LTC1297CI

更新时间： 2024-01-27 04:45:48

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	464K
描述
Single Chip 12-Bit Data Acquisition Systems

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技术参数
数据手册

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LTC1297CI 技术参数

生命周期：	Obsolete	零件包装代码：	DIP
包装说明：	DIP, DIP8,.3	针数：	8
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.84
Is Samacsys：	N	最大模拟输入电压：	5 V
转换器类型：	A/D CONVERTER	JESD-30 代码：	R-PDIP-T8
JESD-609代码：	e0	最大线性误差 (EL)：	0.018%
位数：	12	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出位码：	OFFSET BINARY
封装主体材料：	PLASTIC/EPOXY	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：	5 V
认证状态：	Not Qualified	子类别：	Analog to Digital Converters
标称供电电压：	5 V	表面贴装：	NO
技术：	CMOS	温度等级：	INDUSTRIAL
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
Base Number Matches：	1

LTC1297CI 数据手册

LTC1292/LTC1297

Single Chip 12-Bit

Data Acquisition Systems

DESCRIPTIO

EATURE

■

The LTC1292/LTC1297 are data acquisition systems that

contain a 12-bit, switched-capacitor successive approxi-

mation A/D, a differential input, sample-and-hold on the

(+)input,andserialI/O.WhentheLTC1297isidlebetween

conversions it automatically powers down reducing the

supply current to 5µA, typically. The LTC1292 is capable

of digitizing signals at a 60kHz rate and with the device’s

excellent AC characteristics, it can be used for DSP appli-

cations. All these features are packaged in an 8-pin DIP

and are made possible using LTCMOS^TMswitched-capaci-

tor technology.

Built-In Sample-and-Hold

Single Supply 5V Operation

60kHz Maximum Throughput Rate (LTC1292)

Power Shutdown After Each Conversion (LTC1297)

Direct 3-Wire Interface to Most MPU Serial Ports and

All MPU Parallel Ports

■

Analog Inputs Common Mode to Supply Rails

KEY SPECIFICATIO S

■

Resolution: 12 Bits

■

Fast Conversion Time: 12µs Max Over Temp

TheserialI/Oisdesignedtocommunicatewithoutexternal

hardware to most MPU serial ports and all MPU parallel

I/O ports allowing data to be transmitted over three wires.

Because of their accuracy, ease of use and small package

size these devices are well suited for digitizing analog

signals in remote applications where minimum number of

interconnects and power consumption are important.

■

Low Supply Current: 6.0mA

■

Shutdown Supply Current: 5µA (LTC1297)

LTCMOS is trademark of Linear Technology Corporation

TYPICAL APPLICATI

Power Supply Current

vs Sampling Frequency

12-Bit Differential Input Data Acquisition System

10000

1000

22µF

TANTALUM

MC68HC11

SCK

DIFFERENTIAL

INPUTS

COMMON MODE

RANGE

+IN

–

CLK

1N4148

LTC1297

100

–IN

MISO

OUT

0V TO 5V

GND

LT1027

REF

8V TO 40V

4.7µF

TANTALUM

1µF

100

10k

100k

(Hz)

SAMPLE

LTC1297• TA02

*FOR OVERVOLTAGE PROTECTION LIMIT THE INPUT CURRENT TO 15mA

PER PIN OR CLAMP THE INPUTS TO V AND GND WITH 1N4148 DIODES.

CONVERSION RESULTS ARE NOT VALID WHEN ANY INPUT IS OVERVOLTAGED

(V < GND OR V > V ). SEE SECTION ON OVERVOLTAGE PROTECTION IN

LTC1292/7 TA01

THE APPLICATIONS INFORMATION.

12 3 4 5 6 7...24

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与LTC1297CI相关器件

型号	品牌	描述	获取价格	数据表
LTC1297CIN	Linear	IC IC,A/D CONVERTER,SINGLE,12-BIT,CMOS,DIP,8PIN, Analog to Digital Converter	获取价格
LTC1297CIN8	Linear	Single Chip 12-Bit Data Acquisition Systems	获取价格
LTC1297CMJ	ETC	Analog-to-Digital Converter， 12-Bit	获取价格
LTC1297CN8	Linear	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PDIP8, PLASTIC, DIP-8, Analog to Digital Converter	获取价格
LTC1297DC	Linear	Single Chip 12-Bit Data Acquisition Systems	获取价格
LTC1297DCJ8	Linear	Single Chip 12-Bit Data Acquisition Systems	获取价格

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