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參數(shù)資料
| 型號： | AD7995YRJZ-0RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 15/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 4CH I2C SOT23-8 |
| 產品變化通告： | AD7991,5,9 Offset Error Change 17/Sept/2010 |
| 設計資源： | Using AD8599 as an Ultralow Distortion Driver for the AD7995 (CN0044) |
| 標準包裝： | 10,000 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉換器數(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 |
| 供應商設備封裝： | 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-AD7995EBZ-ND - BOARD EVAL FOR AD7995 |
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AD7991/AD7995/AD7999
Rev. B | Page 22 of 28
SERIAL INTERFACE
Control of the AD7991/AD7995/AD7999 is accomplished via
the I2C-compatible serial bus. The AD7991/AD7995/AD7999 is
connected to this bus as a slave device under the control of a
master device, such as the processor.
SERIAL BUS ADDRESS
Like all I2C-compatible devices, the AD7991/AD7995/AD7999 has
a 7-bit serial address. The devices are available in two versions, the
AD7991-0/AD7995-0 and the AD7991-1/AD7995-1/AD7999-1.
Each version has a different address (see Table 8), which allows up
to two AD7991/AD7995 devices to be connected to a single
serial bus. AD7999 has only one version.
The serial bus protocol operates as follows:
1.
The master initiates a data transfer by establishing a start
condition, defined as a high-to-low transition on the serial
data line SDA while the serial clock line, SCL, remains high.
This indicates that an address/data stream follows.
2.
All slave peripherals connected to the serial bus respond to
the start condition and shift in the next eight bits, consisting of
a 7-bit address (MSB first) plus an R/W bit that determines
the direction of the data transfer—that is, whether data is
written to or read from the slave device.
3.
The peripheral whose address corresponds to the transmitted
address responds by pulling the data line low during the
low period before the ninth clock pulse, known as the
acknowledge bit. All other devices on the bus remain idle
while the selected device waits for data to be read from or
written to it. If the R/W bit is set to 0, the master writes to
the slave device. If the R/W bit is set to 1, the master reads
from the slave device.
4.
Data is sent over the serial bus in sequences of nine clock
pulses—eight bits of data followed by an acknowledge bit
from the receiver of data. Transitions on the data line must
occur during the low period of the clock signal and remain
stable during the high period because a low-to-high transition
when the clock is high may be interpreted as a stop signal.
5.
When all data bytes have been read or written, stop conditions
are established. In write mode, the master pulls the data line
high during the 10th clock pulse to assert a stop condition.
In read mode, the master device pulls the data line high
during the low period before the ninth clock pulse. This is
known as a no acknowledge. The master takes the data line
low during the low period before the 10th clock pulse, and
then high during the 10th clock pulse to assert a stop condition.
6.
Any number of bytes of data can be transferred over the serial
bus in one operation, but it is not possible to mix reads and
writes in one operation because the type of operation is
determined at the beginning and cannot subsequently be
changed without starting a new operation.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7995YRJZ-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 12-/10-/8-Bit ADC with I2CCompatible Interface in 8-Lead SOT23 |
| AD7995YRJZ-1500RL7 | 功能描述:IC ADC 10BIT 4CH SAR I2C SOT23-8 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7995YRJZ-1RL | 功能描述:IC ADC 10BIT 4CH I2C SOT23-8 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7995YRMZ-0 | 功能描述:10 Bit Analog to Digital Converter 3, 4 Input 1 SAR 8-MSOP 制造商:analog devices inc. 系列:- 包裝:散裝 零件狀態(tài):上次購買時間 位數(shù):10 采樣率（每秒）:140k 輸入數(shù):3，4 輸入類型:單端 數(shù)據(jù)接口:I2C 配置:MUX-S/H-ADC 無線電 - S/H:ADC:1:1 A/D 轉換器數(shù):1 架構:SAR 參考類型:外部 電壓 - 電源，模擬:2.7 V ~ 5.5 V 電壓 - 電源，數(shù)字:2.7 V ~ 5.5 V 特性:- 工作溫度:-40°C ~ 125°C 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商器件封裝:8-MSOP 標準包裝:1 |
| AD7997 | 制造商:AD 制造商全稱:Analog Devices 功能描述:8-Channel, 10- and 12-Bit ADCs with I2CCompatible |
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