DM134 SSOP24 SITI 16 bit constant current drive IC LED chip linear driver

Product Descriptions

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.

Product 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) o-Chip: ± 10.0 percent

Bit-to-Bit:

DM134: ± 4.0 percent @ IOUT = 30 ~ 90mA,± 6.0 percent @ IOUT = 20 ~ 30mA  

DM135: ± 4.0 percent @ IOUT = 10 ~ 50mA,± 6.0 percent @ IOUT = 5 ~ 10mA  

DM135: ± 4.0 percent @ IOUT = 3 ~ 15mA

Specifications

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