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LTC1297DCJ8 PDF预览

LTC1297DCJ8

更新时间： 2024-02-14 01:42:14
品牌 Logo 应用领域
凌特 - Linear 转换器模数转换器
页数 文件大小 规格书
24页 464K
描述
Single Chip 12-Bit Data Acquisition Systems

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LTC1297DCJ8 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-8
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.37Is Samacsys：N
最大模拟输入电压：5.05 V最小模拟输入电压：-0.05 V
最长转换时间：12 µs转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：R-GDIP-T8JESD-609代码：e0
最大线性误差 (EL)：0.0183%模拟输入通道数量：1
位数：12功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：输出位码：BINARY
输出格式：SERIAL封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified采样并保持/跟踪并保持：SAMPLE
座面最大高度：5.08 mm子类别：Analog to Digital Converters
标称供电电压：5 V表面贴装：NO
技术：CMOS温度等级：COMMERCIAL
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
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

LTC1297DCJ8 数据手册

 浏览型号LTC1297DCJ8的Datasheet PDF文件第2页浏览型号LTC1297DCJ8的Datasheet PDF文件第3页浏览型号LTC1297DCJ8的Datasheet PDF文件第4页浏览型号LTC1297DCJ8的Datasheet PDF文件第5页浏览型号LTC1297DCJ8的Datasheet PDF文件第6页浏览型号LTC1297DCJ8的Datasheet PDF文件第7页 
LTC1292/LTC1297  
Single Chip 12-Bit  
Data Acquisition Systems  
U
DESCRIPTIO  
EATURE  
S
F
■
■
■
■
■
The LTC1292/LTC1297 are data acquisition systems that  
contain a 12-bit, switched-capacitor successive approxi-  
mation A/D, a differential input, sample-and-hold on the  
(+)input,andserialI/O.WhentheLTC1297isidlebetween  
conversions it automatically powers down reducing the  
supply current to 5µA, typically. The LTC1292 is capable  
of digitizing signals at a 60kHz rate and with the device’s  
excellent AC characteristics, it can be used for DSP appli-  
cations. All these features are packaged in an 8-pin DIP  
and are made possible using LTCMOSTM switched-capaci-  
tor technology.  
Built-In Sample-and-Hold  
Single Supply 5V Operation  
60kHz Maximum Throughput Rate (LTC1292)  
Power Shutdown After Each Conversion (LTC1297)  
Direct 3-Wire Interface to Most MPU Serial Ports and  
All MPU Parallel Ports  
■
Analog Inputs Common Mode to Supply Rails  
U
KEY SPECIFICATIO S  
■
Resolution: 12 Bits  
■
Fast Conversion Time: 12µs Max Over Temp  
TheserialI/Oisdesignedtocommunicatewithoutexternal  
hardware to most MPU serial ports and all MPU parallel  
I/O ports allowing data to be transmitted over three wires.  
Because of their accuracy, ease of use and small package  
size these devices are well suited for digitizing analog  
signals in remote applications where minimum number of  
interconnects and power consumption are important.  
■
Low Supply Current: 6.0mA  
■
Shutdown Supply Current: 5µA (LTC1297)  
LTCMOS is trademark of Linear Technology Corporation  
U
O
TYPICAL APPLICATI  
Power Supply Current  
vs Sampling Frequency  
12-Bit Differential Input Data Acquisition System  
10000  
V
5V  
DO  
CS  
CC  
1000  
+
22µF  
TANTALUM  
MC68HC11  
SCK  
DIFFERENTIAL  
INPUTS  
COMMON MODE  
RANGE  
+IN  
+
–
CLK  
1N4148  
LTC1297  
100  
–IN  
D
MISO  
OUT  
0V TO 5V  
*
GND  
LT1027  
V
REF  
8V TO 40V  
10  
1
+
4.7µF  
TANTALUM  
1µF  
1
10  
100  
1k  
10k  
100k  
f
(Hz)  
SAMPLE  
LTC1297• TA02  
*FOR OVERVOLTAGE PROTECTION LIMIT THE INPUT CURRENT TO 15mA  
PER PIN OR CLAMP THE INPUTS TO V AND GND WITH 1N4148 DIODES.  
CC  
CONVERSION RESULTS ARE NOT VALID WHEN ANY INPUT IS OVERVOLTAGED  
(V < GND OR V > V ). SEE SECTION ON OVERVOLTAGE PROTECTION IN  
LTC1292/7 TA01  
IN  
IN  
CC  
THE APPLICATIONS INFORMATION.  
1
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