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TLC5945 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. TLC5945
Description  16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLC5945 Datasheet(HTML) 4 Page - Texas Instruments

 
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ELECTRICAL CHARACTERISTICS
TLC5945
SLVS755 – MARCH 2007
V
CC = 3 V to 5.5 V, TA = -40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNI
T
VOH
High-level output
IOH = –1 mA, SOUT
VCC –0.5
V
voltage
VOL
Low-level output
IOL = 1 mA, SOUT
0.5
V
voltage
VI = VCC or GND; BLANK, TEST, GSCLK, SCLK, SIN, XLAT pin
–1
1
II
Input current
VI = GND; MODE pin
–1
1
µA
VI = VCC; MODE pin
50
No data transfer, all output OFF, VO = 1 V, R(IREF) = 10 kΩ
0.9
6
No data transfer, all output OFF, VO = 1 V, R(IREF) = 1.3 kΩ
5.2
12
ICC
Supply current
mA
Data transfer 30 MHz, all output ON, VO = 1 V, R(IREF) = 1.3 kΩ
16
25
Data transfer 30 MHz, all output ON, VO = 1 V, R(IREF) = 640 Ω
30
60
IO(LC)
Constant output current All output ON, VO = 1 V, R(IREF) = 640 Ω
54
61
69 mA
Ilkg
Leakage output current
All output OFF, VO = 15 V, R(IREF) = 640 Ω , OUT0 to OUT15
0.1
µA
All output ON, VO = 1 V, R(IREF) = 640 Ω, OUT0 to OUT15,
±1
±4
–20
°C to 85°C(1)
All output ON, VO = 1 V, R(IREF) = 640 Ω, OUT0 to OUT15(1)
±1
±8
Constant sink current
∆I
O(LC0)
%
error
All output ON, VO = 1 V, R(IREF) = 480 Ω, OUT0 to OUT15,
±1
±6
–20
°C to 85°C(1)
All output ON, VO = 1 V, R(IREF) = 480 Ω, OUT0 to OUT15(1)
±1
±8
Constant sink current
Device to device, averaged current from OUT0 to OUT15,
–2,
∆I
O(LC1)
±4 %
error
R(IREF) = 1920 Ω (20 mA)(2)
0.4
Constant sink current
Device to device, averaged current from OUT0 to OUT15,
–2.7,
∆I
O(LC2)
±4 %
error
R(IREF) = 480 Ω (80 mA)(2)
2
All output ON, VO = 1 V, R(IREF) = 640 Ω OUT0 to OUT15,
±1
±4
VCC = 3 V to 5.5 V(3)
%/
∆I
O(LC3)
Line regulation
V
All output ON, VO = 1 V, R(IREF) = 480 Ω OUT0 to OUT15,
±1
±6
VCC = 3 V to 5.5 V(3)
All output ON, VO = 1 V to 3 V, R(IREF) = 640 Ω, OUT0 to OUT15(4)
±2
±6 %/
∆I
O(LC4)
Load regulation
V
All output ON, VO = 1 V to 3 V, R(IREF) = 480 Ω, OUT0 to OUT15(4)
±2
±8
Thermal error flag
T(TEF)
Junction temperature(5)
150
170
°C
threshold
LED open detection
V(LED)
0.3
0.4
V
threshold
Reference voltage
V(IREF)
RI(REF) = 640 Ω
1.20
1.24
1.28
V
output
(1)
The deviation of each output from the average of OUT0-15 constant current. It is calculated by Equation 1 in Table 1.
(2)
The deviation of average of OUT1-15 constant current from the ideal constant-current value. It is calculated by Equation 2 in Table 1.
The ideal current is calculated by Equation 3 in Table 1.
(3)
The line regulation is calculated by Equation 4 in Table 1.
(4)
The load regulation is calculated by Equation 5 in Table 1.
(5)
Not tested. Specified by design.
4
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