lm4663 National Semiconductor Corporation, lm4663 Datasheet - Page 2

• Manufacturer Part Number: lm4663
• Description: 2 Watt Stereo Class D Audio Power Amplifier With Stereo Headphone Amplifier
• Manufacturer: National Semiconductor Corporation

www.national.com
Symbol
V
I
I
I
R
V
V
V
V
Power Amplifiers
P
P
P
P
E
E
E
THD+N
V
PSRR
A
S
S
SD
S
IH
IL
IH
IL
O
D1
D2
D3
FF1
FF2
FF3
NOISE
V
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
The following specifications apply for V
Limits apply for T
IN
Supply Voltage
Input Voltage
Power Dissipation (Note 3)
Load Resistance
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (Note 6)
Storage Temperature
Soldering Information
R
Pins 5, 7, 18, 20
Pins 5, 7, 18, 20
Operating Supply Voltage Range
Quiescent Power Supply Current,
Class D Mode
Quiescent Power Supply Current,
Headphone Mode
Quiescent Power Supply Current,
Shutdown Mode
Input Resistance in Both Modes
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
Output Power, Per Channel
Power Dissipation
Power Dissipation
Power Dissipation
Efficiency
Efficiency
Efficiency
Harmonic Distortion + Noise
Output Noise Voltage, RMS.
A−Weighted
Power Supply Rejection Ratio
(Referred to Input)
Voltage Gain
A
= 25˚C.
Parameter
−65˚C ≤ T
−0.3V to V
DD
Internally Limited
= 5V, R
(Notes 1, 2, 7)
V
V
V
Shutdown Pin & Input Select Pin
Shutdown Pin & Input Select Pin
Headphone Select Pin
Headphone Select Pin
THD+N ≤ 1%, f
P
P
P
P
P
f
P
P
R
BW = 8Hz to 22kHz
200mV, 1kHz, V
1kHz, V
(Note 2)
IN
IN
IN
SD
O
O
O
O
O
O
O
SOURCE
A
2.5Ω, min
DD
L
= 1kHz
≤ 150˚C
= 2W/Chan, f
= 1W/Chan, f
= .25W/Chan, f
= 2W/Chan, f
= 1W/Chan, R
= .25W/Chan, f
= 1W/Chan, f
= 0V
= 0V
= 5V
= 4Ω, LC filter values as shown in Figure 1, unless otherwise specified.
2000V
150˚C
+0.3V
600V
200V
6.0V
50V
IN
RMS
RMS
= 50Ω, C
= 100mV, R
Conditions
, V
, V
HPSEL
HPSEL
IN
2
IN
IN
IN
IN
IN
= 1kHz
L
IN
IN
= 0
IN
= 1kHz
= 1kHz
= 1kHz
= 1kHz
= 8Ω,
Operating Ratings
TSSOP Package
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Temperature Range
Supply Voltage
Thermal Resistance (TSSOP Package)
= 1kHz
= 1kHz
= 1µF,
= 0V
= V
L
Vapor Phase (60 sec.)
θ
θ
Infrared (15 sec.)
T
JA
JC
= 4Ω
MIN
S
≤ T
A
≤ T
Typical
MAX
0.82
0.49
0.23
200
2.1
0.2
22
20
83
85
69
44
13
5
5
2
LM4663
Max
5.5
0.5
0.5
35
10
(Notes 1, 2)
−40˚C ≤ T
4.5V ≤ V
Min
4.5
4.5
4.5
80
A
DD
≤ +85˚C
80˚C/W
20˚C/W
≤ 5.5V
215˚C
220˚C
Units
mA
mA
µA
kΩ
µV
dB
dB
W
W
W
W
%
%
%
%
V
V
V
V
V