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參數(shù)資料
| 型號： | AD7790BRMZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT SIGMA-DELTA 10-MSOP |
| 標準包裝： | 50 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 120 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(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） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 779 (CN2011-ZH PDF) |
Data Sheet
AD7790
Rev. A | Page 15 of 20
Single Conversion Mode
In single conversion mode, the AD7790 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
AD7790 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 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.
03538-0-011
DIN
SCLK
DOUT/RDY
CS
0x10
0x38
0x82
DATA
Figure 8. Single Conversion
03538-0-012
DIN
SCLK
DOUT/RDY
CS
0x38
DATA
Figure 9. Continuous Conversion
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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(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 |
| 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(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| 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 |
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