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IS31FL3728 Datasheet

Part Number IS31FL3728
Manufacturers ISSI
Logo ISSI
Description AUDIO MODULATED MATRIX LED DRIVER
Datasheet IS31FL3728 DatasheetIS31FL3728 Datasheet (PDF)

IS31FL3728 AUDIO MODULATED MATRIX LED DRIVER December 2011 GENERAL DESCRIPTION IS31FL3728 is a general purpose 8×8 LED matrix driver which features an audio frequency equalizer (EQ) mode or a general LED dot matrix display mode. The general LED matrix display defaults to an 8×8 configuration, however, it can be configured for a 5×11, 6×10, 7×9 dot matrix display. The matrix picture brightness can be modulated by audio. In either the audio EQ mode or matrix display mode, the array is internally s.

  IS31FL3728   IS31FL3728






Part Number IS31FL3726
Manufacturers ISSI
Logo ISSI
Description 16-BIT COLOR LED DRIVER
Datasheet IS31FL3728 DatasheetIS31FL3726 Datasheet (PDF)

IS31FL3726 16-BIT COLOR LED DRIVER WITH PWM CONTROL January 2012 GENERAL DESCRIPTION The IS31FL3726 is comprised of constant-current drivers designed for color LEDs. The output current value can be set using an external resistor. The output current value can be adjusted from 5mA to 60mA through the external resistor. As a result, all outputs will have virtually the same current levels. This driver incorporates 16-bit constant t-current outputs, a 16-bit shift register, a 16-bit latch and a 16-bi.

  IS31FL3728   IS31FL3728







AUDIO MODULATED MATRIX LED DRIVER

IS31FL3728 AUDIO MODULATED MATRIX LED DRIVER December 2011 GENERAL DESCRIPTION IS31FL3728 is a general purpose 8×8 LED matrix driver which features an audio frequency equalizer (EQ) mode or a general LED dot matrix display mode. The general LED matrix display defaults to an 8×8 configuration, however, it can be configured for a 5×11, 6×10, 7×9 dot matrix display. The matrix picture brightness can be modulated by audio. In either the audio EQ mode or matrix display mode, the array is internally scanned, and requires only one-time programming, thus eliminating the need for real time system resource utilization. It programs the LED array through I2C interface. In the general purpose display mode, each dot of the LED array is independently programmed on or off over time. In the audio EQ mode, the X axis (column) represents the frequency bands while the Y axis (row) represents the strength of the input audio signal in each band. The number of LEDs lit in a column is proportional to the strength of the audio signal in the corresponding band in a thermometer-coded manner. IS31FL3728 is available in 24-pin QFN (4mm × 4mm). It operates from 2.7V to 5.5V over the temperature range of -40°C to +85°C. FEATURES             5~8 current source outputs for row control 8~11 outputs for column scan control Programmable 8×8, 7×9, 6×10, 5×11 matrix One-time programming, internal scan Full scale LED current controlled by internal register setting or audio signal Audio frequency EQ dis.


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