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參數(shù)資料
| 型號(hào)： | AD7791BRM |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 8/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 24BIT BUFFERED LP 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 120 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 230µW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個(gè)差分，單極；1 個(gè)差分，雙極 |
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AD7791
Data Sheet
Rev. A | Page 16 of 20
Single Conversion Mode
In single conversion mode, the AD7791 is placed in shutdown
mode between conversions. When a single conversion is initiat-
ed by setting MD1 to 1 and MD0 to 0 in the mode register, the
AD7791 powers up, performs a single conversion, and then
returns to shutdown mode. A conversion will require a time
period of 2 × tADC. 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.
Continuous Conversion Mode
This is the default power-up mode. The AD7791 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.
04227-0-009
DIN
SCLK
DOUT/RDY
CS
0x38
DATA
Figure 14. Continuous Conversion
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相關(guān)代理商/技術(shù)參數(shù) |
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| AD7791BRM-REEL | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 120sps 24-bit Serial 10-Pin MSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 0.12KSPS 24BIT SERL 10MSOP - Tape and Reel |
| AD7791BRMZ | 功能描述:IC ADC 24BIT BUFFERED LP 10MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(zhuǎn)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(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7791BRMZ | 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7791 MSOP10 |
| AD7791BRMZ-REEL | 功能描述:IC ADC 24BIT SIGMA-DELTA 10MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
| AD7792 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, 16/24-Bit Sigma-Delta ADC with Low-Noise In-Amp and Embedded Reference |
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