Datasheet > ISL2671286IPZ

ISL2671286IPZ

更新时间： 2022-02-26 13:13:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
15页	641K
描述
12-Bit, 20kSPS SAR ADC

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ISL2671286IPZ 数据手册

12-Bit, 20kSPS SAR ADC

ISL2671286

Features

The ISL2671286 is a sampling SAR-type ADC which features

excellent linearity over supply and temperature variations, and

provides a drop-in compatible alternative to all ADS1286

performance grades. The robust high impedance input

minimizes errors due to leakage currents, and specified

measurement accuracy is maintained with input signals up to

the supply rails.

• Drop-In Compatible with ADS1286 (All Performance Grades)

• Simple SPI-compatible Serial Digital Interface

• Guaranteed No Missing Codes

• 20kHz Sampling Rate

• +4.50V to +5.25V Supply

• Low 280µA Operating Current (20kSPS)

• Power-down Current between Conversions: 3µA

• Excellent Differential Non-Linearity (0.75LSB Max)

• Low THD: -83dB (Typ)

The reference accepts inputs between 1.25V to 5.0V, providing

design flexibility in a wide variety of applications. The

ISL2671286 also features up to 8kV Human Body Model ESD

survivability.

The serial digital interface is SPI compatible and is easily

interfaced to all popular FPGAs and microcontrollers.

Operating from a 5V supply, power dissipation is 1.4mW at a

sampling rate of 20kSPS and just 15µW between conversions

utilizing the Auto Power-Down mode. These features make the

ISL2671286 an excellent solution for remote industrial

sensors and battery-powered instruments.

• Pb-Free (RoHS Compliant)

• Available in SOIC Package

Applications

• Remote Data Acquisition

• Battery Operated Systems

• Industrial Process Control

• Energy Measurement

• Data Acquisition Systems

• Pressure Sensors

The ISL2671286 is available in an 8 Ld SOIC package and is

specified for operation over the industrial temperature range

of –40°C to +85°C.

• Flow Controllers

VREF

+VCC

+IN

DCLOCK

DOUT

SAR

LOGIC

SERIAL

INTERFACE

-1

-2

-3

–IN

CS/SHDN

VREF

GND

512

1024 1536 2048 2560 3072 3584 4096

CODE

FIGURE 1. BLOCK DIAGRAM

FIGURE 2. DIFFERENTIAL LINEARITY ERROR vs CODE

November 1, 2011

FN7863.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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