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| TLC5946_16 Datasheet, PDF (9/41 Pages) Texas Instruments – 16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction | |||
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TLC5946
www.ti.com .......................................................................................................................................................... SLVS824B â MARCH 2008 â REVISED JUNE 2008
PARAMETER MEASUREMENT INFORMATION
PIN EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS
VCC
VCC
INPUT
SOUT
GND
Figure 1. SIN, SCLK, GSCLK, XLAT,
BLANK, MODE, XHALF
VCC
GND
Figure 2. SOUT
XERR
IREF
GND
GND
Figure 3. IREF
OUTn
Figure 4. XERR
TEST CIRCUITS
GND
Figure 5. OUT0 Through OUT15
VCC
RL0
VCC
IREF
RIREF
OUTn
GND
CL0(1)
VLED
VCC
VCC
SOUT
GND
CL0(1)
(1) CL0 includes measurement probe and jig
capacitance.
Figure 6. Rise Time and Fall Time Test Circuit for OUTn
(1) CL0 includes measurement probe and jig
capacitance.
Figure 7. Rise Time and Fall Time Test Circuit for SOUT
VCC
RL1
VCC OUT0
VCC
VCC
XERR
GND
CL1(1)
VXERR
IREF
RIREF
OUTn
GND OUT15
VOUTn
VOUTFIX
(1) CL1 includes measurement probe and jig
capacitance.
Figure 8. Rise Time and Fall Time Test Circuit for XERR
Figure 9. Constant Current Test Circuit for OUTn
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TLC5946
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