Datasheet > LTC1401C

LTC1401C

更新时间： 2024-01-17 12:14:45

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	355K
描述
Complete SO-8, 12-Bit, 200ksps ADC with Shutdown

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中文翻译

获取价格

数据手册

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LTC1401C 数据手册

LTC1401

Complete

SO-8, 12-Bit, 200ksps

ADC with Shutdown

FEATURES

DESCRIPTION

The LTC^®1401 is a complete 200ksps, 12-bit A/D con-

verterthatconverts0Vto2.048Vunipolarinputanddraws

only 15mW from a single 3V supply. This easy-to-use

device comes complete with a 315ns sample-and-hold

and a precision reference. Maximum DC specifications

include ±1LSB INL, ±1LSB DNL and 45ppm/°C full-scale

drift over temperature.

■

Complete 12-Bit ADC with Reference in SO-8

■

Single Supply 3V Operation

■

Sample Rate: 200ksps

Power Dissipation: 15mW (Typ)

■

68dB S/(N + D) and – 72dB THD at 50kHz

■

No Missing Codes Over Temperature

■

Nap Mode with Instant Wake-Up: 1.5mW

■

Sleep Mode: 19.5µW

The LTC1401 has three power saving modes: Nap and

Sleep, through the serial interface and Shutdown by

setting the SHDN pin to zero. In Nap mode, it consumes

only 1.5mW of power and can wake up and convert

immediately. In Sleep (Shutdown) mode, it consumes

19.5µW (13.5µW) of power typically. Upon power-up

fromSleeporShutdownmode,areferenceready(REFRDY)

signal is available in the serial word to indicate that the

reference has settled and the chip is ready to convert.

■

Shutdown Mode: 13.5µW

■

High Impedance Analog Input

■

Input Range (0.5mV/LSB): 0V to 2.048V

■

Internal Reference Can Be Overdriven Externally

■

3-Wire Interface to DSPs and Processors (SPI and

MICROWIRE^TMCompatible)

APPLICATIONS

■

Low Power and Battery-Operated Systems

Handheld or Portable Instruments

High Speed Data Acquisition

Digital Signal Processing

Multiplexed Data Acquisition Systems

Telecommunication

Digital Radio

The 3-wire serial port allows compact and efficient data

transfer to a wide range of microprocessors, microcon-

trollers and DSPs.

■

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

■

MICROWIRE is a trademark of National Semiconductor Corporation.

■

Spectrum Analysis

TYPICAL APPLICATION

Power Consumption vs Sample Rate

100

3.2MHz CLOCK

Single 3V Supply, 200kHz, 12-Bit Sampling A/D Converter

= 25°C

NORMAL CONVERSION

NAP MODE

BETWEEN CONVERSION

SHDN

10µF

0.1µF

MPU

P1.4

LTC1401

0.1

0.01

ANALOG INPUT

(0V TO 2.048V)

CONV

CLK

SHUTDOWN MODE

BETWEEN CONVERSION

1.20V

P1.3

REF

SLEEP MODE BETWEEN

CONVERSION

GND

P1.2

10µF

0.1µF

OUT

SERIAL

DATA LINK

0.001

1401 TA01

100

SAMPLE RATE (Hz)

0.01 0.1

1k 10k 100k 1M

LTC1401 • TA02

12 3 4 5 6 7...20

中文翻译

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与LTC1401C相关器件

型号	品牌	获取价格	描述	数据表
LTC1401CS8	Linear	获取价格	Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401CS8#PBF	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1401CS8#TR	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1401CS8#TRPBF	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1401I	Linear	获取价格	Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401IS8	Linear	获取价格	Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401IS8#PBF	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1401IS8#TR	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1401IS8#TRPBF	Linear	获取价格	LTC1401 - Complete SO-8, 12-Bit, 200ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1402	Linear	获取价格	Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

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