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参数资料
| 型号： | LTC1091CN8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/32页 |
| 文件大小： | 0K |
| 描述： | IC DATA ACQ SYS 10BIT 2CH 8-DIP |
| 标准包装： | 50 |
| 类型： | 数据采集系统（DAS），ADC |
| 分辨率（位）： | 10 b |
| 数据接口： | 串行 |
| 电压电源： | 双 ± |
| 电源电压： | ±5V，4.5V，10V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 1345 (CN2011-ZH PDF) |
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22
LTC1091/LTC1092
LTC1093/LTC1094
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Figure 8. “+” and “–” Input Settling Windows
“–” Input Settling
At the end of the sample phase the input capacitor switches
to the “–” input and the conversion starts (see Figure 8).
During the conversion, the “+” input voltage is effectively
“held” by the sample-and-hold and will not affect the
conversion result. However, it is critical that the “–” input
voltage settle completely during the first CLK cycle of the
conversion time and be free of noise. Minimizing RSOURCE–
and C2 will improve settling time. If large “–” input source
resistance must be used, the time allowed for settling can
be extended by using a slower CLK frequency. At the
maximum CLK rate of 500kHz, RSOURCE– < 1k and
C2 < 20pF will provide adequate settling.
Input Op Amps
When driving the analog inputs with an op amp it is
important that the op amp settle within the allowed time
(see Figure 8). Again, the “+” and “–” input sampling times
can be extended as previously described to accommodate
slower op amps. Most op amps, including the LT1006 and
LT1013 single supply op amps, can be made to settle well
even with the minimum settling windows of 3
s (“+”
input) and 2
s (“–” input) which occur at the maximum
clock rate of 500kHz. Figures 9 and 10 show examples of
adequate and poor op amp settling.
CLK
DIN
DOUT
“+” INPUT
“–” INPUT
SAMPLE
HOLD
“+” INPUT MUST
SETTLE DURING
THIS TIME
tSMPL
tCONV
CS
SGL/DIFF
START
MSBF
B9
1ST BIT TEST “–” INPUT MUST
SETTLE DURING THIS TIME
1091-4 F08
DON‘T CARE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1091MJ8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System |
| LTC1092 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
| LTC1092AC | 制造商:LINER 制造商全称:Linear Technology 功能描述:1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems |
| LTC1092ACJ8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 10-Bit |
| LTC1092ACN8 | 功能描述:IC DAS SERIAL I/O 1CH 10BIT 8DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
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