are user-selectable
through the corresponding input pins. The three
address pins allow up to eight DS7505s to be mul-
tidropped on the same bus.
Address Byte: The control byte is transmitted by the
master and consists of the 7-bit slave address plus a
read/write (R/W) bit (see Figure 7). If the master is
going to read data from the slave device then R/W = 1,
and if the master is going to write data to the slave
device then R/W = 0.
Pointer Byte: The pointer byte is used by the master to
tell the DS7505 which register is going to be accessed
during communication. The six MSBs of the pointer
byte (see Figure 8) are always 0 and the two LSBs cor-
respond to the desired register as shown in Figure 8.
Digital Thermometer and Thermostat
10 ______________________________________________________________________________________
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
0
0
1
A
2
A
1
A
0
R/W
Figure 7. Address Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
0
P1
P0
Figure 8. Pointer Byte
START
CONDITION
SDA
SCL
STOP
CONDITION
ACK (OR NACK)
FROM RECEIVER
Figure 6. Start, Stop, and ACK Signals
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