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MP3276AG PDF预览

MP3276AG

更新时间: 2024-11-20 22:29:59
品牌 Logo 应用领域
艾科嘉 - EXAR 转换器模数转换器信息通信管理
页数 文件大小 规格书
16页 172K
描述
Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem

MP3276AG 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:5.86Is Samacsys:N
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 APPROXIMATION
JESD-30 代码:S-CPGA-P68JESD-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:16
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 mmBase Number Matches:1

MP3276AG 数据手册

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MP3276  
Fault Protected 16 Channel, 12-Bit  
Data Acquisition Subsystem  
FEATURES  
Fault Protected 16-Channel 12-Bit A/D  
Converter with Sample & Hold, Reference,  
Clock and 3-state Outputs  
Fast Conversion, less than 15µS  
Microprocessor Bus Interface  
2’s Complement Data Output  
Parallel or Serial Data Output Modes  
65 ns Bus Access Time  
Overvoltage Protected Input (50 V over the Sup-  
ply Voltages)  
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: 110 mW typ. (7 mW per Channel typ.)  
32 Channel Version: MP3274  
Remote Analog Ground Sensing  
GENERAL DESCRIPTION  
The MP3276 is a complete 16-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 a16-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.  
foranovervoltageconditiononunselectedchannelswithoutdis-  
rupting the measured channel or operation of the MP3276! The  
internal 4 V reference has sufficient output current to provide  
other system reference needs. Precision thin film scaling and  
offset resistors are laser trimmed to provide for less than 2 LSB  
INL for +10 V inputs on all channels.  
In addition, the MP3276 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. The circuit design can allow  
SIMPLIFIED BLOCK DIAGRAM  
GND REF.  
V
V
AGND  
Comp  
DD  
CC  
GND  
AB0-3  
(4 pins)  
+
4
16 Ch.  
MUX  
AIN0-15  
(16 pins)  
REF IN /2  
16  
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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