PCAL9722_带敏捷I/O功能的22位SPI I/O扩展器 | NXP 半导体

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带敏捷I/O功能的22位SPI I/O扩展器

PCAL9722
正常供应

滚动图片以放大

PCAL9722是一款具有SPI接口的超低压22位I/O扩展器和转换器，适用于要求将输入和输出扩展到现有微处理器并缩短设计周期的各种应用。集成敏捷I/O功能，进一步实现灵活且可配置的设计，包括推挽或开漏输出、中断状态寄存器、4种不同的输出驱动强度、上拉和下拉电阻的使能和电阻选择器以及中断屏蔽选项。

框图

PCAL9722

PCAL9722 Block Diagram
获取框图PDF

特性

高通道数扩展

  • 首款采用SPI的22位通用IO

高度可配置的敏捷I/O功能

  • 推挽或开漏输出
  • 中断状态寄存器
  • 4种不同的输出驱动强度
  • 上拉和下拉电阻的使能和电阻选择器
  • 中断屏蔽选项

稳健的特性

  • 施密特触发动作允许缓慢的输入转换和更好的切换噪声抗性
  • 5.5V容限电压的I/O端口和SPI总线引脚
  • SPI输入端提供噪音滤波器
  • 闭锁性能超过JESD 78 Class II规定的100mA
  • ESD保护超过JESD 22

购买/参数

2 结果

包含 0 不推荐用于新设计

部件

展开描述

订购

计算机辅助设计模型

预算报价（不含税）

状态

Number of bits

输入电压[最小到最大]（V）

接口

Operating Temperature (Min-Max) (℃)

封装类型

Output Mode

Max Sink Current per bit (mA)

Source Current per bit (mA)

Interrupt

Reset input pin

Frequency (Max) (kHz)

PCAL9722HN
数据手册
1K @ CNY4.16

正常供应

22

1.1 to 5.5

SPI

-40 to 85

HVQFN32

open-drain, totem pole

25

10

Y

Y

5000

PCAL9722HN/Q900
数据手册
1K @ CNY4.95

正常供应

22

1.1 to 5.5

SPI

-40 to 125

HVQFN32

open-drain, totem pole

25

10

Y

Y

5000

N true 0 PSPPCAL9722zh 2 数据手册 Data Sheet t520 1 选型指南 Selector Guide t528 1 zh zh zh 数据手册 Data Sheet 1 1 1.1 English The PCAL9722 is a 22-bit general purpose I/O expander that provides remote I/O expansion for most microcontroller families via the SPI interface. 1682972344235717424479 PSP 791.6 KB None None documents None 1682972344235717424479 /docs/en/data-sheet/PCAL9722.pdf 791603 /docs/en/data-sheet/PCAL9722.pdf PCAL9722 documents N N 2023-05-01 PCAL9722: Ultra Low-Voltage Translating 22-Bit SPI I/O Expander with Agile I/O Features, Interrupt Output and Reset Data Sheet /docs/en/data-sheet/PCAL9722.pdf /docs/en/data-sheet/PCAL9722.pdf Data Sheet N 980000996212993340 2023-07-12 pdf N en May 1, 2023 980000996212993340 Data Sheet Y N PCAL9722: Ultra Low-Voltage Translating 22-Bit SPI I/O Expander with Agile I/O Features, Interrupt Output and Reset Data Sheet 选型指南 Selector Guide 1 2 0 Japanese A broad catalog of interface components for all your design needs 1464843144333730804447ja PSP 1.7 MB None None documents None 1464843144333730804447 /docs/ja/product-selector-guide/I2CSELECTORBROC.pdf 1704771 /docs/ja/product-selector-guide/I2CSELECTORBROC.pdf I2CSELECTORBROC documents N N 2017-07-03 NXP System Management I²C, I3C and SPI Selector Guide /docs/ja/product-selector-guide/I2CSELECTORBROC.pdf /docs/ja/product-selector-guide/I2CSELECTORBROC.pdf Selector Guide N 553557935274807777 2025-03-24 ja Jan 4, 2022 553557935274807777 Selector Guide Y N システム・マネジメントI2C, I3C, SPIセレクタ・ガイド 8 English A broad catalog of interface components for all your design needs. 1464843144333730804447 PSP 1.7 MB None None documents None 1464843144333730804447 /docs/en/product-selector-guide/I2CSELECTORBROC.pdf 1704771 /docs/en/product-selector-guide/I2CSELECTORBROC.pdf I2CSELECTORBROC documents N N 2017-07-03 NXP System Management I²C, I3C and SPI Selector Guide /docs/en/product-selector-guide/I2CSELECTORBROC.pdf /docs/en/product-selector-guide/I2CSELECTORBROC.pdf Selector Guide N 553557935274807777 2025-03-24 pdf N en Mar 21, 2025 updated 553557935274807777 Selector Guide Y N NXP System Management I²C, I3C and SPI Selector Guide false 0 PCAL9722 downloads zh-Hans true 1 Y PSP Y Y 数据手册 1 /docs/en/data-sheet/PCAL9722.pdf 2023-05-01 1682972344235717424479 PSP 1 May 1, 2023 Data Sheet The PCAL9722 is a 22-bit general purpose I/O expander that provides remote I/O expansion for most microcontroller families via the SPI interface. None /docs/en/data-sheet/PCAL9722.pdf English documents 791603 None 980000996212993340 2023-07-12 N /docs/en/data-sheet/PCAL9722.pdf PCAL9722: Ultra Low-Voltage Translating 22-Bit SPI I/O Expander with Agile I/O Features, Interrupt Output and Reset Data Sheet /docs/en/data-sheet/PCAL9722.pdf documents 980000996212993340 Data Sheet N en None Y pdf 1.1 N N PCAL9722: Ultra Low-Voltage Translating 22-Bit SPI I/O Expander with Agile I/O Features, Interrupt Output and Reset Data Sheet 791.6 KB PCAL9722 N 1682972344235717424479 选型指南 1 /docs/en/product-selector-guide/I2CSELECTORBROC.pdf 2017-07-03 1464843144333730804447 PSP 2 Mar 21, 2025 Selector Guide A broad catalog of interface components for all your design needs. None /docs/en/product-selector-guide/I2CSELECTORBROC.pdf English documents 1704771 None 553557935274807777 2025-03-24 N /docs/en/product-selector-guide/I2CSELECTORBROC.pdf NXP System Management I²C, I3C and SPI Selector Guide /docs/en/product-selector-guide/I2CSELECTORBROC.pdf documents 553557935274807777 Selector Guide N updated en None Y pdf 8 N N NXP System Management I²C, I3C and SPI Selector Guide 1.7 MB I2CSELECTORBROC N 1464843144333730804447 true Y Products

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