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參數(shù)資料
| 型號： | AD7859BSZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 2/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 8CHAN LP 44-MQFP |
| 標準包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 200k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉換器數(shù)目： | 2 |
| 功率耗散（最大）： | 30mW |
| 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： | 44-QFP |
| 供應商設備封裝： | 44-MQFP（10x10） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 8 個單端，單極；8 個單端，雙極；4 個偽差分，單極；4 個偽差分，雙極 |
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AD7859/AD7859L
REV. A
–10–
Table IV. Calibration Selection
CALMD
CALSLT1
CALSLT0
Calibration Type
00
0
A full internal calibration is initiated. First the internal DAC is calibrated, then the
internal gain error and finally the internal offset error are removed. This is the default setting.
0
1
First the internal gain error is removed, then the internal offset error is removed.
0
1
0
The internal offset error only is calibrated out.
0
1
The internal gain error only is calibrated out.
10
0
A full system calibration is initiated. First the internal DAC is calibrated, followed by the
system gain error calibration, and finally the system offset error calibration.
1
0
1
First the system gain error is calibrated out, followed by the system offset error.
1
0
The system offset error only is removed.
1
The system gain error only is removed.
Table IIIa. Channel Selection for AD7859/AD7859L
Differential Sampling (SGL/DIFF = 0)
AMODE
CHSLT
AIN(+)*AIN(–)*
Bipolar or
2
1
0
Unipolar
0
AIN1
AIN2
Unipolar
0
1
AIN3
AIN4
Unipolar
0
1
0
AIN5
AIN6
Unipolar
0
1
AIN7
AIN8
Unipolar
0
1
x
Not Used
1
0
AIN1
AIN2
Bipolar
1
0
1
AIN3
AIN4
Bipolar
1
0
1
0
AIN5
AIN6
Bipolar
1
0
1
AIN7
AIN8
Bipolar
1
x
Not Used
*AIN(+) refers to the positive input seen by the AD7859/AD7859L sample-and-
hold circuitry.
AIN(–) refers to the negative input seen by the AD7859/AD7859L sample-and-
hold circuitry.
Table IIIb. Channel Selection for AD7859/AD7859L
Single-Ended Sampling (SGL/DIFF = 1)
AMODE
CHSLT
AIN(+)*AIN(–)*
Bipolar or
2
1
0
Unipolar
0
AIN1
AGND
Unipolar
0
1
AIN3
AGND
Unipolar
0
1
0
AIN5
AGND
Unipolar
0
1
AIN7
AGND
Unipolar
0
1
0
AIN2
AGND
Unipolar
0
1
0
1
AIN4
AGND
Unipolar
0
1
0
AIN6
AGND
Unipolar
0
1
AIN8
AGND
Unipolar
1
0
AIN1
AIN8
Unipolar
1
0
1
AIN3
AIN8
Unipolar
1
0
1
0
AIN5
AIN8
Unipolar
1
0
1
AIN7
AIN8
Unipolar
1
0
AIN2
AIN8
Unipolar
1
0
1
AIN4
AIN8
Unipolar
1
0
AIN6
AIN8
Unipolar
1
AIN8
Unipolar
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7859L | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADCs |
| AD7859LAS | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:12-BIT 8 CH.PARALLEL 100 KSPS I.C. - Bulk 制造商:Analog Devices 功能描述:IC 12-BIT ADC |
| AD7859LAS3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V to 5 V Single Supply, 200 kSPS8-Channel, 12-Bit Sampling ADCs |
| AD7859LAS-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 12-bit Parallel 44-Pin MQFP T/R |
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