LTC1418I

更新时间： 2024-11-25 22:57:35

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	715K
描述
Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O

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LTC1418I 数据手册

LTC1418

Low Power, 14-Bit, 200ksps

ADC with Serial and Parallel I/O

FEATURES

DESCRIPTION

The LTC^®1418 is a low power, 200ksps, 14-bit A/D

converter. Data output is selectable for 14-bit parallel or

serial format. This versatile device can operate from a

single 5V or ±5V supply. An onboard high performance

sample-and-hold, a precision reference and internal tim-

ing minimize external circuitry requirements. The low

15mW power dissipation is made even more attractive

with two user selectable power shutdown modes.

■

Single Supply 5V or ±5V Operation

■

Sample Rate: 200ksps

■

±1.25LSB INL and ±1LSB DNL Max

■

Power Dissipation: 15mW (Typ)

■

Parallel or Serial Data Output

■

No Missing Codes Over Temperature

■

Power Shutdown: Nap and Sleep

■

External or Internal Reference

■

Differential High Impedance Analog Input

The LTC1418 converts 0V to 4.096V unipolar inputs from

a single 5V supply and ±2.048V bipolar inputs from ±5V

supplies. DC specs include ±1.25LSB INL, ±1LSB DNL

and no missing codes over temperature. Outstanding AC

performanceincludes82dBS/(N+D)and94dBTHDatthe

Nyquist input frequency of 100kHz.

■

Input Range: 0V to 4.096V or ±2.048V

■

81.5dB S/(N + D) and –94dB THD at Nyquist

■

28-Pin Narrow PDIP and SSOP Packages

APPLICATIONS

■

The flexible output format allows either parallel or serial I/O.

The SPI/MICROWIRE^TMcompatible serial I/O port can oper-

ate as either master or slave and can support clock frequen-

cies from DC to 10MHz. A separate convert start input and

a data ready signal (BUSY) allow easy control of conversion

start and data transfer.

Remote Data Acquisition

Battery Operated Systems

Digital Signal Processing

Isolated Data Acquisition Systems

Audio and Telecom Processing

Medical Instrumentation

■

, LTC and LT are registered trademarks of Linear Technology Corporation.

MICROWIRE is a trademark of National Semiconductor Corporation.

TYPICAL APPLICATION

Low Power, 200kHz, 14-Bit Sampling A/D Converter

10µF

Typical INL Curve

1.0

SER/PAR

LTC1418

S/H

D13

0.5

14-BIT ADC

SELECTABLE

SERIAL/

PARALLEL

PORT

–

D4 (EXTCLKIN)

D3 (SCLK)

D2 (CLKOUT)

D1 (D

4.096V

BUFFER

)

OUT

REFCOMP

D0 (EXT/INT)

10µF

–0.5

BUSY

TIMING AND

LOGIC

2.5V

REFERENCE

REF

CONVST

SHDN

–1.0

1µF

4096

8192

12288

16384

OUTPUT CODE

AGND

DGND

(0V OR –5V)

1418 TA02

1418 TA01

12 3 4 5 6 7...28

中文翻译

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与LTC1418I相关器件

型号	品牌	获取价格	描述	数据表
LTC1418IG	Linear	获取价格	Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
LTC1418IG#PBF	Linear	获取价格	LTC1418 - Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; Package: SSOP; Pins
LTC1418IG#TRPBF	Linear	获取价格	LTC1418 - Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; Package: SSOP; Pins
LTC1418IN	Linear	获取价格	Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
LTC1418IN#PBF	Linear	获取价格	LTC1418 - Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O; Package: PDIP; Pins
LTC1418IN#TRPBF	Linear	获取价格	SUCCESSIVE APPROXIMATION ADC
LTC1419	Linear	获取价格	14-Bit, 800ksps Sampling A/D Converter with Shutdown
LTC1419	ADI	获取价格	具停机功能的 14 位、800ksps 采样 A/D 转换器
LTC1419_1	Linear	获取价格	14-Bit, 800ksps Sampling A/D Converter with Shutdown
LTC1419ACG	Linear	获取价格	14-Bit, 800ksps Sampling A/D Converter with Shutdown

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