MP3274K-DIE

更新时间： 2024-11-21 13:11:43

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
ADC, Successive Approximation, 12-Bit, 1 Func, 32 Channel, Parallel, Word Access, CMOS, 0.212 X 0.232 INCH, DIE-68

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技术参数
数据手册

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MP3274K-DIE 技术参数

生命周期：	Obsolete	零件包装代码：	DIE
包装说明：	DIE,	针数：	68
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.84
转换器类型：	ADC, SUCCESSIVE APPROXIMATION	JESD-30 代码：	R-XUUC-N68
最大线性误差 (EL)：	0.0488%	模拟输入通道数量：	32
位数：	12	功能数量：	1
端子数量：	68	输出位码：	BINARY
输出格式：	PARALLEL, WORD	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	RECTANGULAR
封装形式：	UNCASED CHIP	认证状态：	Not Qualified
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	端子形式：	NO LEAD
端子位置：	UPPER	Base Number Matches：	1

MP3274K-DIE 数据手册

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.

AGND

Comp

AB0-4

(5 pins)

–

32 Ch.

MUX

AIN0-31

(32 pins)

REF IN /2

AGND

REF

REF IN

VDAC

4 V

REF

REF OUT

CLK

SAR

AGND

Control

Logic

Latch/

Shift Register

3-State

Drivers

PXS

DB0-DB11

DGND

AGND WR RD

ADEN

STL

STS

Rev. 4.00

12 3 4 5 6 7...16

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与MP3274K-DIE相关器件

型号	品牌	获取价格	描述	数据表
MP3274SG	EXAR	获取价格	Fault Protected 32 Channel, 12-Bit Data Acquisition Subsystem
MP3275	EXAR	获取价格	Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
MP3275AE	EXAR	获取价格	Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
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

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