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參數(shù)資料
| 型號： | AD7322BRU |
| 廠商： | Atmel Corp. |
| 英文描述： | Software Selectable True Bipolar Input, 2-Channel, 12-Bit Plus Sign ADC |
| 中文描述： | 軟件可選真雙極性輸入，2通道，12位ADC的加號 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大小： | 901K |
| 代理商： | AD7322BRU |
AD7322
Preliminary Technical Data
REFERENCE
The AD7322 can operate with either the internal 2.5V on-chip
reference or an externally applied reference. The internal
reference is selected by setting the REF bit in the Control
Register to 1. On power up the REF bit will be 0, selecting the
external Reference for the AD7322 conversion. For external
reference operation the REFIN/REFOUT pin should be decoupled
to AGND with a 470 nF capacitor.
The internal Reference circuitry consists of a 2.5V band gap
reference and a reference buffer. When operating the AD7322 in
internal Reference mode the 2.5V internal reference is available
at the REFIN/REFOUT pin. When using the AD7322 with the
internal reference the REFIN/REFOUT pin should be
decoupled to AGND using a 0.47 F cap. It is recommended
that the Internal Reference be buffered before applying it else
where in the system.
The AD7322 is specified for a 2.5V to 3V reference range. When
a 3V reference is selected the ranges will be, ±12V, ±6V, ±3V
and 0 to 12V. For these ranges the VDD and VSS supply must be
equal to or greater than the max Analog Input Range selected.
On power up if the internal reference operation is required for
the ADC conversion, a write to the control register is necessary
to set the REF bit to 1. During the Control Register write the
conversion result from the first initial conversion will be invalid.
The reference buffer will require TBD us to power up and
charge the 0.47 F decoupling cap, during the power up time
the conversion result from the ADC will be invalid.
Rev. PrE | Page 15 of 18
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7322BRUZ | 功能描述:IC ADC 12BIT+ SAR 2CHAN 14TSSOP 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 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7322BRUZ-REEL | 功能描述:IC ADC 12BIT+SAR 2CHAN 14-TSSOP 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 個單端，單極 |
| AD7322BRUZ-REEL7 | 功能描述:IC ADC 12BIT+ SAR 2CHAN 14TSSOP 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 個單端，單極 |
| AD7322LYRU | 制造商:Analog Devices 功能描述: |
| AD7323 | 制造商:AD 制造商全稱:Analog Devices 功能描述:500 kSPS, 4-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC |
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