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MAX11270

Maxim
Part Number MAX11270
Manufacturer Maxim
Description 64ksps Delta-Sigma ADC
Published May 13, 2015
Detailed Description MAX11270 EVALUATION KIT AVAILABLE 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA General Descript...
Datasheet PDF File MAX11270 PDF File

MAX11270
MAX11270

Overview
MAX11270 EVALUATION KIT AVAILABLE 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA General Description The MAX11270 is a 24-bit delta-sigma ADC that achieves excellent 130dB SNR while dissipating an ultra-low 10mW.
Sample rates up to 64ksps allow both precision DC and AC measurements.
Integral nonlinearity is guaranteed to 4ppm maximum.
The THD is -122dB.
The MAX11270 communicates via an SPI-compatible serial interface and is available in a small 24-pin TSSOP package.
The MAX11270 offers a 6.
5nV/√Hz noise programmable gain amplifier with gain settings between 1x to 128x.
Optional buffers are also included to provide isolation of the signal inputs from the switched capacitor sampling network.
This allows the MAX11270 to be used with high-impedance sources without compromising available dynamic range.
The MAX11270 operates from a single 2.
7V to 3.
6V analog supply, or split ±1.
8V analog supplies, allowing the analog input to be sampled below ground.
The digital supply range is 2.
0V to 3.
6V, allowing communication with 2.
5V, 3V, or 3.
3V logic.
Applications ●● Scientific Instrumentation ●● High-Precision Portable Sensors ●● Medical Equipment ●● ATE Ordering Information and Functional Diagram appear at end of data sheet.
Typical Application Circuit Features and Benefits ●● High Resolution for Instrumentation Applications that Require a Wide Dynamic Range ∙ 130dB SNR at 1.
9sps ∙ 112dB SNR at 1000sps ∙ 20.
4-Bit Noise-Free Resolution at 1.
9sps ∙ 17.
4-Bit Noise-Free Resolution at 1000sps ●● Longer Battery Life for Portable Applications ∙ 2.
4mA Operating Mode Current ∙ 4.
4mA PGA Low-Noise Mode Current ∙ 1μA Sleep Current ●● High Accuracy for DC Measurements ∙ 1ppm INL (typ), 4ppm (max) ●● Single or Split Analog Supplies Provide Input Voltage Range Flexibility ∙ 2.
7V to 3.
6V (Single Supply) or ±1.
8V (Split Supplies) ●● Flexible High-Performance Filter Architecture Simplifies Design ∙ Programmable SINC Filter ●● Enables System Integration ∙ Low-No...


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