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| 型号： | AD7992BRMZ-0REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/29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 16 of 28
INTERNAL REGISTER STRUCTURE
The AD7992 contains 11 internal registers (see Figure 24) that
are used to store conversion results, high and low conversion
limits, and information to configure and control the device.
There are ten data registers and one address pointer register.
03263-0-005
CONVERSION
RESULT REGISTER
ALERT STATUS
REGISTER
CYCLE TIMER
REGISTER
HYSTERESIS
REGISTER CH1
HYSTERESIS
REGISTER CH2
CONFIGURATION
REGISTER
DATALOW
REGISTER CH1
DATALOW
REGISTER CH2
DATAHIGH
REGISTER CH2
DATAHIGH
REGISTER CH1
ADDRESS
POINTER
REGISTER
SERIAL BUS INTERFACE
SDA
SCL
D
A
T
A
Figure 24. AD7992 Register Structure
Each data register has an address that the address pointer
register points to when communicating with it. The conversion
result register is the only data register that is read-only.
ADDRESS POINTER REGISTER
Because it is the register to which the first data byte of every
write operation is written automatically, the address pointer
register does not have and does not require an address. The
address pointer register is an 8-bit register in which the 4 LSBs
are used as pointer bits to store an address that points to one of
the AD7992’s data registers. The 4 MSBs are used as command
bits when operating in Mode 2 (see the Modes of Operation
section). The first byte following each write address is the
address of one of the data registers, which is stored in the
address pointer register and selects the data register to which
subsequent data bytes are written. Only the 4 LSBs of this
register are used to select a data register. On power-up, the
address pointer register contains all 0s, pointing to the
conversion result register.
Table 7. Address Pointer Register
C4
C3
C2
C1
P3
P2
P1
P0
0
Register select
Table 8. AD7992 Register Addresses
P3
P2
P1
P0
Registers
0
Conversion result register (read)
0
1
Alert status register (read/write)
0
1
0
Configuration register (read/write)
0
1
Cycle Timer register (read/write)
0
1
0
DATALOW register CH1 (read/write)
0
1
0
1
DATAHIGH register CH1 (read/write)
0
1
0
Hysteresis register CH1 (read/write)
0
1
DATALOW register CH2 (read/write)
1
0
DATAHIGH register CH2 (read/write)
1
0
1
Hysteresis register CH2 (read/write)
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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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