Datasheet > LTC2453

LTC2453

更新时间： 2023-12-20 18:44:05

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
18页	285K
描述
具 I2C 接口的超纤巧、差分、16 位 ΔΣ ADC

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LTC2453 数据手册

LTC2453

Ultra-Tiny, Differential,

16-Bit DS ADC With

I C Interface

FEATURES

DESCRIPTION

The LTC^®2453 is an ultra-tiny, fully differential, 16-bit,

analog-to-digital converter. The LTC2453 uses a single

2.7V to 5.5V supply and communicates through an I²C

interface.TheADCisavailableinan8-pin,3mm× 2mmDFN

package or 8-pin, 3mm × 3mm TSOT package. It includes

an integrated oscillator that does not require any external

components.Itusesadelta-sigmamodulatorasaconverter

core and has no latency for multiplexed applications. The

LTC2453 includes a proprietary input sampling scheme

that reduces the average input sampling current several

orders of magnitude lower than conventional delta-sigma

converters. Additionally, due to its architecture, there is

negligible current leakage between the input pins.

■

±± Differential Input Range

■

16-Bit Resolution (Including Sign), No Missing Codes

■

2LSB Offset Error

4LSB Full-Scale Error

60 Conversions Per Second

■

Single Conversion Settling Time for Multiplexed

Applications

■

Single-Cycle Operation with Auto Shutdown

■

800µA Supply Current

0.2µA Sleep Current

■

Internal Oscillator—No External Components Required

■

2-Wire I C Interface

■

Ultra-Tiny 8-Pin 3mm × 2mm DFN

and TSOT23 Packages

The LTC2453 can sample at 60 conversions per second,

andduetotheverylargeoversamplingratio,hasex-tremely

relaxed antialiasing requirements. The LTC2453 includes

continuous internal offset and full-scale calibration algo-

rithms which are transparent to the user, ensuring accuracy

over time and over the operating temperature range. The

APPLICATIONS

■

System Monitoring

■

Environmental Monitoring

■

Direct Temperature Measurements

–

■

Instrumentation

converter has external REF and REF pins and the differen-

–

■

Industrial Process Control

tial input voltage range can extend up to ± ±V

– V

REF

■

Data Acquisition

Followingasingleconversion,theLTC2453canauto-matically

enter a sleep mode and reduce its power to less than 0.2µA.

If the user reads the ADC once a second, the LTC2453 con-

sumes an average of less than 50µW from a 2.7V supply.

■

Embedded ADC Upgrades

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. No Latency DS is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners. Protected by U.S. Patents

including 6208279, 6411242, 7088280, 7164378.

Integral Nonlinearity, ±_CC= 3±

TYPICAL APPLICATION

2.0

= 3V

= 0V

REF

1.5

1.0

0.5

–

2.7V TO 5.5V

0.1µF

10µF

= –45°C, 25°C, 90°C

0.1µF

REF

–

SCL

SDA

10k

2-WIRE I C

–0.5

LTC2453

GND

INTERFACE

–1.0

–1.5

–2.0

–

2453 TA01

–2

–1

–3

DIFFERENTIAL INPUT VOLTAGE (V)

2453 TA01b

2453fc

12 3 4 5 6 7...18

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与LTC2453相关器件

型号	品牌	描述	获取价格	数据表
LTC2453_1	Linear	Ultra-Tiny, Differential, 16-Bit ΔΣ ADC With	获取价格
LTC2453CDDB#TRMPBF	Linear	LTC2453 - Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I<sup>2</sup>C	获取价格
LTC2453CDDB#TRPBF	Linear	LTC2453 - Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I<sup>2</sup>C	获取价格
LTC2453CDDBTRMPBF	Linear	Easy-to-Use, Ultra-Tiny, Differential, 16-Bit ADC With I2C Interface	获取价格
LTC2453CDDB-TRMPBF	Linear	Ultra-Tiny, Differential, 16-Bit ΔΣ ADC With	获取价格
LTC2453CDDB-TRPBF	Linear	Ultra-Tiny, Differential, 16-Bit ΔΣ ADC With	获取价格

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