Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsData collecting ICsData acquisition IC - AD converter (ADC) External QSOP 16

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7Maxim Integrated

18-Bit, Single-Channel, Ultra-Low-Power, Delta-

Sigma ADCs with Programmable Gain and GPIO

MAX11209/MAX11211

Functional Diagram

TIMING

CLOCK GENERATOR

DIGITAL LOGIC

AND SERIAL-

INTERFACE

CONTROLLER

3RD-ORDER

DELTA-SIGMA

MODULATOR

SCLK

DIN

CLK

GPIO

CS

RDY/DOUT

GPIO1

GPIO2

GPIO3

GPIO4

AVDD

REFP

REFN

AINP

AINN

DVDD

GND

*PROGRAMMABLE GAIN ONLY AVAILABLE ON THE MAX11209.

DIGITAL FILTER

(SINC

4

)

PROGRAMMABLE

GAIN*

1–128

MAX11209*

MAX11211