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| 型号： | AD7992BRMZ-0REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 15/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 2CHAN I2C 10MSOP |
| 标准包装： | 3,000 |
| 位数： | 12 |
| 采样率（每秒）： | 79k |
| 数据接口： | I²C，串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 2.2mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极 |
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AD7992
Rev. 0 | Page 21 of 28
WRITING TO THE AD7992
Depending on the register being written to, there are three
different writes for the AD7992.
WRITING TO THE ADDRESS POINTER REGISTER
FOR A SUBSEQUENT READ
In order to read from a particular register, the address pointer
register must first contain the address of that register. If it does
not, the correct address must be written to the address pointer
register by performing a single-byte write operation, as shown
in Figure 25. The write operation consists of the serial bus
address followed by the address pointer byte. No data is
written to any of the data registers. A read operation can be
subsequently performed to read the register of interest.
WRITING A SINGLE BYTE OF DATA TO THE ALERT
STATUS REGISTER, CYCLE REGISTER, OR
CONFIGURATION REGISTER
The alert status register, cycle register, and configuration
register are all 8-bit registers, so only one byte of data can be
written to each. Writing a single byte of data to one of these
registers consists of the serial bus write address, the chosen
data register address written to the address pointer register,
followed by the data byte written to the selected data register.
See Figure 26.
SDA
START BY
MASTER
ACK. BY
AD7992
ACK. BY
AD7992
STOP BY
MASTER
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
ADDRESS POINTER REGISTER BYTE
19
1
9
C4
C3
C2
P2
P1
P0
A0
A1
A2
A3
0
SCL
1
C1
P3
03263-0-006
R/W
Figure 25. Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation
SDA
ACK. BY
AD7992
11
9
C4
C3
C2
P2
P1
P0
R/W
A0
A1
A2
A3
0
SCL
1
C1
P3
91
9
D7
D6
D5
D2
D1
D0
D4
D3
FRAME 3
DATA BYTE
SCL (CONTINUED)
SDA (CONTINUED)
03263-0-007
START BY
MASTER
ACK. BY
AD7992
ACK. BY
AD7992
STOP BY
MASTER
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
ADDRESS POINTER REGISTER BYTE
Figure 26. Single-Byte Write Sequence
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7992BRMZ-1 | 功能描述:IC ADC 12BIT 2CHAN I2C 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| AD7992BRMZ-1-R2 | 制造商:Analog Devices 功能描述: |
| AD7992BRMZ-1REEL | 功能描述:IC ADC 12BIT 2CHAN I2C 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7993 | 制造商:AD 制造商全称:Analog Devices 功能描述:4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
| AD7993-0 | 制造商:AD 制造商全称:Analog Devices 功能描述:4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP |
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