Datasheet > LTC1400

LTC1400

更新时间： 2023-12-20 18:46:28

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	574K
描述
具停机功能的完整 SO-8 封装、12 位、400ksps ADC

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中文翻译

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数据手册

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LTC1400 数据手册

LTC1400

Complete SO-8, 12-Bit,

400ksps ADC with

Shutdown

DESCRIPTIO

FEATURES

TheLTC^®1400isacomplete400ksps,12-bitA/Dconverter

which draws only 75mW from 5V or ±5V supplies. This

easy-to-use device comes complete with a 200ns sample-

and-hold and a precision reference. Unipolar and bipolar

conversion modes add to the ﬂexibility of the ADC. The

LTC1400 has two power saving modes: Nap and Sleep.

In Nap mode, it consumes only 6mW of power and can

wake up and convert immediately. In the Sleep mode, it

consumes 30μW of power typically. Upon power-up from

Sleepmode,areferenceready(REFRDY)signalisavailable

in the serial data word to indicate that the reference has

settled and the chip is ready to convert.

■

Complete 12-Bit ADC in SO-8

■

Single Supply 5V or ±5V Operation

■

Sample Rate: 400ksps

Power Dissipation: 75mW (Typ)

■

72dB S/(N + D) and –80dB THD at Nyquist

■

No Missing Codes over Temperature

■

Nap Mode with Instant Wake-Up: 6mW

■

Sleep Mode: 30μW

High Impedance Analog Input

■

Input Range (1mV/LSB): 0V to 4.096V or ±2.048V

■

Internal Reference Can Be Overdriven Externally

■

3-Wire Interface to DSPs and Processors (SPI and

MICROWIRE^TMCompatible)

The LTC1400 converts 0V to 4.096V unipolar inputs from

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

supplies. Maximum DC specs include ±1LSB INL, ±1LSB

DNLand45ppm/°Cdriftovertemperature.GuaranteedAC

performance includes 70dB S/(N + D) and –76dB THD at

an input frequency of 100kHz, over temperature.

APPLICATIO S

■

High Speed Data Acquisition

Digital Signal Processing

Multiplexed Data Acquisition Systems

Audio and Telecom Processing

Digital Radio

Spectrum Analysis

Low Power and Battery-Operated Systems

■

The 3-wire serial port allows compact and efﬁcient data

transfer to a wide range of microprocessors, microcon-

trollers and DSPs.

■

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

All other trademarks are the property of their respective owners.

■

Handheld or Portable Instruments

TYPICAL APPLICATIO

Single 5V Supply, 400kHz, 12-Bit Sampling A/D Converter

Power Consumption vs Sample Rate

100

NORMAL CONVERSION

NAP MODE

BETWEEN CONVERSION

10µF

0.1µF

MPU

P1.4

LTC1400

SLEEP AND NAP MODE

ANALOG INPUT

(0V TO 4.096V)

CONV

CLK

0.1

0.01

BETWEEN CONVERSION

SLEEP MODE BETWEEN

CONVERSION

2.42V REF

P1.3

P1.2

REF

OUT

GND

10µF

0.1µF

OUT

SERIAL

DATA LINK

6.4MHz CLOCK

0.001

1400 TA01

100

SAMPLE RATE (Hz)

0.01 0.1

1k 10k 100k 1M

1400 TA02

1400fa

12 3 4 5 6 7...20

中文翻译

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与LTC1400相关器件

型号	品牌	获取价格	描述	数据表
LTC1400_1	Linear	获取价格	Complete SO-8, 12-Bit, 400ksps ADC with Shutdown
LTC1400C	Linear	获取价格	Complete SO-8, 12-Bit, 400ksps ADC with Shutdown
LTC1400CN8	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
LTC1400CS#TR	Linear	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, 0.150 INCH, PLASTIC, SO
LTC1400CS#TRPBF	Linear	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, 0.150 INCH, LEAD FREE,
LTC1400CS8	Linear	获取价格	Complete SO-8, 12-Bit, 400ksps ADC with Shutdown
LTC1400CS8#PBF	Linear	获取价格	暂无描述
LTC1400CS8#TR	Linear	获取价格	LTC1400 - Complete SO-8, 12-Bit, 400ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1400CS8#TRPBF	Linear	获取价格	LTC1400 - Complete SO-8, 12-Bit, 400ksps ADC with Shutdown; Package: SO; Pins: 8; Temperat
LTC1400I	Linear	获取价格	Complete SO-8, 12-Bit, 400ksps ADC with Shutdown

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