TLC5947 Datasheet, PDF (3/27 Pages) Texas Instruments – 24-Channel, 12-Bit PWM LED Driver with

TLC5947
www.ti.com ................................................................................................................................................. SBVS114A – JULY 2008 – REVISED SEPTEMBER 2008
RECOMMENDED OPERATING CONDITIONS
At T_A= –40°C to +85°C, unless otherwise noted.
PARAMETER
DC Characteristics: V_CC = 3 V to 5.5 V
V_CC
Supply voltage
V_O
Voltage applied to output
V_IH
High-level input voltage
V_IL
Low-level input voltage
I_OH
High-level output current
I_OL
Low-level output current
I_OLC
Constant output sink current
T_A
Operating free-air temperature
range
T_J
Operating junction temperature
AC Characteristics: V_CC = 3 V to 5.5 V
f_SCLK
Data shift clock frequency
T_WH0
T_WL0
T_WH1
T_SU0
T_SU1
T_SU2
T_H0
T_H1
Pulse duration
Setup time
Hold time
TEST CONDITIONS
OUT0 to OUT23
SOUT
SOUT
OUT0 to OUT23
SCLK, Standalone operation
SCLK, Duty 50%, cascade operation
SCLK = High-level pulse width
SCLK = Low-level pulse width
XLAT, BLANK High-level pulse width
SIN–SCLK↑
XLAT↑–SCLK↑
XLAT↑–BLANK↓
SIN–SCLK↑
XLAT↑–SCLK↑
TLC5947
MIN
NOM
3.0
0.7 × V_CC
GND
2
–40
–40
12
10
30
5
100
30
3
10
MAX
5.5
30
V_CC
0.3 × V_CC
–3
3
30
+85
+125
30
15
UNIT
V
V
V
V
mA
mA
mA
°C
°C
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TLC5947
Submit Documentation Feedback
3