LM3876 Overture Audio Power Amplifier Series National Semiconductor, LM3876 Overture Audio Power Amplifier Series Datasheet - Page 3

• Manufacturer Part Number: LM3876 Overture Audio Power Amplifier Series
• Description: LM3876 - High-Performance 56W Audio Power Amplifier with Mute
• Manufacturer: National Semiconductor

|V
A
P
Peak P
THD + N
SR (Note 3) Slew Rate (Note 12)
I
V
(Note 2)
I
I
I
V
(Note 2)
PSRR
(Note 2)
CMRR
(Note 2)
A
(Note 2)
+
B
OS
o
M
O
OS
od
VOL
Symbol
+
Absolute Maximum Ratings
5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
(Note 2)
Supply Voltage |V
Supply Voltage |V
Common Mode Input Voltage
Differential Input Voltage
Output Current
Power Dissipation (Note 6)
ESD Susceptibility (Note 7)
Junction Temperature (Note 8)
Soldering Information
The following specifications apply for V
apply for T
| + |V
(Note 3) Output Power (Continuous Average)
T Package (10 seconds)
O
−
|
Power Supply Voltage (Note 13)
Mute Attenuation
Instantaneous Peak Output Power
Total Harmonic Distortion Plus Noise
Total Quiescent Power Supply Current V
Input Offset Voltage
Input Bias Current
Input Offset Current
Output Current Limit
Output Dropout Voltage (Note 14)
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Open Loop Voltage Gain
A
= 25˚C.
+
+
|+|V
|+|V
−
−
| (No Signal)
| (Input Signal)
Parameter
+
Internally Limited
= +35V, V
|V
(Notes 4, 5)
(V
+
| + |V
+
(Notes 4,
or V
−
−
V
Pin 8 Open or at 0V, Mute: On
Current out of Pin 8
Mute: Off
THD + N = 0.1% (max)
f = 1 kHz; f = 20 kHz
40W, 20 Hz ≤ f ≤ 20 kHz
A
V
Square-Wave, R
V
V
V
|V
|V
|V
V
V
V
V
V
V
|V
| ≤80V
3000V
−
150˚C
260˚C
125W
pin7
V
IN
CM
CM
CM
CM
+
CM
+
CM
+
CM
) and
= −35V, I
+
+
O
+
94V
84V
60V
| = |V
–V
| = |V
= 40V to 20V, V
= 40V, V
= 60V to 20V, V
= 26 dB
–V
= 1.2 Vrms, f = 10 kHz,
= 0V, V
= 0V, I
= 0V, I
= 0V, I
= 0V, I
= 0V, I
= 20V to −20V, I
− V
O
−
|, V
|, V
−
−
−
| = 12V, t
| = 40V, R
≥ 9V
+
−
MUTE
3
o
o
o
o
o
−
o
= 20V, I
= −20V, I
= 0 mA
= 0 mA
= 0 mA
= 0 mA
= 0 mA
= −40V to −20V,
= 0V, I
Operating Ratings
Note 1: Operation is guaranteed up to 84V, however, distortion may be
introduced from SPiKe Protection Circuitry when operating above 70V if
proper thermal considerations are not taken into account. Refer to the
Thermal Considerations section for more information.
(See SPiKe Protection Response)
Storage Temperature
Thermal Resistance
Temperature Range
Supply Voltage |V
Conditions
= −0.5 mA with R
L
θ
θ
T
= 2 kΩ
ON
JC
JA
−
−
MIN
L
o
>
o
= −40V,
= −20V to −60V,
o
= 2 kΩ, ∆V
o
= 10 ms, V
= +100 mA
= 0A, I
0.5 mA,
= 0 mA
≤ T
= −100 mA
A
≤ T
mute
MAX
O
O
+
L
= 0A
= 60V
| + |V
= 0V
= 8Ω unless otherwise specified. Limits
−
|
(Note 9) (Note 10)
Typical
(Notes 4, 5)
0.06
0.01
120
100
120
120
120
120
0.2
1.6
2.7
18
56
11
30
1
6
LM3876
−40˚C to +150˚C
Limit
0.2
24
84
80
40
70
15
85
85
80
90
5
1
4
5
5
−20˚C ≤ T
24V to 84V
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43˚C/W
1˚C/W
+85˚C
V/µs (min)
mA (max)
mV (max)
µA (max)
µA (max)
dB (min)
dB (min)
dB (min)
dB (min)
dB (min)
(Limits)
V (max)
W (min)
V (max)
V (max)
V (min)
A (min)
Units
A
W
%
≤