參數(shù)資料
型號: AD7991YRJZ-1RL
廠商: Analog Devices Inc
文件頁數(shù): 16/28頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 4CH I2C SOT23-8
產(chǎn)品變化通告: AD7991,5,9 Offset Error Change 17/Sept/2010
設(shè)計資源: Using AD8599 as an Ultralow Distortion Driver for the AD7991 (CN0043)
標(biāo)準(zhǔn)包裝: 10,000
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 4.68mW
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: SOT-23-8
供應(yīng)商設(shè)備封裝: SOT-23-8
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個單端,單極
配用: EVAL-AD7991EBZ-ND - BOARD EVAL FOR AD7991
AD7991/AD7995/AD7999
Rev. B | Page 23 of 28
WRITING TO THE AD7991/AD7995/AD7999
By default, each part operates in read-only mode and all four chan-
nels are selected as enabled in the configuration register. To write
to the AD7991/AD7995/AD7999 configuration register, the user
must first address the device.
The configuration register is an 8-bit register; therefore, only
one byte of data can be written to this register. However, writing
a single byte of data to this register consists of writing the serial
bus write address, followed by the data byte written (see Figure 24).
SCL
SDA
START BY
MASTER
ACK BY
ADC
R/W
FRAME 1
SERIAL BUS ADDRESS BYTE
CONFIGURATION REGISTER BYTE
ACK BY
ADC
STOP
1
0
A0
D7
D6
D5
D4
D3
D2
D1
D0
11
99
1
06
46
1-
02
6
Figure 24. Writing to the AD7991/AD7995/AD7999 Configuration Register
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