I2C WRITE OPERATION There" />
參數(shù)資料
型號： EVAL-AD5390EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 21/44頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD5390
產(chǎn)品培訓(xùn)模塊： DAC Architectures
標(biāo)準(zhǔn)包裝： 1
DAC 的數(shù)量： 16
位數(shù)： 14
采樣率（每秒）： 125k
數(shù)據(jù)接口： 串行
設(shè)置時間： 8µs
DAC 型： 電壓
工作溫度： -40°C ~ 85°C
已供物品： 板，CD
已用 IC / 零件： AD5390
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AD5390BCPZ-3-ND - IC DAC 14BIT I2C 16CH 3V 64LFCSP
AD5390/AD5391/AD5392
Data Sheet
Rev. E | Page 28 of 44
I2C WRITE OPERATION
There are three specific modes in which data can be written to
the AD539x family of DACs.
4-BYTE MODE
When writing to the AD539x DACs, begin with an address byte
(R/W = 0), after which the DAC acknowledges that it is prepared
to receive data by pulling SDA low. The address byte is followed
by the pointer byte. This addresses the specific channel in the
DAC to be addressed and is also acknowledged by the DAC.
Address Bits A3 to A0 address all channels on the AD5390/
AD5391. Address Bits A2 to A0 address all channels on the
AD5392. Address Bit A3 is a zero on the AD5392. Two bytes
of data are then written to the DAC, as shown in Figure 33.
A STOP condition follows. This lets the user update a single
channel within the AD539x at any time and requires four bytes
of data to be transferred from the master.
REG0
DB13
DB12
DB11
DB10
DB8
DB9
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
REG1
1
0
A3
A2
A1
A0
1
AD1
AD0
R/W
SCL
SDA
SCL
SDA
START
CONDITION
BY
MASTER
ACK
BY
CONVERTER
ACK
BY
CONVERTER
ADDRESS BYTE
POINTER BYTE
MSB
ACK
BY
CONVERTER
ACK
BY
CONVERTER
STOP
CONDITION
BY
MASTER
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
A/B
03773-
023
Figure 33. AD5390/AD5392 4-Byte Mode I2C Write Operation
REG0
DB11
DB10
DB9
DB8
DB6
DB7
DB5
DB4
DB3
DB2
DB1
DB0
0
REG1
1
0
A3
A2
A1
A0
1
AD1
AD0
R/W
SCL
SDA
SCL
SDA
START
CONDITION
BY
MASTER
ACK
BY
CONVERTER
ACK
BY
CONVERTER
ADDRESS BYTE
POINTER BYTE
MSB
ACK
BY
CONVERTER
ACK
BY
CONVERTER
STOP
CONDITION
BY
MASTER
MOST SIGNIFICANT DATA BYTE
LEAST SIGNIFICANT DATA BYTE
A/B
03773-
021
Figure 34. AD5391 4-Byte Mode I2C Write Operation
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EVAL-AD5391EB 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk 制造商:Rochester Electronics LLC 功能描述:
EVAL-AD5391EBZ 功能描述:BOARD EVALUATION FOR AD5391 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581
EVAL-AD5392EB 制造商:Analog Devices 功能描述:EVAL BD FOR 8-/16CH, 3V/5 V, SERL INPUT, SGL-SUPPLY,12-/14BI - Bulk
EVAL-AD5392EBZ 功能描述:BOARD EVAL FOR AD5392 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581
EVAL-AD5398AEBZ 制造商:AD 制造商全稱:Analog Devices 功能描述:120 mA, Current Sinking, 10-Bit, I2C DAC
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