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SA8803

Part Number	SA8803
Manufacturer	Sames
Description	LIGHT EMITTING DIODE DRIVER
Published	May 18, 2005
Detailed Description	sames SA8803 LIGHT EMITTING DIODE DRIVER FEATURES n Drives 24 LED's under control of Serial n 11 Bit Information word ...
Datasheet	SA8803 PDF File

Overview

sames SA8803 LIGHT EMITTING DIODE DRIVER FEATURES n Drives 24 LED's under control of Serial n 11 Bit Information word controls up to 192 LED's (using eight SA8803s) Interface n Light Emitting Diode intensity n Readback of LED status programmable using a single resistor n Requires a local clock of 8 times the data rate n Automatic lamp test facility on reset (MRST) n Constant current from power supply option n Minimal external components n LED intensity constant, regardless of number of LED's illuminated PIN CONNECTIONS DESCRIPTION The block Diagram of the SA8803 is shown in Fig.
1.
A control word is clocked into the device via the DATA pin with a local clock provided to pin CLK.
The contro...

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