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參數(shù)資料
| 型號： | AD7992BRMZ-1REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 2CHAN I2C 10MSOP |
| 標準包裝： | 3,000 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 79k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 2.2mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 2 個單端，單極 |
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AD7992
Rev. 0 | Page 22 of 28
WRITING TWO BYTES OF DATA TO A LIMIT
REGISTER OR HYSTERESIS REGISTER
Each of the limit registers and hysteresis registers are 12-bit
registers, so two bytes of data are required to write a value to
any one of them. Writing two bytes of data to one of these
registers consists of the serial bus write address, the chosen
limit register address written to the address pointer register,
followed by two data bytes written to the selected data register.
See Figure 27.
If the master is write-addressing the AD7992, it can write to
more than one register with out re-addressing the ADC. After
the first write operation has completed for the first data register,
during the next byte, the master writes to the address pointer
byte to select the next data register for a write operation. This
eliminates the need to re-address the device in order to write to
another data register.
SDA
ACK. BY
AD7992
ACK. BY
AD7992
11
9
C4
C3
C2
P2
P1
P0
R/W
A0
A1
A2
A3
0
SCL
1
C1
P3
1
99
D7
D6
D5
D2
D1/0
D0/0
D4
D3
ACK. BY
AD7992
STOP BY
MASTER
LEAST SIGNIFICANT DATA BYTE
MOST SIGNIFICANT DATA BYTE
SCL (CONTINUED)
SDA (CONTINUED)
FRAME 1
SERIAL BUS ADDRESS BYTE
START BY
MASTER
FRAME 2
ADDRESS POINTER REGISTER
91
0
00
D10
D9
D8
0
D11
ACK. BY
AD7992
03263-0-008
Figure 27. Two-Byte Write Sequence
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| AD7993BRU-0 | 功能描述:IC ADC 10BIT 4CH W/I2C 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
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