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Product Descriptions

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.

Product 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 PERCENT

DM114: Bit-to-Bit:  ± 4.0 PERCENT @ IOUT = 30 ~ 90mA  ± 6.0 PERCENT @ IOUT = 20 ~ 30mA

M115:  Bit-to-Bit:  ± 4.0 PERCENT @ IOUT = 20 ~ 60mA ± 6.0 PERCENT @ IOUT = 5 ~ 20mA 

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