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LTC1290DIJ#TR

更新时间： 2024-11-13 18:14:55
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
32页 618K
描述
IC 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20, 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-20, Analog to Digital Converter

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LTC1290DIJ#TR 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：DIP包装说明：0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-20
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.62最大模拟输入电压：5.05 V
最小模拟输入电压：-5.05 V最长转换时间：13 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-GDIP-T20
JESD-609代码：e0最大线性误差 (EL)：0.0183%
标称负供电电压：-5 V模拟输入通道数量：8
位数：12功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出位码：2'S COMPLEMENT BINARY
输出格式：SERIAL封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE认证状态：Not Qualified
采样速率：0.05 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：5.08 mm标称供电电压：5 V
表面贴装：NO技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL宽度：7.62 mm
Base Number Matches：1

LTC1290DIJ#TR 数据手册

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LTC1290  
Single Chip 12-Bit Data  
Acquisition System  
U
FEATURES  
DESCRIPTIO  
The LTC®1290 is a data acquisition component which  
contains a serial I/O successive approximation A/D con-  
verter. It uses LTCMOSTM switched capacitor technology  
toperformeither12-bitunipolaror11-bitplussignbipolar  
A/D conversions. The 8-channel input multiplexer can be  
configuredforeithersingle-endedordifferentialinputs(or  
combinations thereof). An on-chip sample-and-hold is  
included for all single-ended input channels. When the  
LTC1290 is idle it can be powered down with a serial word  
in applications where low power consumption is desired.  
■
Software Programmable Features  
– Unipolar/Bipolar Conversion  
– Four Differential/Eight Single-Ended Inputs  
– MSB- or LSB-First Data Sequence  
– Variable Data Word Length  
– Power Shutdown  
■
Built-In Sample-and-Hold  
■
Single Supply 5V or ±5V Operation  
Direct Four-Wire Interface to Most MPU Serial Ports  
and All MPU Parallel Ports  
50kHz Maximum Throughput Rate  
■
■
The serial I/O is designed to be compatible with industry  
standardfullduplexserialinterfaces. ItallowseitherMSB-  
or LSB-first data and automatically provides 2's comple-  
ment output coding in the bipolar mode. The output data  
word can be programmed for a length of 8, 12 or 16 bits.  
This allows easy interface to shift registers and a variety of  
processors.  
■
Available in 20-Lead PDIP Uand SO Wide Packages  
KEY SPECIFICATIO S  
■
Resolution: 12 Bits  
■
Fast Conversion Time: 13µs Max Over Temp  
■
Low Supply Current: 6.0mA  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
LTCMOS is a trademark of Linear Technology Corporation. All other trademarks  
are the property of their respective owners. Protected by U.S. Patents, including 5287525.  
U
TYPICAL APPLICATIO  
12-Bit 8-Channel Sampling Data Acquisition System  
SINGLE-ENDED INPUT  
0V TO 5V OR ±5V  
1k  
5V  
CH0  
CH1  
CH2  
CH3  
CH4  
CH5  
CH6  
CH7  
COM  
DGND  
V
CC  
+
•
•
•
±15V OVERVOLTAGE RANGE*  
22µF  
1N5817  
TANTALUM  
ACLK  
SCLK  
TO AND FROM  
MICROPROCESSOR  
D
IN  
1N4148  
DIFFERENTIAL INPUT (+)  
D
OUT  
LTC1290  
±5V COMMON MODE RANGE (–)  
CS  
+
LT®1027  
8V TO 40V  
•
•
•
REF  
REF  
V
+
–
–
4.7µF  
TANTALUM  
1µF  
–5V  
AGND  
1N5817  
0.1µF  
1290 • TA01  
* FOR OVERVOLTAGE PROTECTION ON ONLY ONE CHANNEL LIMIT THE INPUT CURRENT TO 15mA. FOR OVERVOLTAGE PROTECTION  
ON MORE THAN ONE CHANNEL LIMIT THE INPUT CURRENT TO 7mA PER CHANNEL AND 28mA FOR ALL CHANNELS. (SEE SECTION ON  
OVERVOLTAGE PROTECTION IN THE APPLICATIONS INFORMATION SECTION.) CONVERSION RESULTS ARE NOT VALID WHEN THE SELECTED  
–
OR ANY OTHER CHANNEL IS OVERVOLTAGED (V < V OR V > V ).  
IN  
IN  
CC  
1290fe  
1
1234567...32

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