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参数资料
| 型号： | DS75U |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/14页 |
| 文件大小： | 183K |
| 描述： | IC WATCHDOG THERM 2-W 3/5V 8MSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC（三角积分型），比较器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
DS75
11 of 14
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 is acting as a receiver, it uses a NACK instead of an ACK after the last
data byte to indicate that it is finished receiving data. The master indicates a NACK by leaving the SDA
line high during the ACK clock cycle.
Slave Address: Every slave device on the bus has a unique 7-bit address that allows the master to access
that device. The DS75s 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 via
the corresponding input pins. The three address pins allow up to eight DS75s to be multi-dropped 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?/SPAN>?/SPAN>) bit (see Figure 7). If the master is going to read data from the slave device then R/W?/SPAN>?/SPAN> =
1, and if the master is going to write data to the slave device then R/W?/SPAN>?/SPAN> = 0.
Pointer Byte: The pointer byte is used by the master to tell the DS75 which register is going to be
accessed during communication. The six LSbs of the pointer byte (see Figure 8) are always 0 and the two
LSbs correspond to the desired register as shown in Table 7.
Figure 6. START, STOP, AND ACK SIGNALS
Figure 7. ADDRESS BYTE
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?/SPAN>?/SPAN>
Figure 8. POINTER BYTE
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
SCL
SDA
START
Condition
STOP
Condition
ACK (or NACK)
From Receiver
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS75U/T&R | 制造商:Maxim Integrated Products 功能描述:2 WIRE THERMAL WATCHDOG MSOP T&R - Tape and Reel |
| DS75U/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS75U+ | 功能描述:板上安装温度传感器 Digital RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS75U+ | 制造商:Maxim Integrated Products 功能描述:IC TEMP SENSOR 12BIT ?2 AX-8 |
| DS75U+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8PIN UMAX - Cut TR (SOS) 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8PIN UMAX - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim Integrated DS75U+T&R Temperature Sensors 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-MSOP |
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