Description
The DM134、DM135、DM136 are constant current drivers specifically designed for LED display applications..
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.