
NXP Semiconductors
PCA9922
8-channel constant current LED driver with output error detection
t w(OE)
OE
LEDn
LE
LEDn
CLK
LEDn
50 %
t PD(OE-LEDH)
t PD(OE-LEDL)
t w(LE)
50 %
t PD(LEH-LEDH)
t PD(LEH-LEDL)
50 %
t PD(CLKH-LEDH)
t PD(CLKH-LEDL)
50 %
50 %
50 %
50 %
t PD(OE-LEDH)
t PD(OE-LEDL)
50 %
50 %
50 %
002aad211
Fig 14. Timing 2
PCA9922
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 6 April 2011
? NXP B.V. 2011. All rights reserved.
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