Click here to ask an associate for production status of specific part numbers. Field-Side Self-Powered, MAX22530 MAX22532 4-Channel, 12-bit, Isolated ADC Process Automation General Description Motion Control The MAX22530MAX22532 are galvanically isolated, 4- Benefits and Features channel, multiplexed, 12-bit, analog-to-digital converters (ADC) in the MAXSafe family product line. An Enable Robust Detection of Multichannel integrated, isolated, DC-DC converter powers all field- Analog/Binary Inputs side circuitry, and this allows field-side diagnostics even Withstands 3.5kV Isolation for 60s (V ) for the RMS ISO when no input signal is present. SSOP Package Withstands 5kV Isolation for 60s (V ) for the The MAX22530MAX22532 family continually digitizes RMS ISO the input voltage on the field-side of an isolation barrier Wide SOIC Package and transmits the data across the isolation barrier to the 5.5mm of Creepage and Clearance for 20-pin or 28- logic-side of the devices where the magnitude of the pin SSOP Package input voltage is compared to programmable thresholds. 8mm of Creepage and Clearance for 16-pin Wide The 12-bit ADC core has a sample rate of 20ksps (typ) SOIC Package per-channel. ADC data is available through the SPI Group II CTI Package Material interface either directly or filtered. Filtering averages the Reduces BOM and Board Space Through High most recent 4 readings depending on the setting. Integration Field-Side Self-Powered with Integrated DC-DC Each input has a comparator with programmable high Supply and low thresholds, and an interrupt is asserted when 12-bit, 20ksps Per-Channel ADC any input crosses its programmed level based on the Programmable Threshold Comparators for each mode setting. The comparator output pin (COUT ) is Channel high when the input voltage is above the upper threshold Isolation for both Data and DC-DC Supply and low when it is below the lower threshold in digital Integrated 1.8V Reference input mode. Typical response time of the comparator to Increase System Up Time and Simplifies System an input change is less than 75s with filtering disabled. Design & Maintenance With filtering enabled, the comparator uses the moving Field-Side ADC Functionality Diagnostics average of the last 4 ADC readings. Field-Side Continuous Power Monitoring The MAX22530 in a 16-pin wide SOIC package provides Communication System Self-Diagnostics 8mm of creepage and clearance, and 5kVRMS isolation. Flexible Control and Interface The MAX22531 in a 20-pin SSOP package and the Programmable Upper and Lower Input Threshold MAX22532 in a 28-pin SSOP package, both provide Enable Programmable Hysteresis 5.5mm of creepage and clearance, and 3.5kVRMS Comparator Output (COUT ) Pins for Fastest isolation. All package material has a minimum Response comparative tracking index (CTI) of 400, which gives it a SPI Interface with CRC Option group II rating in creepage tables. Precision Internal Reference 1% (typ) All devices are rated for operation at ambient -40C to +125C Operating Temperature Range temperatures between -40C to +125C. Safety Regulatory Approvals Applications UL According to UL1577 High-Voltage Binary Input cUL According to CSA Bulletin 5A Substation Automation Ordering Information appears at the end of the data Distribution Automation sheet. 19-100989 Rev 1 9/21 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 2021 Analog Devices, Inc. All rights reserved. MAX22530MAX22532 Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC Four-Channel Isolated ADC NOTE *: COUT1 AND COUT2 ARE FOR MAX22531 COUT1, COUT2, COUT3, AND COUT4 ARE FOR MAX22532 REF VDDL = 3.3V MAX22530/MAX22531/MAX22532 INPUT REFERENCE VREF = 1.8V COUT * AIN1 INT AIN2 12-BIT ADC CS MCU AIN3 LOGIC AND SPI AIN4 SCLK INTERFACE SDI AGND LOGIC CONTROL SDO V = 3.3V DDPL POWER ISOLATED V DDF DC-DC CDDF GNDF GNDL TABLE OF CONTENTS General Description ................................................................................................................................................................. 1 Applications .............................................................................................................................................................................. 1 Benefits and Features .............................................................................................................................................................. 1 Safety Regulatory Approvals ................................................................................................................................................... 1 Four-Channel Isolated ADC ..................................................................................................................................................... 2 Absolute Maximum Ratings ..................................................................................................................................................... 6 Package Information ................................................................................................................................................................ 6 16 W SOIC ........................................................................................................................................................................... 6 20 SSOP .............................................................................................................................................................................. 6 28 SSOP .............................................................................................................................................................................. 6 Electrical Characteristics .......................................................................................................................................................... 7 Timing Diagram ........................................................................................................................................................................ 8 Insulation Characteristics ....................................................................................................................................................... 10 16-pin Wide SOIC .............................................................................................................................................................. 10 20-pin and 28-pin SSOP .................................................................................................................................................... 10 ESD and Transient Immunity Characteristics ....................................................................................................................... 11 Typical Operating Characteristics .......................................................................................................................................... 12 Pin Configurations .................................................................................................................................................................. 13 www.analog.com Analog Devices 2