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TLC5940PWPRG4 Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TLC5940PWPRG4
Description  16 CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
Download  29 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TLC5940PWPRG4 Fiches technique(HTML) 4 Page - Texas Instruments

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


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