ST2221A - 8-Bit CONSTANT CURRENT LED DRIVERS

Product Overview

SiTI

Part number	ST2221A
Manufacturer	SiTI
File Size	192.09 KB
Description	8-Bit CONSTANT CURRENT LED DRIVERS
Datasheet	ST2221A Datasheet
Additional preview pages of the ST2221A datasheet.

The ST2221A is specifically designed for LED and LED DISPLAY constant current drivers.

The value of constant current can be varied using an external resistor (Iout = 5 ~90mA).

The devices include an 8-bit shift registers, latches, and constant current drivers on a single Silicon CMOS chip.

z Constant Current Output : Current with one resistor for 5mA to 90mA z Maximum Clock Frequency : 25MHz (Cascade Operation) z 5V CMOS Compatible Input z Package : PDIP16,SOP16,SSOP16 z Constant Current Matching: (Ta = 25°C、VDD = 5.0V) Bit-to-Bit : ± 6%、Chip-to-Chip : ± 10%、 @ IOUT = 5 ~ 40mA Bit-to-Bit : ± 6%、Chip-to-Chip : ± 10%、 @ IOUT = 40 ~ 90mA 8-BIT.

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Published: Jul 6, 2016 |