Datasheet > MP3275AE

MP3275AE

更新时间： 2024-11-20 21:53:59

品牌	Logo	应用领域
艾科嘉 - EXAR		转换器信息通信管理
页数	文件大小	规格书
16页	141K
描述
Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem

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中文翻译

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MP3275AE 数据手册

MP3275

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

• 2’s Complement and Serial Data Output

• Remote Analog Ground Sensing

• Overvoltage Protected Input (ꢀ50 V over the

Supply 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 (7 mW per Channel Typical)

• Parallel Version: MP3276

• 32 Channel Version: MP3274

GENERAL DESCRIPTION

The MP3275 is a complete 16-channel, 12-bit Data Acquisi-

tion Subsystem with serial data port. Implemented using an ad-

vanced BiCMOS process, the converter combines a16-channel

passive overvoltage-protected multiplexer instrumentation

amp, a sample & hold, a SAR, a 12-bit decoded D/A, a compa-

rator, a precision reference and the control logic to achieve an

accurate 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 MP3275! 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 MP3275 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.

AGND

Comp

AB0-3

(4 pins)

–

-15

IN0

Ch.

MUX

(16 pins)

REF IN /2

AGND

REF

VDAC

4 V

REF

REF OUT

CLK

SAR

AGND

Control

Logic

Latch/

Shift Register

SDC

3-State

Driver

SDO

DGND

STS

STL

DGND

RD ADEN

Rev. 4.00

12 3 4 5 6 7...16

中文翻译

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与MP3275AE相关器件

型号	品牌	获取价格	描述	数据表
MP3276	EXAR	获取价格	Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
MP3276AG	EXAR	获取价格	Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
MP3276AP	EXAR	获取价格	Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
M-P-3-3	HRS	获取价格	RF Connector, Male, Cable Mount, Solder Terminal, Plug
MP330	ETC	获取价格	Power Film Resistors
MP3301	MPS	获取价格	1.3MHz, 700mA, Fixed-Frequency Step-Up Driver for up to 10 White LEDS
MP3301GJ	MPS	获取价格	1.3MHz, 700mA, Fixed-Frequency Step-Up Driver for up to 10 White LEDS
MP3302	MPS	获取价格	40V, 1.3A, Single-cell Step-up White LED Driver with Single Wire Dimming Control
MP3302DD	MPS	获取价格	40V, 1.3A, Single-cell Step-up White LED Driver with Single Wire Dimming Control
MP3302DD-LF-Z	MPS	获取价格	LED Driver, 27-Segment, PDSO8, 2 X 3 MM, ROHS COMPLIANT, MO-229VCED-2, QFN-8

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