DM135 datasheet(2/20 Pages) SITI

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DM134

、DM135、DM136

點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

16-Bit Constant Current LED Drivers

-1-

Version

：A.013

DM134、DM135、DM136

16-Bit Constant Current LED Drivers

General Description

The DM134、DM135、DM136 are constant current drivers specifically designed for LED

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

devices include a 16-bit shift register, latches, and constant current drivers on a single Silicon

CMOS chip.

Features

5V CMOS Compatible Input

Maximum Clock Frequency: 25MHz (Cascade Operation)

Maximum Output Voltage:

17V

Package:

DIP24, SOP24, SSOP24, QFN32,

TSSOP24-exposedPAD(DM135)

Package and Pin Layout:

Pin layout and functionality are similar to those of the ST2221C.

(Each characteristic value is different.)

Constant Current Matching: (Ta = 25

°C、VDD = 5.0V)

Chip-to-Chip:

± 10.0%

Bit-to-Bit:

DM134:

± 4.0% @ IOUT = 30 ~ 90mA

± 6.0% @ IOUT = 20 ~ 30mA

DM135:

± 4.0% @ IOUT = 10 ~ 50mA

± 6.0% @ IOUT = 5 ~ 10mA

DM136:

± 4.0% @ IOUT = 3 ~ 15mA

DM135 数据表(PDF) 2 Page - Silicon Touch Technology Inc.

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