LM4780TABD National Semiconductor, LM4780TABD Datasheet - Page 3

• Manufacturer Part Number: LM4780TABD
• Description: BOARD EVALUATION LM4780TA
• Manufacturer: National Semiconductor
• Series: Overture™r

Specifications of LM4780TABD

• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 60W x 2 @ 8 Ohm
• Voltage - Supply: 20 V ~ 84 V, ±10 V ~ 42 V
• Operating Temperature: -20°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4780
• Lead Free Status / RoHS Status: Not applicable / Not applicable

|V
A
P
THD+N
X
SR
I
V
I
I
V
PSRR
DD
B
O
M
O
talk
OS
OD
+
Absolute Maximum Ratings
2)
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
for T
Supply Voltage |V
Supply Voltage |V
Common Mode Input Voltage
Differential Input Voltage (Note 13)
Output Current
Power Dissipation
ESD Susceptability
ESD Susceptability
| + |V
Symbol
(No Signal)
(Input Signal)
A
-
= 25°C.
|
Power Supply Voltage
(Note
Mute Attenuation
Output Power (RMS)
Total Harmonic Distortion +
Noise
Channel Separation (Note 11)
Slew Rate
Total Quiescent Power
Supply Current
Input Offset Voltage
Input Bias Current
Output Current Limit
Output Dropout Voltage
(Note 12)
Power Supply Rejection Ratio
(Note 15)
+
+
(Note
| + |V
| + |V
(Note
(Note
10)
-
-
|
|
3)
Parameter
4)
5)
+
= +35V, V
Internally Limited
|V
(Note
+
(V
| + |V
(Note
+
GND − V
I
THD+N = 0.5% (max)
f = 1kHz; f = 20kHz
|V
|V
|V
P
A
|V
|V
|V
P
P
V
V
V
V
V
|V
|V
|V
V
V
V
V
MUTE
or V
O
V
O
O
IN
CM
O
CM
CM
+
CM
+
CM
-
1,
+
+
+
+
+
+
+
+
-
-
= −35V, I
| = |V
| = |V
| = |V
| = |V
| = |V
| = |V
| = |V
= 40V to 20V, V
= 40V, V
= 26dB
- V
|
= 30W, f = 20Hz - 20kHz
= 10W, f = 1kHz
= 10W, f = 10kHz
= 0V, I
= 2.0V
- V
1,
≤
Note
= 0V,
= 0V, I
= 0V, I
= 0V, I
= 0V, I
125W
-
3.0kV
200V
) and
= 0mA
O
O
Note
94V
84V
80V
60V
|, V
|, V
-
-
-
-
-
-
-
| = 25V, R
| = 30V, R
| = 35V, R
| = 25V, R
| = 30V, R
| = 35V, R
| = 20V, t
-
2)
O
≥
P-P
-
O
O
+
O
O
= 0A
-
= -28V, I
MUTE
9V
= 28V, I
, t
= -40V to -20V,
= 0mA
= 0mA
= 0mA
= 0mA
RISE
3
Conditions
= -1mA and R
ON
L
L
L
L
L
L
-
Operating Ratings
Note: Operation is guaranteed up to 84V; however, distortion
may be introduced from SPiKe protection circuitry if proper
thermal considerations are not taken into account. Refer to
the Thermal Considerations section for more information.
= 2ns
= -40V,
Junction Temperature (T
Soldering Information
Storage Temperature
Thermal Resistance
θ
θ
Temperature Range
Supply Voltage |V
= 4Ω
= 6Ω
= 8Ω
= 4Ω
= 6Ω
= 8Ω
O
O
= 10ms
TA Package (10 seconds)
T
= -100mA
= +100mA
JA
JC
MIN
≤
T
A
L
≤
= 8Ω unless otherwise specified. Limits apply
T
MAX
+
| + |V
-
JMAX
(Note
|
Typical
0.07
0.05
0.03
11.5
110
110
120
105
0.2
1.6
2.5
18
55
55
60
70
72
19
1
)
(Note
6)
LM4780
(Note
9)
(Note
Note
Limit
1,
−20°C
20V
170
2.0
3.0
20
84
80
50
50
50
10
85
85
8
1
7
Note
-40°C to +150°C
8)
7,
≤
V
≤
2)
TOTAL
T
www.national.com
A
V/μs (min)
mA (max)
mV (max)
0.8°C/W
≤
μA (max)
dB (min)
dB (min)
dB (min)
30°C/W
(Limits)
V (max)
W (min)
W (min)
W (min)
V (max)
V (max)
V (min)
A (min)
Units
150°C
260°C
+85°C
≤
dB
dB
%
%
%
84V