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The MAX22532AAI is an electrically isolated, 4-channel, multiplexed, 12-bit analog-to-digital converter (ADC), belonging to the MAXSafe™ series of products. The integrated isolated DC-DC converter supplies power to all field-end circuits and enables field-end diagnosis even without input signals. The sampling rate of the 12-bit ADC core is 20ksps per channel (typical value). ADC data can be obtained through the SPI interface in either direct or filtered form. According to the Settings, when performing filtering processing, take the average of the last four readings.

Key Features

The MAX22532AAI supports robust detection for multi-channel analog/binary inputs

The SSOP package can withstand 3.5K VRMS isolation for 60 seconds (VISO).

Wide-body SOIC packaging can withstand 5kVRMS isolation for 60 seconds (VISO)

The creepage distance and electrical clearance of the 20-pin or 28-pin SSOP package are 5.5mm

The creepage distance and electrical clearance of the 16-pin wide-body SOIC package are 8mm

Grade II CTI packaging materials

The MAX22532AAI reduces BOM and circuit board space through high integration

Self-power supply at the field end is realized by using the integrated DC-DC power supply

12-bit ADC, with a data rate of 20ksps per channel

Each channel is equipped with a programmable threshold comparator

Data and DC-DC power supplies are isolated

Integrate a 1.8V reference voltage source

• Extend the "uptime" of the system and simplify system design and maintenance

On-site ADC function diagnosis

Continuous power monitoring at the field end

Self-diagnosis of communication system

The MAX22532AAI features flexible control and interfaces

Programmable input upper and lower limit thresholds achieve programmable hysteresis

Provide the comparator output (COUT_) pin to achieve a faster response

SPI interface with CRC option

Precision internal reference voltage ±1% (typical value)

Operating temperature range: -40 °C to +125°C

Application scenarios

The MAX22532AAI is widely used in applications that require electrical isolation and high-precision analog-to-digital conversion, such as:

High-voltage binary input

Substation automation

Distribution automation

Process automation

Motion control

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.