Datasheet > MAX7304

MAX7304

更新时间： 2024-09-17 14:58:03

品牌	Logo	应用领域
亚德诺 - ADI		驱动驱动器
页数	文件大小	规格书
28页	1449K
描述
I2C接口、16端口、电平转换GPIO和LED驱动器，内置ESD保护

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中文翻译

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数据手册

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MAX7304 数据手册

MAX7304

I C-Interfaced 16-Port,

Level-Translating GPIO and LED Driver

with High Level of Integrated ESD Protection

General Description

Features

The MAX7304 consists of 16 port GPIOs, with 12 push-

pull GPIOs and four open-drain GPIOs configurable as

PWM-controlled LED drivers. The device supports a

1.62V to 3.6V separate power supply for level translation.

An address-select input (AD0) allows up to four unique

slave addresses for the device.

S Four LED Driver Pins on PORT15–PORT12

S Integrated High-ESD Protection

8kV IEC 61000-4-2 Contact Discharge

15kV IEC 61000-4-2 Air-ꢀaꢁ Discharge

S 5V Tolerant, Oꢁen-Drain I/O Ports Caꢁable of

Constant-Current LED Drive

Each GPIO can be programmed to one of the two

externally applied logic voltage levels. PORT15–PORT12

can also be configured as LED drivers that feature

constant-current sinks and PWM intensity control with the

internal oscillator. The maximum constant-current level for

each open-drain LED port is 20mA. The intensity of the

LED on each open-drain port can be individually adjusted

through a 256-step PWM control. The port also features

LED fading.

S 256-Steꢁ PWM Individual LED Intensity-Control

Accuracy

S Individual LED Blink Rates and Common LED

Fade-In/Out Rates from 256ms to 4096ms

S User-Configurable Debounce Time (1ms to 32ms)

S Configurable Edge-Triggered Port Interruꢁt (INT)

S 1.62V to 3.6V Oꢁerating Suꢁꢁly Voltage

The same index rows and columns in the device can be

used as a direct logic-level translator.

S Individually Programmable ꢀPIOs to Two Logic

Levels

The device is offered in a 24-pin (3.5mm x 3.5mm) TQFN

package with an exposed pad, and a small 25-bump

(2.159mm x 2.159mm) wafer-level package (WLP) for

cell phones, pocket PCs, and other portable consumer

electronic applications.

S 8-Channel Individual Programmable Level

Translators

S Suꢁꢁorts Hot Insertion

S 400kbꢁs, 5.5V Tolerant I²C Serial Interface with

Selectable Bus Timeout

The device operates over the -40NC to +85NC extended

temperature range.

Ordering Information appears at end of data sheet.

Applications

Cell Phones

For related parts and recommended products to use with this part,

refer to www.maximintegrated.com/MAX7304.related.

Notebooks

PDAs

Typical Operating Circuit

Handheld Games

Portable Consumer Electronics

+1.8V +2.6V

PORT0

PORT1

GPIO

+5V

MAX7304

INT

MCU

SDA

SCL

PORT13

PORT14

PORT15

AD0

GND

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

19-5949; Rev 2; 5/15

12 3 4 5 6 7...28

中文翻译

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与MAX7304相关器件

型号	品牌	获取价格	描述	数据表
MAX7304_12	MAXIM	获取价格	I2C-Interfaced 16-Port,Level-Translating GPIO and LED Driver
MAX7304ETG+	MAXIM	获取价格	I2C-Interfaced 16-Port,Level-Translating GPIO and LED Driver
MAX7304ETG+T	MAXIM	获取价格	Interface Circuit, BICMOS, PDSO24, 3.50 X 3.50 MM, ROHS COMPLIANT, TQFN-24
MAX7304EWA+	MAXIM	获取价格	I2C-Interfaced 16-Port,Level-Translating GPIO and LED Driver
MAX7304PMB1	MAXIM	获取价格	MAX7304PMB1 Peripheral Module
MAX7306	MAXIM	获取价格	SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers
MAX7306	ADI	获取价格	SMBus/I2C接口、4端口电平转换GPIO和LED驱动器
MAX7306_10	MAXIM	获取价格	SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers
MAX7306ALB	MAXIM	获取价格	SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers
MAX7306ALB+	MAXIM	获取价格	SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers

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