TLC5941_17 Datasheet, PDF (5/34 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5941
www.ti.com
SLVS589D – JULY 2005 – REVISED JANUARY 2008
Table 1. Test Parameter Equations
D(%) = ^{IOUTn - IOUTavg _ 0-15} ´ 100
I_{OUTavg _ 0-15}
(1)
D(%) = ^{IOUTavg - IOUT(IDEAL)} ´ 100
I_{OUT(IDEAL )}
(2)
I_{OUT(IDEAL )}
=
31.5
´
ççèæ
1.24V
R _IREF
÷÷øö
(3)
D(% / V) = ^{(IOUTn at VCC = 5.5V) - (IOUTn at VCC = 3.0V)} ´ ¹⁰⁰
(I_OUTn at V_CC = 3.0V)
2.5
(4)
D(% / V) = ^{(IOUTn at VOUTn = 3.0V) - (IOUTn at VOUTn = 1.0V)} ´ ¹⁰⁰
(I_OUTn at V_OUTn = 1.0V)
2.0
(5)
SWITCHING CHARACTERISTICS
V_CC = 3 V to 5.5 V, C_L = 15 pF, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
t_r0
t_r1
t_f0
t_f1
t_pd0
t_pd1
t_pd2
t_pd3
t_pd4
t_d
t_{on_err}
Rise time
Fall time
Propagation delay time
Output delay time
Output on-time error
SOUT
OUTn, V_CC = 5 V, T_A = 60°C, DCn = 3Fh
SOUT
OUTn, V_CC = 5 V, T_A = 60°C, DCn = 3Fh
SCLK - SOUT (see Figure 12)
BLANK - OUT0 (see Figure 12)
OUTn - XERR (see Figure 12)
GSCLK - OUT0 (see Figure 12)
XLAT - I_OUT (dot correction) (see Figure 12)
OUTn - OUT(n+1) (see Figure 12)
t_outon – T_gsclk (see Figure 12), GSn = 01h,
GSCLK = 11 MHz
MIN TYP MAX UNIT
16
ns
10
30
16
ns
10
30
30 ns
60 ns
1000 ns
60 ns
1000 ns
20
30 ns
10
–50
–90 ns
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