Datasheet > LTC2460_15

LTC2460_15

更新时间： 2022-02-26 13:01:56

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
22页	314K
描述
Ultra-Tiny, 16-Bit ADCs with 10ppm/C Max Precision Reference

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LTC2460_15 数据手册

LTC2460/LTC2462

Ultra-Tiny, 16-Bit ΔΣ ADCs

with 10ppm/°C Max

Precision Reference

DescripTion

FeaTures

16-Bit Resolution, No Missing Codes

The LTC^®2460/LTC2462 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 SPI Interface. The LTC2460 is single-ended

with a 0V to V_REFinput range and the LTC2462 is dif-

ferential with a V_REFinput range. Both ADC’s include

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

formance and 0.1% initial accuracy. The converters are

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

MSOP-12 package. They include an integrated oscillator

and perform conversions with no latency for multiplexed

applications. TheLTC2460/LTC2462includeaproprietary

input sampling scheme that reduces the average input

current several orders of magnitude when compared to

conventional delta sigma converters.

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

Single-Ended (LTC2460) or Differential (LTC2462)

2LSB Offset Error

0.01% Gain Error

60 Conversions Per Second

Single Conversion Settling Time for Multiplexed

Applications

Single-Cycle Operation with Auto Shutdown

1.5mA Supply Current

2µA (Max) Sleep Current

Internal Oscillator—No External Components Required

SPI Interface

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

Packages

Following a single conversion, the LTC2460/LTC2462

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

Instrumentation

The LTC2460/LTC2462 can sample at 60 conversions per

second, and due to the very large oversampling ratio,

have extremely relaxed antialiasing requirements. Both

includecontinuousinternaloffsetandfullscalecalibration

algorithms which are transparent to the user, ensuring

accuracy over time and the operating temperature range.

Industrial Process Control

Data Acquisition

Embedded ADC Upgrades

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

No Latency ∆∑ 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.

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

SCK

–

10k

SPI

INTERFACE

LTC2462

SDO

0.1µF

–

REF

GND

24602 TA01a

–50 –30 –10 10

TEMPERATURE (°C)

24602 TA01b

24602fa

12 3 4 5 6 7...22

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LTC2460CDD	Linear	Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max	获取价格
LTC2460CDD#PBF	Linear	LTC2460 - Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision	获取价格
LTC2460CMS	Linear	Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max	获取价格
LTC2460CMS#PBF	Linear	LTC2460 - Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision	获取价格
LTC2460IDD	Linear	Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max	获取价格
LTC2460IDD#PBF	Linear	LTC2460 - Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision	获取价格

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