TLC5945 Datasheet, PDF (5/29 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

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Table 1. Test Parameter Equations
D(%) = ^{IOUTn - IOUTavg _ 0-15} ´ 100
I_{OUTavg _ 0-15}
D(%) = ^{IOUTavg - IOUT(IDEAL)} ´ 100
I_{OUT(IDEAL )}
I_{OUT(IDEAL )}
=
31.5
´
ççèæ
1.24V
R _IREF
÷÷øö
D(% / V) = ^{(IOUTn at VCC = 5.5V) - (IOUTn at VCC = 3.0V)} ´ ¹⁰⁰
(I_OUTn at V_CC = 3.0V)
2.5
D(% / V) = ^{(IOUTn at VOUTn = 3.0V) - (IOUTn at VOUTn = 1.0V)} ´ ¹⁰⁰
(I_OUTn at V_OUTn = 1.0V)
2.0
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_{on_err}
Rise time
Fall time
Propagation 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 6)
BLANK - OUTn (see Figure 6)
OUTn - XERR (see Figure 6)
GSCLK - OUTn (see Figure 6)
XLAT - I_OUT (dot correction) (see Figure 6)
t_outon– T_gsclk (see Figure 6), GSn = 01h
TLC5945
SLVS755 – MARCH 2007
(1)
(2)
(3)
(4)
(5)
MIN TYP MAX UNIT
16
ns
10
30
16
ns
10
30
30 ns
60 ns
1000 ns
60 ns
1000 ns
–12
–3
0 ns
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