TLC5940 Datasheet, PDF (8/29 Pages) Texas Instruments – 16 CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5940
SLVS515A – DECEMBER 2004 – REVISED AUGUST 2005
PARAMETER MEASUREMENT INFORMATION
PIN EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS
Resistor values are equivalent resistances, and they are not tested.
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INPUT EQUIVALENT CIRCUIT
(BLANK, XLAT, SCLK, SIN, GSCLK, DCPRG)
VCC
INPUT
400 W
GND
INPUT EQUIVALENT CIRCUIT (IREF)
VCC
INPUT
400 W
100 W
_ ^Amp
+
GND
INPUT EQUIVALENT CIRCUIT (VCC)
INPUT
OUTPUT EQUIVALENT CIRCUIT (SOUT)
23 W
23 W
SOUT
GND
OUTPUT EQUIVALENT CIRCUIT (XERR)
23 W
XERR
GND
OUTPUT EQUIVALENT CIRCUIT (OUT)
OUT
GND
INPUT EQUIVALENT CIRCUIT (VPRG)
INPUT
GND
GND
Figure 1. Input and Output Equivalent Circuits
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