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MP3274AG PDF预览

MP3274AG

更新时间: 2024-11-20 21:55:39
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
16页 173K
描述
Fault Protected 32 Channel, 12-Bit Data Acquisition Subsystem

MP3274AG 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:PGA包装说明:PGA, PGA68,11X11
针数:68Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.92最大模拟输入电压:10 V
最小模拟输入电压:-10 V最长转换时间:15 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:S-CPGA-P68
JESD-609代码:e0长度:27.9 mm
最大线性误差 (EL):0.0488%标称负供电电压:-15 V
模拟输入通道数量:32位数:12
功能数量:1端子数量:68
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, PARALLEL, WORD
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:PGA
封装等效代码:PGA68,11X11封装形状:SQUARE
封装形式:GRID ARRAY峰值回流温度(摄氏度):NOT SPECIFIED
电源:5,12/15,-5/-15 V认证状态:Not Qualified
采样并保持/跟踪并保持:SAMPLE座面最大高度:3.68 mm
子类别:Analog to Digital Converters最大压摆率:8 mA
标称供电电压:15 V表面贴装:NO
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:PIN/PEG
端子节距:2.54 mm端子位置:PERPENDICULAR
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:27.9 mm
Base Number Matches:1

MP3274AG 数据手册

 浏览型号MP3274AG的Datasheet PDF文件第2页浏览型号MP3274AG的Datasheet PDF文件第3页浏览型号MP3274AG的Datasheet PDF文件第4页浏览型号MP3274AG的Datasheet PDF文件第5页浏览型号MP3274AG的Datasheet PDF文件第6页浏览型号MP3274AG的Datasheet PDF文件第7页 
MP3274  
Fault Protected 32 Channel, 12-Bit  
Data Acquisition Subsystem  
FEATURES  
Complete 32-Channel 12-Bit A/D Converter  
with Sample & Hold, Reference, Clock and  
3-State Outputs  
Fast Conversion, less than 15µS  
Microprocessor Bus Interface  
Parallel or Serial Data Output Modes  
65 ns Bus Access Time  
Precision Reference for Long Term Stability and  
Low Gain T.C.  
Guaranteed Linearity Over Temperature  
Guaranteed Performance at +12/–5 V, ±12 & ±15 V  
Low Power (3 mW per Channel Typical)  
16 Channel Version: MP3276 & MP3275  
Remote Analog Ground Sensing  
Overvoltage Protected Input (50 V over the  
Supply Voltages)  
GENERAL DESCRIPTION  
The MP3274 is a complete 32-channel, 12-bit Data Acquisi-  
tion Subsystem with 3-state output buffers for direct interfacing  
to 16-bit microprocessor buses. Implemented using an ad-  
vanced BiCMOS process, the converter combines a32-channel  
passiveovervoltageprotectedmultiplexerinstrumentationamp,  
a sample & hold, a SAR, a 12-bit decoded D/A, a comparator, a  
precision reference and the control logic to achieve an accurate,  
repeated conversion in less than 15µs, and a mux/instrumenta-  
tion amp settling period of less than 10µs.  
condition can exist on unselected channels without disrupting  
the measured channel or operation of the MP3274! The internal  
4 V reference has sufficient output current to provide other sys-  
temreferenceneeds. Precisionthinfilmscalingandoffsetresis-  
tors are laser trimmed to provide for less than 2 LSB INL for +10  
V inputs on all channels.  
In addition, the MP3274 will output either full scale (0111 ....)  
for overrange and – full scale (1000....) for underrange condi-  
tions. This greatly simplifies microprocessor software develop-  
ment.  
A unique input design provides input overvoltage protection  
to 50 V over the supply voltages. Therefore, an overvoltage  
SIMPLIFIED BLOCK DIAGRAM  
GND REF.  
V
V
AGND  
Comp  
DD  
CC  
AB0-4  
(5 pins)  
+
5
32 Ch.  
MUX  
AIN0-31  
(32 pins)  
REF IN /2  
32  
AGND  
2
V
REF  
REF IN  
VDAC  
4 V  
REF  
REF OUT  
12  
CLK  
SAR  
12  
AGND  
3
Control  
Logic  
Latch/  
Shift Register  
3-State  
Drivers  
PXS  
DB0-DB11  
DGND  
V
AGND WR RD  
ADEN  
STL  
EE  
CS  
STS  
Rev. 4.00  
1

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