芯片概述

   DM114是专为LED显示应用所设计的横流驱动芯片。8个输出通道的电流可由一外挂电

阻调整。内建8比特移位缓存器，数据锁存器，以及横流电路组件于硅CMOS芯片上。

芯片特色

●          输出承受电压：17V

●          时钟频率：25MHZ(级联操作)

●          芯片工作电压：3.3V-5.0V

●          COMS兼容输入

●          封装形式：PDIP16, SOP16, SSOP16

●          封装及管脚定义与通用16脚LED横流驱动器ST2221A完全兼容（每个特征值不同）

●          恒流性：（TA=25℃`VDD=5.0V）

芯片间输出电流差异值：Chip-to Chip:±10.0%

                                      Bit-to-Bit:±4.0% @ IOUT=30-90Ma

                                                 ±6.0%@IOUT=20-30Ma

 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℃`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

昆山洛麟(Rolling)电子有限公司是一家销售电子元器件的知名企业，目前与多家生产厂商(国巨，HRS,基美,Propeller,Atmel等)等保持良好的合作关系，在众多客户中 享有良好的声誉。 一贯秉承“务实、诚信、进取、创新”的经营理念，以市场 为向导，以满足客户需求采购为宗旨为客户提供“一站式”采 购方案。经营的产品涉及电阻，二、三极管，电感，钽电容，高 压电容，电解电容，IC，MOS,连接器，单片机，继电器等。力求 成为业界的电子元器件服务供应商。我们的企业精神：城市共济、劳雇一家我们的工作态度：认真负责、肯学肯干我们的服务宗旨：质量、客户至上洛麟电子期待与您共同发展！