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LTC1287BCJ PDF预览

LTC1287BCJ

更新时间: 2024-09-23 22:24:07
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
16页 328K
描述
3V Single Chip 12-Bit Data Acquisition System

LTC1287BCJ 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:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
最大模拟输入电压:12.05 V最小模拟输入电压:-0.05 V
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-GDIP-T8
JESD-609代码:e0最大线性误差 (EL):0.012%
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
电源:3 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最大压摆率:5 mA
标称供电电压:3 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
宽度:7.62 mmBase Number Matches:1

LTC1287BCJ 数据手册

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LTC1287  
3V Single Chip 12-Bit  
Data Acquisition System  
U
DESCRIPTIO  
EATURE  
S
F
The LTC1287 is a 3V data acquisition component which  
contains a serial I/O successive approximation A/D con-  
verter. The device specifications are guaranteed at a  
supply voltage of 2.7V. It uses LTCMOSTM switched ca-  
pacitor technology to perform a 12-bit unipolar, A/D  
conversion. The differential input has an on-chip sample-  
and-hold on the (+) input.  
Single Supply 3.3V or ±3.3V Operation  
Built-In Sample-and-Hold  
Direct 3-Wire Interface to Most MPU Serial Ports and  
All MPU Parallel Ports  
30kHz Maximum Throughput Rate  
U
KEY SPECIFICATIO S  
TheserialI/Oisdesignedtocommunicatewithoutexternal  
hardware to most MPU serial ports and all MPU parallel  
I/Oportsallowingdatatobetransmittedandreceivedover  
three wires. The low voltage operating capability and the  
low power consumption of this device make it ideally  
suitedforbatteryapplications.Giventheeaseofuse,small  
package size and the minimum number of interconnects  
for I/O, the LTC1287 can be used for remote sensing  
applications.  
Minimum Guaranteed Supply Voltage: 2.7V  
Resolution: 12 Bits  
Fast Conversion Time: 24µs Max Over Temp.  
Low Supply Current: 1.0mA  
U
O
TYPICAL APPLICATI  
Battery-Powered Instruments  
Data Logger  
Data Acquisition Modules  
LTCMOS is a trademark of Linear Technology Corporation  
3V Differential Input Data Acquisition System  
INL with VREF = 1.2V  
22µF TANTALUM  
1.0  
V
CS  
CC  
3V  
LITHIUM  
0.5  
10k  
DIFFERENTIAL INPUTS  
COMMON MODE RANGE  
CLK  
+IN  
–IN  
GND  
+
LTC1287  
0V TO V  
*
CC  
D
OUT  
0
V
REF  
+
LT1004-1.2  
–0.5  
–1.0  
22µF  
TANTALUM  
512 1024  
0
1536 2048 2560 3072  
CODE  
3584 4096  
TO AND FROM MPU  
LTC1287 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 THE SELECTED CHANNEL OR  
OTHER CHANNEL IS OVERVOLTAGED (V < GND OR V > V ). SEE SECTION  
IN  
IN  
CC  
ON OVERVOLTAGE PROTECTION IN THE APPLICATIONS INFORMATION.  
1287 TA01  
1

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