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参数资料
| 型号： | AD7859ASZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 8CH LP 44-MQFP T/R |
| 标准包装： | 800 |
| 位数： | 12 |
| 采样率（每秒）： | 200k |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 30mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个伪差分，单极；4 个伪差分，双极 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7859BS | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Parallel 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:12-BIT 8 CH.SERIAL 200 KSPS I.C. - Bulk |
| AD7859BSZ | 功能描述:IC ADC 12BIT 8CHAN LP 44-MQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7859L | 制造商:AD 制造商全称: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 |
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