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TLC5946_17 Datasheet, PDF (3/41 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
RECOMMENDED OPERATING CONDITIONS
At TA= â40°C to +85°C, unless otherwise noted.
PARAMETER
TEST CONDITIONS
DC Characteristics: VCC = 3 V to 5.5 V
VCC
Supply voltage
VO
Voltage applied to output
VIH
High-level input voltage
VIL
Low-level input voltage
IOH
High-level output current
IOL
Low-level output current
OUT0 to OUT15
SOUT
SOUT
XERR
IOLC
Constant output sink current
OUT0 to OUT15, DC = 3Fh
TA
Operating free-air temperature
range
TJ
Operating junction temperature
AC Characteristics: VCC = 3 V to 5.5 V
fCLK (sclk)
Data shift clock frequency
SCLK, XHALF = H
GSCLK, XHALF = L
fCLK (gsclk)
TWH0 / TWL0
TWH1 / TWL1
TWH2
TWH3
TSU0
TSU1
Grayscale control clock frequency
SCLK pulse duration
GSCLK pulse duration
XLAT pulse duration
BLANK pulse duration
GSCLK
SCLK = H/L (see Figure 12)
GSCLK = H/L (see Figure 12)
XLAT = H (see Figure 12)
BLANK = H (see Figure 12)
SINâSCLKâ (see Figure 12)
XLATââSCLKâ
(see Figure 38, Figure 12)
TSU2
TSU3
TSU4
TSU5
TSU6
Setup time
MODEâSCLKâ (see Figure 12)
MODEâXLATâ (see Figure 12)
BLANKââGSCLKâ (see Figure 12)
XLATââGSCLKâ (see Figure 12)
SCLKââXLATâ
(see Figure 38, Figure 12)
TH0
SINâSCLKâ (see Figure 12)
TH1
Hold time
MODEâSCLKâ (see Figure 12)
TH2
MODEâXLATâ (see Figure 12)
AC Characteristics: VCC = 3 V to 5.5 V, XHALF = L
TWL2
XLAT pulse duration
XLAT = L (see Figure 38)
TSU7
Setup time
BLANKââXLATâ (see Figure 38)
TH3
Hold time
BLANKââXLATâ (see Figure 38)
TLC5946
MIN
NOM
MAX
3.0
0.7 Ã VCC
GND
4
â40
â40
5.5
17
VCC
0.3 Ã VCC
â1
1
5
40
+85
+125
30
15
33
10
10
20
20
5
100
10
10
10
30
10
3
10
100
20
20
20
UNIT
V
V
V
V
mA
mA
mA
mA
°C
°C
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TLC5946
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