TLC5942_16 Datasheet, PDF (5/29 Pages) Texas Instruments – 16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction

Not Recommended for New Designs
TLC5942
www.ti.com
SBVS096B – OCTOBER 2007 – REVISED OCTOBER 2007
SWITCHING CHARACTERISTICS
At VCC = 3.0 V to 5.5 V, T_A = –40°C to +85°C, C_L = 15 pF, R_L = 82 Ω, R_IREF = 1 kΩ, and V_LED = 5.0 V. Typical values at
VCC = 3.3 V and T_A = +25°C, unless otherwise noted.
TLC5942
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
t_R0
Rise time
t_R1
t_F0
Fall time
t_F1
t_D0
GSSOUT (see Figure 9)
DCSOUT (see Figure 10)
OUTn, DCn = 7Fh (see Figure 9)
GSSOUT (see Figure 9)
DCSOUTn (see Figure 10)
OUTn, DCn = 7Fh (see Figure 9)
GSSCLK ↑ – GSSOUT (see Figure 9)
DCSCLK ↑ – DCSOUT (see Figure 10)
16
ns
10
30
16
ns
10
30
25 ns
t_D1
BLANK ↑ – OUT0 current sink off
(see Figure 9)
20
40 ns
t_D2
Propagation delay time
t_D3
GSSCLK ↑ – OUT0, 4, 8, 12
(see Figure 9)
GSSCLK ↑ – OUT1, 5, 9, 13
(see Figure 9)
5
18
40 ns
20
42
73 ns
t_D4
GSSCLK ↑ – OUT2, 6, 10, 14
(see Figure 9)
35
66
106 ns
t_D5
GSSCLK ↑ – OUT3, 7, 11, 15
(see Figure 9)
50
90
140 ns
t_{ON_ERR} Output on-time error
t_OUTON – T_GSSCLK, GSn = 001h,
GSSCLK = 30 MHz (see Figure 9)
–20
10 ns
Copyright © 2007, Texas Instruments Incorporated
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