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LM4970 Datasheet(Scheda tecnica) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Numero della parte LM4970
Dettagli  Audio Synchronized Color LED Driver
Download  15 Pages
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Produttore  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM4970 Datasheet(HTML) 3 Page - National Semiconductor (TI)

 
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Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
ESD Susceptibility (Note 12)
100V
Junction Temperature
150˚C
Thermal Resistance
θ
JA (SDA14A)
57˚C/W
θ
JC (SDA14A)
12˚C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ +85˚C
Supply Voltage
2.7V
≤ V
DD
≤ 5.5V (Note 13)
2.5V
≤ I2CV
DD
≤ 5.5V
Control Interface Electrical Characteristics (Notes 1, 2)
The following specifications apply for 3V
≤ V
DD
≤ 5V unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4970
Units
(Limits)
Typical
(Note 6)
Limits
(Notes 7, 8)
t
1
SCL period
2.5
µs (min)
t
2
SDA Setup Time
100
ns (min)
t
3
SDA Stable Time
0
ns (min)
t
4
Start Condition Time
100
ns (min)
t
5
Stop Condition Time
100
ns (min)
V
IH
Digital Input High Voltage
0.7 x I
2CV
DD
V (min)
V
IL
Digital Input Low Voltage
0.3 x I
2CV
DD
V (max)
Color LED Driver Electrical Characteristics V
DD = 5.0V (Notes 1, 2, 9)
The following specifications apply for V
DD = 5.0V unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4970
Units
(Limits)
Typical
(Note 6)
Limits
(Notes 7, 8)
I
DDRGB
Supply Curent
2.5
4
mA (max)
I
SDRGB
Shutdown Current
Shutdown Mode
1.5
3.5
µA (max)
I
LED
LED Drive Current
.66X current drive setting
14
mA
1X current drive setting
21
mA
1.33X current drive setting
30
mA
2X current drive setting
42
23
mA (min)
f
PWM
PWM Frequency
PWM_F<1:0> = ’01’
60
Hz
Input Signal Level Gain Control
Maximum setting
12
dB
Minimum setting
–11
dB
Color LED Driver Electrical Characteristics V
DD = 3.0V (Notes 1, 2, 9)
The following specifications apply for V
DD = 3.0V unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4970
Units
(Limits)
Typical
(Note 6)
Limits
(Notes 7, 8)
I
DDRGB
Supply Curent
2.2
3
mA (max)
I
SDRGB
Shutdown Current
Shutdown Mode
0.5
2
µA (max)
I
LED
LED Drive Current
.66X current drive setting
12
mA
1X current drive setting
18
mA
1.33X current drive setting
27
mA
2X current drive setting
35
21
mA (min)
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