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ISL26312 PDF预览

ISL26312

更新时间: 2024-11-18 11:58:31
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
23页 818K
描述
12-bit, 125kSPS Low-power ADCs with Single-ended and Differential Inputs and Multiple Input Channels

ISL26312 数据手册

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12-bit, 125kSPS Low-power ADCs with Single-ended  
and Differential Inputs and Multiple Input Channels  
ISL26310, ISL26311, ISL26312,  
ISL26313, ISL26314, ISL26315,  
ISL26319  
Features  
• Pin-compatible Family Allows Easy Design Upgrades  
• Excellent Differential Non-Linearity (0.7LSB max)  
• Low THD: -86dB (typ)  
The ISL26310/11/12/13/14/15/19 family of sampling  
SAR-type ADCs feature excellent linearity over supply and  
temperature variations, and offer versions with 1-, 2-, 4- and  
8-channel single-ended inputs, and 1-, 2- and 4-channel  
differential inputs.  
• Simple SPI-compatible Serial Digital Interface  
• Low 2.2mA Operating Current  
• Power-down Current between Conversions 8µA (typ)  
• +5.25V to +2.7V Supply  
A proprietary input multiplexer and combination buffer amplifier  
reduces the input drive requirements, resulting in lower cost and  
reduced board space. Specified measurement accuracy is  
maintained with input signals up to VDD.  
• Excellent ESD Survivability: 5kV HBM, 350V MM, 2kV CDM  
Applications  
• Industrial Process Control  
• Energy Measurement  
• Multichannel Data Acquisition Systems  
• Pressure Sensors  
Members of the ISL26310/11/12/13/14/15/19 family of  
Low-Power ADCs offer pinout intercompatibility, differing only in  
the analog inputs, to support quick replication of proven layouts  
across multiple design platforms.  
The serial digital interface is SPI compatible and is easily  
interfaced to popular FPGAs and microcontrollers. Power  
consumption is limited to 11mW at a sampling rate of 125kSPS,  
and an operating current of just 8µA typical between  
conversions, when configured for Auto Powerdown mode.  
• Flow Controllers  
The ISL26310/11/12/13/14/15/19 feature up to 5kV Human  
Body Model ESD survivability and are available in the popular  
SOIC and TSSOP packages. Performance is specified for  
operation over the full industrial temperature range (-40°C to  
+125°C).  
VDD  
VREF  
BUFFER  
CNV  
ANALOG INPUTS  
DIFFERENTIAL/  
SINGLE-ENDED  
SCLK  
MUX  
ADC  
OSC  
SPI  
SDO  
SDI  
POR  
GND  
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM  
July 3, 2012  
FN7549.1  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2012. All Rights Reserved  
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  
1

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