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參數(shù)資料
| 型號： | AD7866BRU |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 2CH DUAL 20-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 24mW |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 4 個單端，單極 |
| 配用： | EVAL-AD7866CBZ-ND - BOARD EVALUATION AD7866 |
REV. A
AD7866
–17–
CS
1
16
10
2
THREE-STATE
SCLK
DOUTA
DOUTB
Figure 17. Entering Partial Power-Down Mode
1
16
10
116
INVALID DATA
VALID DATA
CS
SCLK
DOUTA
DOUTB
THE PART BEGINS
TO POWER UP
THE PART MAY BE FULLY
POWERED UP; SEE POWER-UP
TIMES SECTION
A
Figure 18. Exiting Partial Power-Down Mode
116
10
116
INVALID DATA
THREE-STATE
2
10
CS
SCLK
DOUTA
DOUTB
THE PART ENTERS
PARTIAL POWER-DOWN
THE PART BEGINS
TO POWER UP
THE PART ENTERS
FULL POWER-DOWN
Figure 19. Entering Full Power-Down Mode
1
16
10
116
INVALID DATA
VALID DATA
CS
SCLK
DOUTA
DOUTB
THE PART BEGINS
TO POWER UP
THE PART IS
FULLY POWERED UP
tPOWER UP
Figure 20. Exiting Full Power-Down Mode
Then, to place the AD7866 in normal mode, a dummy cycle
(1
s to 4 s approximately) should be initiated. If the first valid
conversion is performed directly after the dummy conversion,
care must be taken to ensure that adequate acquisition time has
been allowed. As mentioned earlier, when powering up from the
power-down mode, the part will return to track upon the first
SCLK edge applied after the falling edge of
CS. However when
the ADC initially powers up after supplies are applied, the
track-and-hold will already be in track. This means that (assuming
one has the facility to monitor the ADC supply current and thus
determine which mode the AD7866 is in) if the ADC powers up
in the desired mode of operation and thus a dummy cycle is not
required to change mode, then neither is a dummy cycle required
to place the track-and-hold into track. If no current monitoring
facility is available, the relevant dummy cycle(s) should be
performed to ensure the part is in the required mode.
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| AD7866BRU-REEL | 制造商:Analog Devices 功能描述:ADC Dual SAR 1Msps 12-bit Serial 20-Pin TSSOP T/R |
| AD7866BRU-REEL7 | 功能描述:IC ADC 12BIT 2CH DUAL 20TSSOP RoHS:否 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 個單端，單極；1 個單端，雙極 |
| AD7866BRUZ | 功能描述:IC ADC 12BIT 2CH DUAL 20-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 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 |
| AD7866BRUZ-REEL | 功能描述:IC ADC 12BIT 2CHAN DUAL 20TSSOP 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 |
| AD7866BRUZ-REEL7 | 功能描述:IC ADC 12BIT 2CHAN DUAL 20TSSOP 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 |
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