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| 型號： | AD7707BRU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 3 V/5 V, +-10 V Input Range, 1 mW 3-Channel 16-Bit, Sigma-Delta ADC |
| 中文描述： | 3-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | LOW PROFILE, TSSOP-20 |
| 文件頁數(shù)： | 18/40頁 |
| 文件大?。?/td> | 316K |
| 代理商： | AD7707BRU |
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REV. A
AD7707
–18–
CALIBRATION SEQUENCES
The AD7707 contains a number of calibration options as previously outlined. Table XV summarizes the calibration types, the opera-
tions involved and the duration of the operations. There are two methods of determining the end of calibration. The first is to moni-
tor when
DRDY
returns low at the end of the sequence.
DRDY
not only indicates when the sequence is complete, but also that the
part has a valid new sample in its data register. This valid new sample is the result of a normal conversion which follows the calibra-
tion sequence. The second method of determining when calibration is complete is to monitor the MD1 and MD0 bits of the Setup
Register. When these bits return to 0 (0 following a calibration command), it indicates that the calibration sequence is complete.
This method does not give any indication of there being a valid new result in the data register. However, it gives an earlier indication
than
DRDY
that calibration is complete. The duration to when the Mode Bits (MD1 and MD0) return to 0 00 represents the dura-
tion of the calibration carried out). The sequence to when
DRDY
goes low also includes a normal conversion and a pipeline delay,
t
P
, to correctly scale the results of this first conversion. t
P
will never exceed 2000
×
t
CLKIN
. The time for both methods is given in the
table.
Table XV. Calibration Sequences
Calibration Type
MD1, MD0
Calibration Sequence
Duration to Mode Bits
Duration to
9
×
1/Output Rate + t
P
DRDY
Self-Calibration
0, 1
Internal ZS Cal @ Selected Gain +
Internal FS Cal @ Selected Gain
ZS Cal on AIN @ Selected Gain
FS Cal on AIN @ Selected Gain
6
×
1/Output Rate
ZS System Calibration
FS System Calibration
1, 0
1, 1
3
×
1/Output Rate
3
×
1/Output Rate
4
×
1/Output Rate + t
P
4
×
1/Output Rate + t
P
相關PDF資料 |
PDF描述 |
|---|---|
| AD7707 | ECONOLINE: REC2.2-S_DR/H1 - 2.2W DIP Package- 1kVDC Isolation- Regulated Output- UL94V-0 Package Material- Continuous Short Circiut Protection- Internal SMD design- 100% Burned In- Efficiency to 75% |
| AD7707EB | 3 V/5 V 610 V Input Range 1 mW 3-Channel 16-Bit Sigma-Delta ADC(316.51 k) |
| AD7708BR | Shaft; Style: 2 - light; Applicable Model: LE-P / LEL-W |
| AD7708BRU | 8-/10-Channel, Low Voltage, Low Power, ADCs |
| AD7708 | 8-/10-Channel, Low Voltage, Low Power, ADCs |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7707BRU-REEL | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 500sps 16-bit Serial 20-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 0.5KSPS 16BIT SERL 20TSSOP - Tape and Reel |
| AD7707BRU-REEL7 | 功能描述:IC ADC 16BIT 3CH 20-TSSOP T/R 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(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 |
| AD7707BRUZ | 功能描述:IC ADC 16BIT 3CH 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:- 其它有關文件:TSA1204 View All Specifications 標準包裝: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 供應商設備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7707BRUZ-REEL | 功能描述:IC ADC 16BIT 3CH 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(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 |
| AD7707BRUZ-REEL7 | 功能描述:IC ADC 16BIT 3CHAN 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(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 |
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