LTC2473IDD

更新时间： 2024-09-24 05:43:47

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	301K
描述
Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs with 10ppm/°C Max Precision Reference

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中文翻译

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LTC2473IDD 数据手册

LTC2471/LTC2473

Selectable 250sps/1ksps,

16-Bit I C ΔΣ ADCs with 10ppm/°C

Max Precision Reference

DESCRIPTION

FEATURES

16-Bit Resolution, No Missing Codes

TheLTC^®2471/LTC2473aresmall,16-bitanalog-to-digital

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

Single-Ended (LTC2471) or Differential (LTC2473)

Selectable 250sps/1ksps Output Rate

1mV Offset Error

converters with an integrated precision reference and

a selectable 250sps or 1ksps output rate. They use a

single 2.7V to 5.5V supply and communicate through an

I²C Interface. The LTC2471 is single-ended with a 0V to

V_REFinput range and the LTC2473 is differential with a

V_REFinput range. Both ADC’s include a 1.25V integrated

referencewith2ppm/°Cdriftperformanceand0.1%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 conver-

sions with no latency for multiplexed applications. The

LTC2471/LTC2473 include a proprietary input sampling

scheme that reduces the average input current several

orders of magnitude when compared to conventional

delta sigma converters.

0.01% Gain Error

Single Conversion Settling Time Simpliﬁes

Multiplexed Applications

Single-Cycle Operation with Auto Shutdown

3.5mA (Typ) Supply Current

2μA (Max) Sleep Current

Internal Oscillator—No External Components

Required

I C Interface

Small 12-Lead, 3mm × 3mm DFN and MSOP

Packages

Following a single conversion, the LTC2471/LTC2473

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 LTC2471/LTC2473 include a user selectable 250sps

or 1ksps output rate and due to a large oversampling

ratio (8,192 at 250sps and 2,048 at 1ksps) have relaxed

anti-aliasing requirements.

Industrial Process Control

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

–

I C

INTERFACE

10k

LTC2473

0.1μF

–

REF

GND

24713 TA01a

–50 –30 –10 10

TEMPERATURE (°C)

24713 TA01b

24713f

12 3 4 5 6 7...20

中文翻译

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与LTC2473IDD相关器件

型号	品牌	获取价格	描述	数据表
LTC2473IDD#PBF	Linear	获取价格	LTC2473 - Selectable 208sps/833sps, 16-Bit I<sup>2</sup>C ΔΣ
LTC2473IDDPBF	Linear	获取价格	Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs w
LTC2473IDDTRPBF	Linear	获取价格	Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs w
LTC2473IMS	Linear	获取价格	Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs w
LTC2473IMS#PBF	Linear	获取价格	暂无描述
LTC2473IMS#TRPBF	Linear	获取价格	LTC2473 - Selectable 208sps/833sps, 16-Bit I<sup>2</sup>C ΔΣ
LTC2473IMSPBF	Linear	获取价格	Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs w
LTC2473IMSTRPBF	Linear	获取价格	Selectable 250sps/1ksps, 16-Bit I2C ΔΣ ADCs w
LTC2480	Linear	获取价格	16-Bit ADC with Easy Drive
LTC2480	ADI	获取价格	具 Easy Drive 输入电流抵消功能的 16 位 ΔΣ ADC

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