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LM4663 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM4663
Description  2 Watt Stereo Class D Audio Power Amplifier with Stereo Headphone Amplifier
PDF  10 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4663 Fiches technique(HTML) 2 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
6.0V
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
Load Resistance
2.5
Ω, min
ESD Susceptibility(Note 4)
2000V
Pins 5,7,18,20
600V
ESD Susceptibility (Note 5)
200V
Pins 5,7,18,20
50V
Junction Temperature (Note 6)
150˚C
Storage Temperature
−65˚C
≤ T
A ≤ 150˚C
Soldering Information
TSSOP Package
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Operating Ratings(Notes 1, 2)
Temperature Range
T
MIN ≤ TA ≤ TMAX
−40˚C
≤ T
A ≤ +85˚C
Supply Voltage
4.5V
≤ V
DD ≤ 5.5V
Thermal Resistance (TSSOP Package)
θ
JA
80˚C/W
θ
JC
20˚C/W
Electrical Characteristics (Notes 1, 2, 7)
The following specifications apply for V
DD = 5V, RL = 4Ω, LC filter values as shown in Figure 1, unless otherwise specified.
Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4663
Units
Typical
Max
Min
V
S
Operating Supply Voltage
Range
5
5.5
4.5
V
I
S
Quiescent Power Supply
Current, Class D Mode
V
IN = 0VRMS,VHPSEL = 0V
22
35
mA
I
S
Quiescent Power Supply
Current, Headphone Mode
V
IN = 0VRMS,VHPSEL = VS
510
mA
I
SD
Quiescent Power Supply
Current, Shutdown Mode
V
SD = 5V
2
µA
R
IN
Input Resistance in Both Modes
20
k
Ω
V
IH
Minimum High Level Input
Voltage
Shutdown Pin & Input Select
Pin
4.5
V
V
IL
Maximum Low Level Input
Voltage
Shutdown Pin & Input Select
Pin
0.5
V
V
IH
Minimum High Level Input
Voltage
Headphone Select Pin
4.5
V
V
IL
Maximum Low Level Input
Voltage
Headphone Select Pin
0.5
V
Power Amplifiers
P
OR
Output Power, Per Channel
THD+N
≤ 1%,f
IN = 1kHz
2.1
W
P
D1
Power Dissipation
P
O = 2W/Chan, fIN = 1kHz
0.82
W
P
D2
Power Dissipation
P
O = 1W/Chan, fIN = 1kHz
0.49
W
P
D3
Power Dissipation
P
O = .25W/Chan, fIN = 1kHz
0.23
W
E
FF1
Efficiency
P
O = 2W/Chan, fIN = 1kHz
83
%
E
FF2
Efficiency
P
O = 1W/Chan, RL = 8Ω,fIN =
1kHz
85
80
%
E
FF3
Efficiency
P
O = .25W/Chan, fIN = 1kHz
69
%
THD+N
Harmonic Distortion + Noise
P
O = 1W/Chan, fIN = 1kHz
0.2
%
V
NOISE
Output Noise Voltage, RMS.
A−Weighted
R
SOURCE = 50Ω,CIN = 1µF,
BW = 8Hz to 22kHz
200
µV
PSRR
Power Supply Rejection Ratio
(Referred to Input)
200mV, 1kHz, V
IN = 044
dB
A
V
Voltage Gain
1kHz, V
IN = 100mV, RL = 4Ω
13
dB
A
VL−AVR
Stereo Gain Tracking
1kHz, V
IN = 100mV, RL = 4Ω
0.1
dB
www.national.com
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