Datasheet

MAX11190 4-Channel, Dual, Simultaneous Sampling,
2.2V to 3.6V, 12-Bit, 3Msps SAR ADC in Tiny
3mm x 3mm TQFN Package
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TABLE OF CONTENTS
General Description ............................................................................ 1
Applications .................................................................................. 1
Benefits and Features .......................................................................... 1
Functional Diagram ............................................................................ 1
Absolute Maximum Ratings ...................................................................... 4
Package Thermal Characteristics ................................................................. 4
Electrical Characteristics ........................................................................ 4
Typical Operating Characteristics ................................................................. 8
Pin Configuration ............................................................................. 10
Pin Description ............................................................................... 10
Typical Operating Circuit ........................................................................11
Detailed Description........................................................................... 12
Serial Interface .............................................................................12
Analog Input ...............................................................................12
ADC Transfer Function .......................................................................13
Operation Modes ...........................................................................13
Power-Down Mode .......................................................................13
Entering Power-Down Mode ................................................................13
Exiting Power-Down Mode .................................................................14
Supply Current vs. Sampling Rate ..............................................................14
Dual-Channel Operation .....................................................................15
14-Cycle Conversion Mode ...................................................................15
Applications Information........................................................................ 15
Layout,Grounding,andBypassing .............................................................15
Choosing an Input Amplifier ..................................................................15
Choosing a Reference .......................................................................16
Definitions................................................................................... 17
Integral Nonlinearity .........................................................................17
Differential Nonlinearity.......................................................................17
Offset Error ................................................................................17
Gain Error .................................................................................17
Aperture Jitter ..............................................................................17
Aperture Delay .............................................................................17
Aperture Delay Matching .....................................................................17
Signal-To-Noise Ratio (SNR) ..................................................................17
Signal-To-Noise Ratio and Distortion (SINAD).....................................................17
Total Harmonic Distortion .....................................................................17
Spurious-Free Dynamic Range (SFDR) ..........................................................17