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LM3886 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM3886
Description  Overture TM Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute
PDF  20 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3886 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Notes 6,
5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
+|+|V−|
(No Signal)
94V
Supply Voltage |V
+|+|V−|
(Input Signal)
84V
Common Mode Input Voltage
(V
+ or V−) and
|V
+|+|V−|
≤ 80V
Differential Input Voltage (Note 16)
60V
Output Current
Internally Limited
Power Dissipation (Note 7)
125W
ESD Susceptibility (Note 8)
3000V
Junction Temperature (Note 9)
150˚C
Soldering Information
T Package (10 seconds)
260˚C
Storage Temperature
−40˚C to +150˚C
Thermal Resistance
θ
JC
1˚C/W
θ
JA
43˚C/W
Operating Ratings (Notes 5, 6)
Temperature Range
T
MIN ≤ TA ≤ TMAX
−20˚C
≤ T
A ≤ +85˚C
Supply Voltage |V
+|+|V−|
20V to 84V
Electrical Characteristics (Notes 5, 6)
The following specifications apply for V
+ = +28V, V− = −28V, I
MUTE = −0.5 mA with RL = 4Ω unless otherwise specified. Limits
apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM3886
Units
(Limits)
Typical
(Note 10)
Limit
(Note 11)
|V
+|+|V−|
Power Supply Voltage (Note 14)
V
pin7 −V
−
≥ 9V
18
20
84
V (min)
V (max)
A
M
Mute Attenuation
Pin 8 Open or at 0V, Mute: On
Current out of Pin 8 > 0.5 mA,
Mute: Off
115
80
dB (min)
P
O
(Note 4)
Output Power (Continuous Average)
THD + N = 0.1% (max)
f = 1 kHz; f = 20 kHz
|V
+| = |V−| = 28V, R
L = 4Ω
|V
+| = |V−| = 28V, R
L = 8Ω
|V
+| = |V−| = 35V, R
L = 8Ω
68
38
50
60
30
W (min)
W (min)
W
Peak P
O
Instantaneous Peak Output Power
135
W
THD + N
Total Harmonic Distortion Plus Noise
60W, R
L = 4Ω,
30W, R
L = 8Ω,
20 Hz
≤ f ≤ 20 kHz
A
V = 26 dB
0.03
0.03
%
%
SR
(Note 4)
Slew Rate (Note 13)
V
IN = 2.0Vp-p, tRISE = 2ns
19
8
V/µs
(min)
I
+ (Note 4)
Total Quiescent Power Supply
Current
V
CM = 0V, Vo = 0V, Io = 0A
50
85
mA (max)
V
OS
(Note 3)
Input Offset Voltage
V
CM = 0V, Io = 0mA
1
10
mV (max)
I
B
Input Bias Current
V
CM = 0V, Io = 0 mA
0.2
1
µA (max)
I
OS
Input Offset Current
V
CM = 0V, Io = 0 mA
0.01
0.2
µA (max)
I
o
Output Current Limit
|V
+| = |V−| = 20V, t
ON = 10 ms, VO = 0V
11.5
7
A (min)
V
od
(Note 3)
Output Dropout Voltage (Note 15)
|V
+–V
O|, V
+ = 28V, I
o = +100 mA
|V
O–V
−|, V− = −28V, I
o = −100 mA
1.6
2.5
2.0
3.0
V (max)
V (max)
PSRR
(Note 3)
Power Supply Rejection Ratio
V
+ = 40V to 20V, V− = −40V,
V
CM = 0V, Io = 0mA
V
+ = 40V, V− = −40V to −20V,
V
CM = 0V, Io = 0mA
120
105
85
85
dB (min)
dB (min)
CMRR
(Note 3)
Common Mode Rejection Ratio
V
+ = 60V to 20V, V− = −20V to −60V,
V
CM = 20V to −20V, Io = 0mA
110
85
dB (min)
A
VOL
(Note 3)
Open Loop Voltage Gain
|V
+| = |V−| = 28V, R
L = 2kΩ, ∆VO = 40V
115
90
dB (min)
GBWP
Gain-Bandwidth Product
|V
+| = |V−| = 30V
f
O = 100 kHz, VIN = 50 mVrms
82
MHz
(min)
www.national.com
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