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參數資料
| 型號： | AD7790BRM-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Low Power, 16-Bit Buffered Sigma-Delta ADC |
| 中文描述： | 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10 |
| 封裝： | MSOP-10 |
| 文件頁數： | 15/20頁 |
| 文件大小： | 299K |
| 代理商： | AD7790BRM-REEL |
AD7790
Single Conversion Mode
In single conversion mode, the AD7790 is placed in shutdown
mode between conversions. When a single conversion is initi-
ated by setting MD1 to 1 and MD0 to 0 in the mode register, the
AD7790 powers up, performs a single conversion, and then
returns to shutdown mode. A conversion will require a time
period of 2 × t
ADC
. DOUT/RDY goes low to indicate the com-
pletion of a conversion. When the data-word has been read
from the data register, DOUT/RDY will go high. If CS is low,
DOUT/RDY will remain high until another conversion is initi-
ated and completed. The data register can be read several times,
if required, even when DOUT/ RDY has gone high.
Rev. 0 | Page 15 of 20
Continuous Conversion Mode
This is the default power-up mode. The AD7790 will continu-
ously convert, the RDY pin in the status register going low each
time a conversion is complete. If CS is low, the DOUT/RDY line
will also go low when a conversion is complete. To read a con-
version, the user can write to the communications register,
indicating that the next operation is a read of the data register.
The digital conversion will be placed on the DOUT/RDY pin as
soon as SCLK pulses are applied to the ADC. DOUT/RDY will
return high when the conversion is read. The user can read this
register additional times, if required. However, the user must
ensure that the data register is not being accessed at the comple-
tion of the next conversion or else the new conversion word will
be lost.
03538-0-010
DIN
0x10
0x82
0x10
0x82
DATA
DATA
SCLK
DOUT/RDY
CS
Figure 8. Single Conversion
03538-0-012
DIN
SCLK
DOUT/RDY
CS
0x38
0x38
DATA
DATA
Figure 9. Continuous Conversion
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相關代理商/技術參數 |
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| AD7790BRMZ | 功能描述:IC ADC 16BIT SIGMA-DELTA 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 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 |
| AD7790BRMZ | 制造商:Analog Devices 功能描述:IC 24-BIT ADC |
| AD7790BRMZ-REEL | 功能描述:IC ADC 16BIT SIGMA-DELTA 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目: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 |
| AD7791 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Buffered 24-Bit Sigma-Delta ADC |
| AD7791BRM | 功能描述:IC ADC 24BIT BUFFERED LP 10MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 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) 輸入數目和類型:2 個單端，單極 |
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