Datasheet > IS31FL3730

IS31FL3730

更新时间： 2024-11-11 12:23:07

品牌	Logo	应用领域
美国芯成 - ISSI		驱动器
页数	文件大小	规格书
13页	501K
描述
AUDIO MODULATED MATRIX LED DRIVER

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IS31FL3730 数据手册

IS31FL3730

AUDIO MODULATED MATRIX LED DRIVER

December 2011

GENERAL DESCRIPTION

FEATURES

IS31FL3730 is a LED matrix driver which features an

audio modulation display mode and a general LED dot

matrix display mode. The default configuration of

IS31FL3730 is to drive a single 8×8 LED matrix.

However, IS31FL3730 may be configured to drive

either one or two 8×8, 7×9, 6×10, or 5×11 dot matrix

display(s). The intensity of any matrix picture can be

modulated by an audio signal.



2.7V to 5.5V supply

I2C interface, automatic address increment

function

Internal reset register

Programmable single or dual 8×8, 7×9, 6×10, or

5×11 LED matrix display mode

One-time programming, internal scan

Audio modulated display intensity with digitally

programmable input gain

Internal registers to digitally adjust display

intensity

Modulate LED brightness with 128 different items

in PWM



In matrix display mode, the rows and columns of the

matrix are internally scanned, requiring only one time

programming of the individual LED on or off state, thus

eliminating the need for real time system resource

utilization to perform the row and column scanning

function.



One address pin with 4 logic levels to allow four

I2C slave addresses

Over-temperature protection

In the general purpose mode, the ON or OFF condition

of each individual LED in the display matrix is

programmed via an I2C interface.



QFN-24 (4mm × 4mm) package

IS31FL3730 is available in QFN-24 (4mm × 4mm). It

operates from 2.7V to 5.5V over the temperature range

of -40°C to +85°C.

APPLICATIONS



Mobile phones and other hand-held devices for

LED display

LED in home appliances

TYPICAL APPLICATION CIRCUIT

Figure 1 Typical Application Circuit Dual 8×8

Note: The IC should be placed far away from the mobile antenna in order to prevent the EMI.

Integrated Silicon Solution, Inc. – www.issi.com

Rev.A, 12/19/2011

12 3 4 5 6 7...13

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