Datasheet > MAX7306

MAX7306

更新时间： 2024-09-16 03:15:07

品牌	Logo	应用领域
美信 - MAXIM		驱动器
页数	文件大小	规格书
25页	314K
描述
SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers

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MAX7306 数据手册

19-0836; Rev 0; 6/07

SMBus/I C Interfaced 4-Port, Level-Translating

GPIOs and LED Drivers

General Description

Features

The MAX7306/MAX7307 I²C-/SMBus^™-compatible, seri-

al-interfaced peripherals feature four level-translating

I/Os and operate from a 1.62V to 3.6V power supply.

♦ 1.4V to 5.5V I/O Level Translation Port Supply (V

♦ 1.62V to 3.6V Power Supply

)

♦ Four Individually Configurable GPIO Ports

P1 = Open-Drain I/O

The MAX7307 features a port supply (V ) that allows

level translation on I/O ports to operate from a separate

power supply from 1.4V to 5.5V. The MAX7306 features

an address select input (AD0) to allow up to four unique

slave addresses.

P2, P3, P4 = Push-Pull or Open-Drain I/O

♦ Individual 33-Step PWM Intensity Control

♦ Blink Controls with 15 Steps on Outputs

♦ 1kHz PWM Period Provides Flicker-Free LED

The MAX7306/MAX7307 ports P2, P3, and P4 can be

configured as inputs, push-pull outputs, and open-drain

outputs. Port P1 can be configured as a general-pur-

pose input, open-drain output, or an open-drain INT out-

put. Ports P2 and P3 can be configured as OSCIN and

OSCOUT, respectively. The MAX7306/MAX7307 include

an internal oscillator for PWM, blink, and key debounce,

or to cascade multiple MAX7306/MAX7307s. The exter-

nal clock can be used to set a specific PWM and blink

timing. The RST input asynchronously clears the 2-wire

interface and terminates a bus lockup involving the

MAX7306/MAX7307.

Intensity Control

♦ 25mA (max) Port Output Sink Current (100mA

max Ground Current)

♦ Inputs Overvoltage Protected Up to 5.5V (V

)

♦ Transition Detection with Optional Interrupt Output

♦ Optional Input Debouncing

♦ RST Input Clears Serial Interface, Can Restore

Power-Up Default State, and Synchronizes Blink

Timing

♦ Oscillator Input and Output Enables Cascading

Multiple Devices

All ports configured as output feature 33-step PWM,

allowing any output to be set from fully off, 1/32 to 31/32

duty cycle, to fully on. All output ports also feature LED

blink control, allowing blink periods of 1/8 second, 1/4

second, 1/2 second, 1, 2, 4, or 8 seconds. Any port can

blink during this period with a 1/16 to 15/16 duty cycle.

♦ Low 0.75µA (typ) Standby Current

Ordering Information

TOP

MARK

PKG

CODE

PART

PIN-PACKAGE

MAX7306ALB+

AAL

10 µDFN (2mm x 2mm) L1022-1

The MAX7306/MAX7307 are specified over the -40°C to

+125°C temperature range and are available in 10-pin

µDFN (2mm x 2mm) and 10-pin µMAX^®packages.

Note: All devices are specified over the -40°C to +125°C oper-

ating temperature range.

+Denotes lead-free package.

Applications

LCD/Keypad Backlights

LED Status Indicators

Cell Phones

System I/O Ports

Ordering Information continued at end of data sheet.

Pin Configurations appear at end of data sheet.

SMBus is a trademark of Intel Corp.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Typical Operating Circuit

+1.8V

+4.5V

+2.5V

μC

SDA

SCL

RST

INT

SDA

SCL

RST

INT

SDA

MAX7307

MAX7306

SCL

RST

SCL

RST

P2/OSCIN

P3/OSCOUT

P1/INT

P3/OSCOUT

P1/INT

AD0

GND

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...25

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与MAX7306相关器件

型号	品牌	获取价格	描述	数据表
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
MAX7306ALB+T	MAXIM	获取价格	Interface Circuit, BICMOS, 2 X 2 MM, 0.80 MM HEIGHT, LEAD FREE, MICRO, DFN-10
MAX7306EVCMAXQU+	MAXIM	获取价格	MAX7306 Evaluation Kit/Evaluation System
MAX7306EVKIT	MAXIM	获取价格	MAX7306 Evaluation Kit/Evaluation System
MAX7306EVKIT+	MAXIM	获取价格	MAX7306 Evaluation Kit/Evaluation System
MAX7307	MAXIM	获取价格	SMBus/I2C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers
MAX7307ALB+T	MAXIM	获取价格	Interface Circuit, BICMOS, 2 X 2 MM, 0.80 MM HEIGHT, LEAD FREE, MICRO, DFN-10
MAX7307AUB+T	MAXIM	获取价格	Interface Circuit, BICMOS, PDSO10, LEAD FREE, MO-187, MICRO, SOP-10

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