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MAX11259 PDF预览

MAX11259

更新时间: 2024-09-16 14:57:47
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
51页 1326K
描述
24位、6通道、16ksps、6.2nV/√Hz PGA、Δ-Σ ADC,I2C接口

MAX11259 数据手册

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MAX11259  
24-Bit, 6-Channel, 16ksps, 6.2nV/√Hz PGA,  
2
Delta-Sigma ADC with I C Interface  
General Description  
Benefits and Features  
The MAX11259 is a 6-channel, 24-bit delta-sigma ADC  
that achieves exceptional performance while consuming  
very low power. Sample rates up to 16ksps allow preci-  
sion DC measurements. The MAX11259 communicates  
via an I C-compatible serial interface and is available in a  
small (3mm x 3mm) WLP package.  
● High Resolution for Industrial Applications that  
Require a Wide Dynamic Range  
• 133dB SNR at 50sps  
• 124dB SNR at 1000sps  
2
● Longer Battery Life for Portable Applications  
• 2.2mA Operating Mode Current  
• 1μA Sleep Current  
The MAX11259 offers a 6.2nV/ Hz noise programmable  
gain amplifier (PGA) with gain settings from 1x to 128x.  
The integrated PGA provides isolation of the signal inputs  
from the switched capacitor sampling network. The PGA  
also enables the MAX11259 to interface directly with high-  
impedance sources without compromising available dy-  
namic range.  
● Single or Split Analog Supplies Provide Input Voltage  
Range Flexibility  
• 2.7V to 3.6V (Single Supply) or ±1.8V (Split Supply)  
● Enables System Integration  
• Low Noise, 6.2nV/ Hz PGA with Gains of 1, 2, 4, 8,  
16, 32, 64, 128  
The MAX11259 operates from a single 2.7V to 3.6V ana-  
log supply, or split ±1.8V analog supplies, allowing the  
analog input to be sampled below ground. The digital sup-  
ply range is 1.7V to 2.0V or 2.0V to 3.6V, allowing commu-  
nication with 1.8V, 2.5V, 3V, or 3.3V logic.  
• 6-Channel, Fully Differential Input  
● Enables On-Demand Device and System Gain and  
Offset Calibration  
• User-Programmable Offset and Gain Registers  
● Robust Performance in a Small Package  
• -40°C to +125°C Operating Temperature Range  
• WLP Package, 3mm x 3mm (6 x 6 Ball Array)  
Applications  
● Wearable Electronics  
● Weigh Scales  
● Pressure Sensors  
● Battery-Powered Instrumentation  
19-7749; Rev 1; 10/20  
© 2021 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2022 Analog Devices, Inc. All rights reserved.  

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