Datasheet Texas Instruments HPA00479PWPR — 数据表

TLC5946
www.ti.com . SLVS824B – MARCH 2008 – REVISED JUNE 2008 16-Channel, 12-Bit PWM LED Driver with
6-Bit Dot Correction
FEATURES APPLICATIONS 1 23 16 Channels, Constant Current Sink Output
40-mA Capability (Constant Current Sink)
12-Bit (4096 Steps) Grayscale PWM Control
6-Bit (64 Steps) Dot Correction
LED Power-Supply Voltage up to 17 V
VCC = 3.0 V to 5.5 V
Constant Current Accuracy:
– Channel-to-Channel = ±1% (typ)
– Device-to-Device = ±2% (typ)
30-MHz Data Transfer Rate
33-MHz Grayscale PWM Clock
Extended Serial Interface
CMOS Level I/O
Schmitt Buffer Input
Readable Error Information:
– Continuous Base LED Open Detection
(LOD)
– Thermal Error Flag (TEF)
Noise Reduction:
– 4-Channel Grouped Delay …