LTC2451CTS8

更新时间： 2024-09-25 05:43:47

品牌	Logo	应用领域
凌特 - Linear		转换器光电二极管
页数	文件大小	规格书
16页	217K
描述
Ultra-Tiny, 16-Bit ΔΣ ADC with I2C Interface

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LTC2451CTS8 数据手册

LTC2451

Ultra-Tiny, 16-Bit ΔΣ ADC

with I C Interface

FEATURES

DESCRIPTION

The LTC^®2451 is an ultra-tiny, 16-bit, analog-to-digital

converter. The LTC2451 uses a single 2.7V to 5.5V sup-

ply, accepts a single-ended analog input voltage and

communicates through an I²C interface. The converter

is available in an 8-pin, 3mm × 2mm DFN or TSOT-23

package. It includes an integrated oscillator that does not

require any external components. It uses a delta-sigma

modulator as a converter core and provides single-cycle

settling time for multiplexed applications. The LTC2451

includesaproprietaryinputsamplingschemethatreduces

the average input sampling current several orders of

magnitude lower than conventional Δ∑ converters.

GND to V Single-Ended Input Range

0.02LSB RMS Noise

2LSB INL, No Missing Codes

1LSB Offset Error

4LSB Full-Scale Error

Programmable 30/60 Conversions per Second

Single Conversion Settling Time for Multiplexed

Applications

Single-Cycle Operation with Auto Shutdown

400μA Supply Current

0.2μA Sleep Current

Internal Oscillator—No External Components

Required

The LTC2451 is capable of up to 60 conversions per

second and, due to the very large oversampling ratio,

has extremely relaxed antialiasing requirements. In the

30Hz mode, the LTC2451 includes continuous internal

offset calibration algorithms which are transparent to the

user, ensuring accuracy over time and over the operating

Single Supply, 2.7V to 5.5V Operation

2-Wire I C Interface

Ultra-Tiny 3mm × 2mm DFN or TSOT-23 Package

APPLICATIONS

System Monitoring

temperature range. The converter has external REF and

–

Environmental Monitoring

REF pins and the input voltage can range from V

REF

–

Direct Temperature Measurements

. If V

= V and V

= GND, the input voltage

REF

Instrumentation

can range from GND to V .

Industrial Process Control

Following a single conversion, the LTC2451 can auto-

matically enter sleep mode and reduce its power to less

than 0.2μA. If the user reads the ADC once per second,

the LTC2451 consumes an average of less than 50μW

from a 2.7V supply.

Data Acquisition

Embedded ADC Upgrades

, LT, LTC and LTM 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

Integral Nonlinearity, V_CC= 3V

2.7V TO 5.5V

10μF

0.1μF

REF

SCL

SDA

2-WIRE I C

INTERFACE

IN LTC2451

–

= 90°C

SENSOR

0.1μF

REF

GND

–1

–2

–3

= –45°C, 25°C

2451 TA01a

1.5

2.5

0.5

2451 TA01b

INPUT VOLTAGE (V)

2451fd

12 3 4 5 6 7...16

中文翻译

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与LTC2451CTS8相关器件

型号	品牌	获取价格	描述	数据表
LTC2451CTS8#PBF	Linear	获取价格	LTC2451 - Ultra-Tiny, 16-Bit ΔΣ ADC with I<sup>2</sup>C Inte
LTC2451CTS8#TRMPBF	Linear	获取价格	LTC2451 - Ultra-Tiny, 16-Bit ΔΣ ADC with I<sup>2</sup>C Inte
LTC2451CTS8#TRPBF	Linear	获取价格	LTC2451 - Ultra-Tiny, 16-Bit ΔΣ ADC with I<sup>2</sup>C Inte
LTC2451CTS8B#TRMPBF	Linear	获取价格	IC 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO8, LEAD FREE, PLASTIC, MO-193, TSOT-23,
LTC2451CTS8-TRPBF	Linear	获取价格	Ultra-Tiny, 16-Bit DS ADC with I2C Interface
LTC2451IDDB#TRMPBF	Linear	获取价格	LTC2451 - Ultra-Tiny, 16-Bit ΔΣ ADC with I<sup>2</sup>C Inte
LTC2451IDDB-TRMPBF	Linear	获取价格	Ultra-Tiny, 16-Bit ΔΣ ADC with I2C Interface
LTC2451IDDB-TRPBF	Linear	获取价格	Ultra-Tiny, 16-Bit ΔΣ ADC with I2C Interface
LTC2451ITS8	Linear	获取价格	Ultra-Tiny, 16-Bit ΔΣ ADC with I2C Interface
LTC2451ITS8#PBF	Linear	获取价格	LTC2451 - Ultra-Tiny, 16-Bit ΔΣ ADC with I<sup>2</sup>C Inte

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