Datasheet > LTC2461_15

LTC2461_15

更新时间： 2024-09-25 01:15:51

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	309K
描述
Ultra-Tiny, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference

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中文翻译

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LTC2461_15 数据手册

LTC2461/LTC2463

Ultra-Tiny, 16-Bit I C ΔΣ

ADCs with 10ppm/°C Max

Precision Reference

FEATURES

DESCRIPTION

The LTC^®2461/LTC2463 are ultra tiny, 16-Bit analog-to-

digital converters with an integrated precision reference.

They use a single 2.7V to 5.5V supply and communicate

through an I²C Interface. The LTC2461 is single-ended

with a 0V to 1.25V input range and the LTC2463 is dif-

ferential with a 1.25V input range. Both ADCs include a

1.25V integrated reference with 2ppm/°C drift perfor-

mance and 0.1% initial accuracy. The converters are

available in a 12-pin 3mm × 3mm DFN package or an

MSOP-12 package. They include an integrated oscillator

and perform conversions with no latency for multiplexed

applications. TheLTC2461/LTC2463includeaproprietary

input sampling scheme that reduces the average input

current several orders of magnitude when compared to

conventional delta sigma converters.

16-Bit Resolution, No Missing Codes

Internal Reference, High Accuracy 10ppm/°C (Max)

Single-Ended (LTC2461) or Differential (LTC2463)

2LSB Offset Error (Typ)

0.01% Gain Error (Typ)

60 Conversions Per Second

Single Conversion Settling Time for Multiplexed

Applications

1.5mA Supply Current

200nA Sleep Current

Internal Oscillator—No External Components

Required

2-Wire I C Interface with Two Addresses Plus One

Global Address for Synchronization

Ultra-Tiny, 12-Lead, 3mm × 3mm DFN and MSOP

Packages

Following a single conversion, the LTC2461/LTC2463

automatically power down the converter and can also be

conﬁgured to power down the reference. When both the

ADC and reference are powered down, the supply current

is reduced to 200nA.

APPLICATIONS

System Monitoring

Environmental Monitoring

Direct Temperature Measurements

The LTC2461/LTC2463 can sample at 60 conversions per

second and, due to the very large oversampling ratio,

have extremely relaxed antialiasing requirements. Both

includecontinuousinternaloffsetandfullscalecalibration

algorithmswhicharetransparenttotheuser, ensuringac-

curacy over time and the operating temperature range.

Instrumentation

Data Acquisition

Embedded ADC Upgrades

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

Technology Corporation. All other trademarks are the property of their respective owners.

Protected by U.S. Patents, including 6208279, 6411242, 7088280, 7164378.

TYPICAL APPLICATION

V_REFvs Temperature

1.2520

2.7V TO 5.5V

1.2515

1.2510

1.2505

1.2500

1.2495

1.2490

1.2485

1.2480

0.1µF

COMP

0.1µF

10µF

0.1µF

10k

REFOUT

SCL

SDA

GND

–

10k

I C

INTERFACE

LTC2463

0.1µF

–

REF

24613 TA01a

–50 –30 –10 10

TEMPERATURE (°C)

24613 TA01b

24613fa

12 3 4 5 6 7...20

中文翻译

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与LTC2461_15相关器件

型号	品牌	获取价格	描述	数据表
LTC2461CDD#PBF	Linear	获取价格	LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max
LTC2461CDD#TRPBF	Linear	获取价格	LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max
LTC2461CDDPBF	Linear	获取价格	Ultra-Tiny, 16-Bit IÂ²C ÎÎ£ ADCs with 10ppm/
LTC2461CMS#PBF	Linear	获取价格	LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max
LTC2461CMSPBF	Linear	获取价格	Ultra-Tiny, 16-Bit I²C ΔΣ ADCs with 10ppm/°C
LTC2461IDD#PBF	Linear	获取价格	LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max
LTC2461IDDPBF	Linear	获取价格	Ultra-Tiny, 16-Bit I²C ΔΣ ADCs with 10ppm/°C
LTC2461IMS#PBF	Linear	获取价格	LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max
LTC2461IMSPBF	Linear	获取价格	Ultra-Tiny, 16-Bit I²C ΔΣ ADCs with 10ppm/°C
LTC2462	Linear	获取价格	Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max

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