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參數(shù)資料
| 型號： | AD7657 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| 中文描述： | 250 kSPS的6通道同步采樣ADC的雙極12/14/16-Bit |
| 文件頁數(shù)： | 23/25頁 |
| 文件大小： | 308K |
| 代理商： | AD7657 |
Preliminary Technical Data
AD7658/AD7657/AD7656
Rev. PrI | Page 23 of 25
Standby/Partial Power Down Modes of Operation
Each ADC pair can be individually placed into partial power
down by bringing the CONVSTX signal low before the falling
edge of BUSY. To power the ADC pair back up again then the
CONVSTX signal should be brought high to tell the ADC pair
to power up and place the track-and-hold into track mode. In
partial power down mode the reference buffers will remain
powered up. While an ADC pair is in partial power down,
conversions can still occur on the other ADCs.
The AD7658/AD7657/AD7656 has a standby mode whereby
the device can be placed into a low current consumption mode
(0.5 μA max). The AD7658/AD7657/AD7656 is placed into
standby mode by bringing the logic input STBY low. The
AD7658/AD7657/AD7656 can be powered up again for normal
operation by bringing STBY logic high. The output data buffers
are still operational when the AD7658/AD7657/AD7656 is in
standby. This means the user can still continue to access the
conversion results when the AD7658/AD7657/AD7656 is in
standby. This standby feature can be used to reduce the average
power consumed by the AD7658/AD7657/AD7656 when
operating at lower throughput rates. The
AD7658/AD7657/AD7656 could be placed into standby at the
end of each conversion when BUSY goes low and taken out of
standby again prior to the next conversion. The time it takes for
the AD7658/AD7657/AD7656 to come out of standby is called
the “wake-up” time. This wake-up time will limit the maximum
throughput rate at which the AD7658/AD7657/AD7656 can
operate when powering down between conversions.
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PDF描述 |
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| AD7657BSTZ | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| AD7657BSTZ-REEL | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| AD7658 | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| AD7658BSTZ | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
| AD7658BSTZ-REEL | 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7657-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC |
| AD7657BSTZ | 功能描述:IC ADC 14BIT 6CH 250KSPS 64-LQFP 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)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7657BSTZ-1 | 功能描述:IC ADC 14BIT 6CH 250KSPS 64LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7657BSTZ-1-RL | 功能描述:IC ADC 14BIT 6CH 250KSPS 64LQFP 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):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端，單極；1 個(gè)單端，雙極 |
| AD7657BSTZ-REEL | 功能描述:IC ADC 14BIT 6CH 250KSPS 64-LQFP 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):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端，單極；1 個(gè)單端，雙極 |
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