Datasheet > MAX22532

MAX22532

更新时间： 2024-10-04 02:52:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
36页	939K
描述
Field-Side Self-Powered, 4-Channel, 12-bit, Isolated ADC

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MAX22532 数据手册

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MAX22530–MAX22532

Field-Side Self-Powered,

4-Channel, 12-bit, Isolated ADC

General Description

Benefits and Features

The MAX22530–MAX22532 are galvanically isolated, 4-

channel, multiplexed, 12-bit, analog-to-digital converters

(ADC) in the MAXSafe™ family product line. An

integrated, isolated, DC-DC converter powers all field-

side circuitry, and this allows field-side diagnostics even

when no input signal is present.

•

Enable

Analog/Binary Inputs

• Withstands 3.5kV

Robust

Detection

Multichannel

Isolation for 60s (V

) for

ISO

RMS

the SSOP Package

• Withstands 5kV

Isolation for 60s (V

) for

ISO

RMS

the Wide SOIC Package

• 5.5mm of Creepage and Clearance for 20-pin or

28-pin SSOP Package

• 8mm of Creepage and Clearance for 16-pin Wide

SOIC Package

The MAX22530–MAX22532 family continually digitizes

the input voltage on the field-side of an isolation barrier

and transmits the data across the isolation barrier to the

logic-side of the devices where the magnitude of the

input voltage is compared to programmable thresholds.

The 12-bit ADC core has a sample rate of 20ksps (typ)

per-channel. ADC data is available through the SPI

interface either directly or filtered. Filtering averages the

most recent 4 readings depending on the setting.

• Group II CTI Package Material

•

Reduces BOM and Board Space Through High

Integration

• Field-Side Self-Powered with Integrated DC-DC

Supply

• 12-bit, 20ksps Per-Channel ADC

• Programmable Threshold Comparators for each

Channel

• Isolation for both Data and DC-DC Supply

• Integrated 1.8V Reference

Each input has a comparator with programmable high

and low thresholds, and an interrupt is asserted when

any input crosses its programmed level based on the

mode setting. The comparator output pin (COUT_) is

high when the input voltage is above the upper threshold

and low when it is below the lower threshold in digital

input mode. Response time of the comparator to an input

change is less than 75ms (typ) with filtering disabled.

With filtering enabled, the comparator uses the moving

average of the last 4 ADC readings.

•

Increase System “Up Time” and Simplifies System

Design & Maintenance

• Field-Side ADC Functionality Diagnostics

• Field-Side Continuous Power Monitoring

• Communication System Self-Diagnostics

The MAX22530 in a 16-pin wide SOIC package provides

Flexible Control and Interface

• Programmable Upper and Lower Input Threshold

Enable Programmable Hysteresis

• Comparator Output (COUT_) Pins for Fastest

Response

8mm of creepage and clearance, and 5kV

isolation.

RMS

The MAX22531 in a 20-pin SSOP package and the

MAX22532 in a 28-pin SSOP package, both provide

5.5mm of creepage and clearance, and 3.5kV

RMS

• SPI Interface with CRC Option

isolation. All package material has

a minimum

• Precision Internal Reference ±1% (typ)

• -40°C to +125°C Operating Temperature Range

comparative tracking index (CTI) of 400, which gives it a

group II rating in creepage tables.

All devices are rated for operation at ambient

temperatures between -40°C to +125°C.

Safety Regulatory Approvals (Pending)

•

UL According to UL1577

cUL According to CSA Bulletin 5A

Applications

•

High-Voltage Binary Input

Substation Automation

Distribution Automation

Process Automation

Motion Control

Ordering Information appears at the end of the data

sheet.

19-100989; Rev 0; 3/21

12 3 4 5 6 7...36

中文翻译

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与MAX22532相关器件

型号	品牌	获取价格	描述	数据表
MAX22564	ADI	获取价格	Reinforced, Fast, Low-Power, Six-Channel Digital Isolators
MAX22565	ADI	获取价格	快速、低功耗的六通道增强型数字隔离器
MAX225CWI	MAXIM	获取价格	+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX225CWI+	MAXIM	获取价格	5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX225CWI+TG36	MAXIM	获取价格	Line Transceiver, 5 Func, 5 Driver, 5 Rcvr, CMOS, PDSO28, 0.300 INCH, ROHS COMPLIANT, MS-0
MAX225CWI-T	MAXIM	获取价格	Line Transceiver, 5 Func, 5 Driver, 5 Rcvr, CMOS, PDSO28, SOP-28
MAX225EWI	MAXIM	获取价格	+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX225EWI+	MAXIM	获取价格	5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX225EWI+G36	MAXIM	获取价格	Line Transceiver, 5 Func, 5 Driver, 5 Rcvr, CMOS, PDSO28, 0.300 INCH, ROHS COMPLIANT, MS-0
MAX225EWI+TG36	MAXIM	获取价格	Line Transceiver, 5 Func, 5 Driver, 5 Rcvr, CMOS, PDSO28, 0.300 INCH, ROHS COMPLIANT, MS-0

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