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LTC1291BCN8#PBF PDF预览

LTC1291BCN8#PBF

更新时间： 2024-11-13 13:09:43
品牌 Logo 应用领域
凌特 - Linear 转换器光电二极管
页数 文件大小 规格书
20页 376K
描述
LTC1291 - Single Chip 12-Bit Data Acquisition System; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1291BCN8#PBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：8Is 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-PDIP-T8JESD-609代码：e3
最大线性误差 (EL)：0.0122%湿度敏感等级：1
模拟输入通道数量：2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：PLASTIC/EPOXY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：3.937 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：Matte Tin (Sn)
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 mmBase Number Matches：1

LTC1291BCN8#PBF 数据手册

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LTC1291  
Single Chip 12-Bit  
Data Acquisition System  
U
DESCRIPTIO  
EATURE  
S
F
■
■
■
■
Built-In Sample-and-Hold  
The LTC1291 is a data acquisition system that contains a  
serial I/O successive approximation A/D converter. It uses  
LTCMOSTM switched capacitor technology to perform a  
12-bit unipolar A/D conversion. The input multiplexer can  
be configured for either single-ended or differential in-  
puts. An on-chip sample-and-hold is included on the “+”  
input. When the LTC1291 is idle, it can be powered down  
in applications where low power consumption is desired.  
AnexternalreferenceisnotrequiredbecausetheLTC1291  
takes its reference from the power supply (VCC). All these  
features are packaged in an 8-pin DIP.  
Single Supply 5V Operation  
Power Shutdown  
Direct 3- or 4-Wire Interface to Most MPU Serial  
Ports and All MPU Parallel Ports  
Two-Channel Analog Multiplexer  
Analog Inputs Common Mode to Supply Rails  
8-Pin DIP Package  
■
■
■
U
KEY SPECIFICATIO S  
■
TheserialI/Oisdesignedtocommunicatewithoutexternal  
hardware to most MPU serial ports and all MPU parallel  
I/O ports allowing data to be transmitted over three or four  
wires. Given the accuracy, ease of use and small package  
size, this device is well suited for digitizing analog signals  
in remote applications where minimum number of inter-  
connects, small physical size, and low power consump-  
tion are important.  
Resolution: 12 Bits  
■
Fast Conversion Time: 12µs Max Over Temp.  
■
Low Supply Current:  
6.0mA (Typ) Active Mode  
10µA (Max) Shutdown Mode  
LTCMOSTM is a trademark of Linear Technology Corporation  
U
O
TYPICAL APPLICATI  
2-Channel 12-Bit Data Acquisition System  
Channel-to-Channel  
INL Matching  
22µF  
+5V  
TANTALUM  
0.5  
0.4  
0.3  
0.2  
V
(V  
CC REF  
)
DO  
CS  
0.1  
0.1µF  
0
CH0  
CLK  
SCK  
2-CHANNEL  
MUX*  
MC68HC11  
–0.1  
–0.2  
–0.3  
–0.4  
–0.5  
LTC1291  
CH1  
GND  
D
MISO  
MOSI  
OUT  
D
IN  
1291 TA01  
512 1024 1536  
2048  
2560 4096  
3072 3584  
0
CODE  
*FOR OVERVOLTAGE PROTECTION LIMIT THE INPUT CURRENT TO 15mA  
PER PIN OR CLAMP THE INPUTS TO V AND GND WITH 1N4148 DIODES.  
CC  
1291 TA02  
CONVERSION RESULTS ARE NOT VALID WHEN THE SELECTED CHANNEL OR  
THE OTHER CHANNEL IS OVERVOLTAGED (V < GND OR V > V ). SEE  
IN  
IN  
CC  
SECTION ON OVERVOLTAGE PROTECTION IN THE APPLICATIONS INFORMATION.  
1
1234567...20

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