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LP3950SL Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP3950SL
Description  Color LED Driver with Audio Synchronizer
PDF  31 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3950SL Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Modes of Operation (Continued)
20129306
Logic Interface Characteristics
(1.80V
≤ V
DDIO
≤ V
DD1,2V). Limits in standard typeface are for TJ = +25˚C. Limits in boldface type apply over the operating
ambient temperature range (−40˚C
≤ T
A
≤ +85˚C).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
LOGIC INPUTS SS, SI, SCK/SCL, PWM_LED, IF_SEL
V
IL
Input Low Level
0.5
V
V
IH
Input High Level
V
DDIO − 0.5
V
I
I
Logic Input Current
−1.0
1.0
µA
f
SCL
Clock Frequency
I
2C Mode
400
kHz
SPI Mode
8
MHz
LOGIC OUTPUT SO
V
OL
Output Low Level
I
SO = 3.0 mA
0.3
0.5
V
V
OH
Output High Level
I
SO = −3.0 mA
V
DDIO − 0.5
V
DDIO − 0.3
V
I
L
Output Leakage Current
V
SO = 2.8V
1.0
µA
LOGIC I/O SDA
V
OL
Output Low Level
I
SDA = 3.0 mA
0.3
0.5
V
LOGIC INPUTS DME, AMODE (Internal pull down 1 M
Ω)
V
IL
Input Low Level
0.5
V
V
IH
Input High Level
V
DDIO − 0.5
V
www.national.com
7



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