LM4681SQ NSC [National Semiconductor], LM4681SQ Datasheet - Page 4

• Manufacturer Part Number: LM4681SQ
• Description: 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control
• Manufacturer: NSC [National Semiconductor]

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Symbol
V
I
I
I
R
I
V
V
V
V
Power Amplifiers
P
P
E
THD+N
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
S
S
SD
2
Supply Voltage
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility(Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (Note 6)
Storage Temperature
Soldering Information
The following specifications apply for V
wise specified. Limits apply for T
DD
IH
IL
HPIH
HPIL
O
D1
FF1
NOISE
IN
CV
DD
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
I
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
HP Sense High Input Voltage
HP Sense Low Input Voltage
Maximum Output Power, Per
Channel
Power Dissipation
Efficiency
Harmonic Distortion + Noise
Output Noise Voltage
2
C / SPI Logic Supply Voltage
Parameter
A
= 25˚C.
−65˚C ≤ T
DD
Internally Limited
(Notes 1, 2, 7)
= 12V, I
−0.3V to V
(Note 2)
A
≤ 150˚C
2
2000V
CV
V
V
V
I
THD+N ≤ 1%, f
THD+N ≤ 10%, V
f
P
P
P
R
BW = 8Hz to 22kHz,
A-weighted, input referred
150˚C
+0.3V
2
IN
200V
IN
IN
SD
O
O
O
C/SPI Interface pins
SOURCE
16V
DD
= 1kHz
= 6W/Chan, f
= 6W/Chan, f
= 1W/Chan, f
DD
= 0V
= 0V
= 5V
= 5V, R
RMS
RMS
= 50Ω, C
4
Conditions
, V
, V
L
Operating Ratings
LLP Package
IN
Temperature Range
Supply Voltage
Thermal Resistance (LLP Package)
= 8Ω, LC filter values as shown in Figure 1, unless other-
HPSEL
HPSEL
IN
IN
IN
Vapor Phase (60 sec.)
DD
θ
θ
= 1kHz
Infrared (15 sec.)
T
JA
JC
IN
= 1kHz
= 1kHz
= 1kHz
MIN
= 14V,
= 1µF,
= 0V
= V
≤ T
DD
A
≤ T
MAX
Typical
1.17
0.11
0.1
6.0
12
50
22
10
85
10
8
LM4681
(Notes 1, 2)
V
I
I
−40˚C ≤ T
2
2
V
Limit
0.7 x
0.3 x
DD
15.5
CV
CV
5.5
5.3
DD
9V ≤ V
70
30
9
3
– 1
DD
DD
/2
DD
A
≤ +85˚C
≤ 15.5V
28˚C/W
20˚C/W
V (max)
V (max)
V (max)
V (max)
W (min)
V (min)
V (min)
V (min)
V (min)
Units
(max)
(max)
215˚C
220˚C
mA
mA
mA
kΩ
µV
W
W
%
%