DM114 데이터 시트보기 (PDF) - Silicon Touch Technology Inc.

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DM114

8-Bit CONSTANT CURRENT LED DRIVERS

Silicon Touch Technology Inc. 

點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

DM114、DM115

DM114、DM115

8-Bit CONSTANT CURRENT LED DRIVERS with

3.3v ~ 5v Supply Voltage

General Description

The DM114、DM115 is the constant current driver specifically designed for LED display

applications. The value of constant current can be varied using an external resistor. The devices

include an 8-bit shift register, latches, and constant current drivers on a single Silicon CMOS chip.

Features

Maximum Output Voltage: 17V

Maximum Clock Frequency: 25MHz (Cascade Operation)

Power Supply Voltage:

3.3V to 5.0V

CMOS Compatible Input

Package:

PDIP16, SOP16, SSOP16

Package and Pin Layout: Pin layout and functionality are similar to those of the ST2221A.

(Each characteristic value is different.)

Constant Current Matching: (Ta = 25°C、VDD = 5.0V)

Chip-to-Chip: ± 10.0%

DM114: Bit-to-Bit: ± 4.0% @ IOUT = 30 ~ 90mA

± 6.0% @ IOUT = 20 ~ 30mA

DM115: Bit-to-Bit: ± 4.0% @ IOUT = 20 ~ 60mA

± 6.0% @ IOUT = 5 ~ 20mA

8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage

Preliminary

Version:A.002

Page 1

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