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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
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Produttore  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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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)
www.national.com
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