Datasheet Texas Instruments TLC5948APWPR — 数据表

TLC5948A
www.ti.com SBVS192A – MARCH 2012 – REVISED DECEMBER 2012 16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for
7-Bit DC and 7-Bit Global BC LED Lamp
Check for Samples: TLC5948A FEATURES 1 23 16 Constant-Current Sink Output Channels
Sink Current Capability with Maximum DC and
BC Data:
– 2 mA to 45 mA (VCC ≤ 3.6 V)
– 2 mA to 60 mA (VCC > 3.6 V)
Dot Correction (DC):
– 7-Bit (128 Steps) with 0% to 100% Range
Global Brightness Control (BC):
– 7-Bit (128 Steps) with 25% to 100% Range
Grayscale Control (GS) with Enhanced
Spectrum or Conventional PWM:
– 16-Bit (65,536 Steps)
LED Power-Supply Voltage: Up to 10 V
VCC: 3.0 V to 5.5 V
Constant-Current Accuracy:
– Channel-to-Channel: ±0.6% (typ), ±2% (max)
– Device-to-Device: ±1% (typ), ±4% (max)
Data Transfer Rate: 33 MHz
Grayscale Control Clock: 33 MHz
Auto Display Repeat and Auto Data Refresh …