Datasheet > ISL267452

ISL267452

更新时间： 2024-11-23 11:58:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
16页	716K
描述
12-Bit, 555kSPS SAR ADC

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中文翻译

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数据手册

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ISL267452 数据手册

12-Bit, 555kSPS SAR ADC

ISL267452

Features

The ISL267452 is a 12-bit, 555kSPS sampling SAR-type ADC

featuring excellent linearity over supply and temperature

variations, and is drop-in compatible with the AD7452. The

robust, fully-differential input offers high impedance to minimize

errors due to leakage currents, and the specified measurement

accuracy is maintained with input signals up to the supply rails.

• Drop-in Compatible with AD7452

• Differential Input (Span = 2VREF)

• Simple SPI-compatible Serial Digital Interface

• Guaranteed No Missing Codes

• 555kHz Sampling Rate

The reference accepts inputs from 0.1V to 2.2V for 3V operation

and 0.1V to 3.5V for 5V operation, which provides design

flexibility in a wide variety of applications. The ISL267452 also

features up to 8kV Human Body Model ESD survivability.

• 3V or 5V Operation

• Low Operating Current

- 1.25mA at 555kSPS with 3V Supplies

- 1.70mA at 555kSPS with 5V Supplies

The serial digital interface is SPI compatible and is easily

interfaced to all popular FPGAs and microcontrollers. Power

dissipation is 7mW at a sampling rate of 555kSPS, and just 5µW

between conversions utilizing Auto Power-Down mode (with a 5V

supply), making the ISL267452 an excellent solution for remote

industrial sensors and battery-powered instruments.

• Power-down Current between Conversions: 1µA

• Excellent Differential Non-Linearity

• Low THD: -83dB (typ)

• Pb-Free (RoHS Compliant)

The ISL267452 is available in an 8 LD SOT-23 package, and is

specified for operation over the Industrial temperature range

(-40°C to +85°C).

• Available in SOT-23 Package

Applications

• Remote Data Acquisition

• Battery Operated Systems

• Industrial Process Control

• Energy Measurement

• Data Acquisition Systems

• Pressure Sensors

• Flow Controllers

1.0

0.8

0.6

VREF

VDD

0.4

0.2

0.0

VIN+

SCLK

SDATA

-0.2

-0.4

-0.6

-0.8

-1.0

SAR

LOGIC

SERIAL

INTERFACE

VIN–

VREF

GND

1024

2048

3072

4096

CODE

FIGURE 1. BLOCK DIAGRAM

FIGURE 2. DIFFERENTIAL LINEARITY ERROR vs CODE

July 26, 2012

FN8255.0

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.

12 3 4 5 6 7...16

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与ISL267452相关器件

型号	品牌	获取价格	描述	数据表
ISL267452IHZ-T	INTERSIL	获取价格	12-Bit, 555kSPS SAR ADC
ISL267452IHZ-T7A	INTERSIL	获取价格	12-Bit, 555kSPS SAR ADC
ISL267817	INTERSIL	获取价格	Intersilâs Solutions for Industrial Process
ISL267817	RENESAS	获取价格	12-Bit Differential Input 200kSPS SAR ADC
ISL267817IBZ	INTERSIL	获取价格	12-Bit Differential Input 200kSPS SAR ADC
ISL267817IBZ-T7	RENESAS	获取价格	ADC, Successive Approximation
ISL267817IBZ-T7A	RENESAS	获取价格	ADC, Successive Approximation
ISL267817IUZ	INTERSIL	获取价格	12-Bit Differential Input 200kSPS SAR ADC
ISL267817IUZ	RENESAS	获取价格	12-Bit Differential Input 200kSPS SAR ADC; MSOP8, SOIC8; Temp Range: -40° to 85&am
ISL267817IUZ-T	RENESAS	获取价格	12-Bit Differential Input 200kSPS SAR ADC; MSOP8, SOIC8; Temp Range: -40° to 85&am

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