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LM4990LD データシート(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM4990LD
部品情報  2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
Download  19 Pages
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4990LD データシート(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note 11)
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Notes 3, 12)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150˚C
Thermal Resistance
θ
JC (MSOP)
56˚C/W
θ
JA (MSOP)
190˚C/W
θ
JA (9 Bump micro SMD) (Note 15)
180˚C/W
θ
JA (LLP)
63˚C/W (Note 13)
θ
JC (LLP)
12˚C/W (Note 13)
Soldering Information
See AN-1187 "Leadless
Leadframe Package (LLP)."
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
2.2V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4990
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
3
7
mA (max)
V
IN = 0V, Io = 0A, 8
Ω Load
4
10
mA (max)
I
SD
Shutdown Current
V
SD =VSD Mode (Note 8)
0.1
2.0
µA (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD
1.5
V
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD
1.3
V
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND
1.5
V
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND
1.3
V
V
OS
Output Offset Voltage
7
50
mV (max)
R
OUT
Resistor Output to GND (Note 10)
8.5
9.7
k
Ω (max)
7.0
k
Ω (min)
P
o
Output Power (8
Ω)
THD+N = 1% (max); f = 1kHz
1.25
0.9
W (min)
(4
Ω) (Notes 13, 14)
THD+N = 1% (max); f = 1kHz
2
W
T
WU
Wake-up time
100
ms
THD+N+N Total Harmonic Distortion+Noise
P
o = 0.5Wrms; f = 1kHz
0.2
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
60 (f =
217Hz)
64 (f = 1kHz)
55
dB (min)
Electrical Characteristics V
DD =3V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4990
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
2
7
mA (max)
V
IN = 0V, Io = 0A, 8
Ω Load
3
9
mA (max)
I
SD
Shutdown Current
V
SD =VSD Mode (Note 8)
0.1
2.0
µA (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD
1.1
V
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD
0.9
V
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND
1.3
V
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND
1.0
V
V
OS
Output Offset Voltage
7
50
mV (max)
R
OUT
Resistor Output to GND (Note 10)
8.5
9.7
k
Ω (max)
7.0
k
Ω (min)
www.national.com
4


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