参数资料
| 型号： | AD5273BRJ1-R2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/24页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 1K 64POS SOT23-8 |
| 标准包装： | 1 |
| 接片： | 64 |
| 电阻（欧姆）： | 1k |
| 电路数： | 1 |
| 温度系数： | 标准值 300 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 剪切带 (CT) |
| 配用： | AD5273EVAL-ND - BOARD EVAL FOR AD5273 |
| 其它名称： | AD5273BRJ1-R2CT |
AD5273
Rev. H | Page 18 of 24
4.
When all data bits have been read or written, a stop con-
dition is established by the master. A stop condition is
defined as a low-to-high transition on the SDA line
while SCL is high. In write mode, the master pulls the
SDA line high during the 10th clock pulse to establish a
read mode, the master issues a no acknowledge for the
ninth clock pulse, that is, the SDA line remains high. The
master then brings the SDA line low before the 10th clock
pulse, which goes high to establish a stop condition, as
shown in Figure 44.
A repeated write function gives the user flexibility to
update the RDAC output continuously, except after
permanent programming, when the part is addressed and
receives instructions only once. During the write cycle,
each data byte updates the RDAC output. For example,
after the RDAC has acknowledged its slave address and
instruction bytes, the RDAC output updates after these two
bytes. If another byte is written to the RDAC while it is still
addressed to a specific slave device with the same instruc-
tion, this byte updates the output of the selected slave device.
If different instructions are needed, the write mode must
be started again with a new slave address, instruction, and
data bytes. Similarly, a repeated read function of the RDAC
is also allowed.
CONTROLLING TWO DEVICES ON ONE BUS
Figure 45 shows two AD5273 devices on the same serial bus.
Each has a different slave address because the state of each AD0
pin is different. This allows each device to operate independently.
The master device output bus line drivers are open-drain pull-
down in a fully I2C-compatible interface.
MASTER
SDA SCL
AD0
AD5273
SDA SCL
AD0
AD5273
SDA
SCL
5V
RP
5V
03
22
4-
04
5
Figure 45. Two AD5273 Devices on One Bus
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5273BRJ1-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD5273BRJ50-R2 | 功能描述:IC DGTL POT 50K 64POS SOT23-8 RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:2,500 系列:XDCP™ 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 ±300 ppm/°C 存储器类型:非易失 接口:I²C（设备位址） 电源电压:2.7 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) |
| AD5273BRJ50-REEL7 | 制造商:AD 制造商全称:Analog Devices 功能描述:64-Position OTP Digital Potentiometer |
| AD5273BRJZ100-R2 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD5273BRJZ100-R7 | 功能描述:IC POT DGTL 1K 64POS SOT23 RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,300 系列:WiperLock™ 接片:257 电阻（欧姆）:100k 电路数:1 温度系数:标准值 150 ppm/°C 存储器类型:易失 接口:3 线 SPI（芯片选择） 电源电压:1.8 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VDFN 裸露焊盘 供应商设备封装:8-DFN-EP（3x3） 包装:带卷 (TR) |
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