TLC5940 Datasheet, PDF (4/29 Pages) Texas Instruments – 16 CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5940
SLVS515A – DECEMBER 2004 – REVISED AUGUST 2005
ELECTRICAL CHARACTERISTICS
V_CC = 3 V to 5.5 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_OH
High-level output voltage
V_OL
Low-level output voltage
I_OH = -1 mA, SOUT
I_OL = 1 mA, SOUT
V_I = V_CC or GND; BLANK, DCPRG, GSCLK, SCLK, SIN,
XLAT
I_I
Input current
I_CC
Supply current
I_O(LC)
I_lkg
Constant output current
Leakage output current
V_I = GND; VPRG
V_I = V_CC; VPRG
V_I = 22 V; VPRG; DCPRG = V_CC
No data transfer, all output OFF,
V_O = 1 V, R_(IREF) = 10 kΩ
No data transfer, all output OFF,
V_O = 1 V, R_(IREF) = 1.3 kΩ
Data transfer 30 MHz, all output ON,
V_O = 1 V, R_(IREF) = 1.3 kΩ
Data transfer 30 MHz, all output ON,
V_O = 1 V, R_(IREF) = 640 Ω
All output ON, V_O = 1 V, R_(IREF) = 640 Ω
All output OFF, V_O = 15 V, R_(IREF) = 640 Ω,
OUT0 to OUT15
All output ON, V_O = 1 V, R_(IREF) = 640 Ω,
OUT0 to OUT15, –20°C to 85°C
∆I_O(LC0) Constant current error
All output ON, V_O = 1 V, R_(IREF) = 640 Ω,
OUT0 to OUT15
All output ON, V_O = 1 V, R_(IREF) = 320 Ω,
OUT0 to OUT15, –20°C to 85°C
∆I_O(LC1) Constant current error
∆I_O(LC2) Constant current error
∆I_O(LC3)
Power supply rejection ratio,
PSRR
All output ON, V_O = 1 V, R_(IREF) = 320 Ω,
V_CC = 4.5 V to 5.5 V, OUT0 to OUT15
Device to device, Averaged current from OUT0 to
OUT15, R_(IREF) = 1920 Ω (20 mA)
Device to device, Averaged current from OUT0 to
OUT15, R_(IREF) = 480 Ω (80 mA)
All output ON, V_O = 1 V, R_(IREF) = 640 Ω
OUT0 to OUT15
All output ON, V_O = 1 V, R_(IREF) = 320 Ω ,
OUT0 to OUT15
∆I_O(LC4) Load regulation
All output ON, V_O = 1 V to 3 V, R_(IREF) = 640 Ω,
OUT0 to OUT15
All output ON, V_O = 1 V to 3 V, R_(IREF) = 320 Ω,
OUT0 to OUT15
T_(TEF)
V_(LED)
V_(IREF)
Thermal error flag threshold
LED open detection threshold
Reference voltage
output
Junction temperature⁽¹⁾
R_I(REF) = 640 Ω
(1) Not tested. Specified by design
MIN
V_CC– 0.5
–1
–1
54
150
1.20
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TYP MAX UNIT
V
0.5 V
1
1 ^µA
50
4
10 mA
0.9
6
5.2
12
mA
16
25
30
60
61
69 mA
0.1 µA
±1
±4
±1
±8
%
±1
±6
±1
±8
–2
+0.4
±4 %
–2.7
+2
±4 %
±1
±4 %/V
±1
±6 %/V
±2
±6 %/V
±2
±8 %/V
170 °C
0.3 0.4 V
1.24 1.28 V
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