lm4651 National Semiconductor Corporation, lm4651 Datasheet - Page 2

• Manufacturer Part Number: lm4651
• Description: Overture? Audio Power Amplifier 170w Class D Audio Power Amplifier Solution
• Manufacturer: National Semiconductor Corporation

www.national.com
I
I
A
P
Pd
THD+N
e
SNR
V
PSRR
CQ
STBY
OUT
The following specifications apply for +V
specified. Typicals apply for T
Symbol
M
O
OS
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Output Current (LM4652)
Power Dissipation (LM4651) (Note 3)
Power Dissipation (LM4652) (Note 3)
ESD Susceptibility (LM4651) (Note 4)
ESD Susceptibility (LM4651) (Note 5)
Junction Temperature (Note 6)
Soldering Information
Storage Temperature
System Electrical Characteristics for LM4651 and LM4652
LM4652 (pins 2,6,10,11)
LM4652 (pins 2,6,10,11)
N, TA and TF Package (10 seconds)
Total Quiescent Power Supply
Current
Standby Current
Standby Attenuation
Output Power (Continuous Average)
Efficiency at P
Efficiency
(LM4651 & LM4652)
Power Dissipation
(LM4651 + LM4652)
Total Harmonic Distortion Plus Noise
Output Noise
Signal-to-Noise Ratio
Output Offset Voltage
Power Supply Rejection Ratio
Parameter
O
= 5W
A
= 25˚C. For specific circuit values, refer to Figure 1 (Typical Audio Application Circuit).
CC
= +20V, −V
−40˚C to + 150˚C
(Notes 1, 2)
V
V
V
R
R
R
R
f
f
P
P
P
f
THD = 1% (max)
10W, 10Hz
10Hz
A Weighted, no signal, R
A-Wtg, P
22kHz BW, P
V
R
+V
SW
SW
SW
CIN
PIN
PIN
O
O
O
IN
L
L
L
L
L
R
R
CC AC
2000V
±
EE
150˚C
260˚C
= 4 , 1% THD
= 4 , 10% THD
= 8 , 1% THD
= 8 , 10% THD
= 4 , 10Hz
= 5W, R
= 125W, THD = 1%
= 125W, THD = 1% (max)
DLY
DLY
= 0V, I
1.5W
500V
200V
100V
13 = 5V, Stby: On
13 = 5V, Stby: On
= 75kHz, R
= 75kHz, R
= 75kHz, P
32W
= 0V, L
22V
10A
= −20V, f
BW
= 0
= 10k
= −V
out
O
2
= 125W, R
= 0mA, R
EE AC
out
O
DLY
f
80kHz
IN
L
L
O
Operating Ratings
Temperature Range
Supply Voltage |V
Thermal Resistance
LM4651 N Package
LM4652 TF, TO−220 Package
LM4652 T, TO−220 Package
= 0mA, |I
SW
= 125W, R
JA
JC
JA
JC
JA
JC
Conditions
= 4 , 1% THD
= 4 , 10% THD
BW
= 5k
= 135W,
= 1V
500Hz, A
= 125kHz, f
OFFSET
RMS
L
30kHz
L
4
VCC+
= 4
, f
L
V
AC
4
| + |I
= 18 dB
= 0
IN
= 120Hz
+
= 100Hz, R
VEE−
| + |V
|
−
|
L
(Notes 1, 2)
(Notes 1, 2)
= 4 , unless otherwise
Typical
>
LM4651 & LM4652
237
124
125
155
135
170
550
0.3
0.7
17
75
90
55
85
22
22
92
89
37
115
−40˚C
T
22V to 44V
A
2.0˚C/W
1.0˚C/W
Units
52˚C/W
22˚C/W
43˚C/W
37˚C/W
mA
mA
mA
dB
µV
dB
dB
dB
W
W
W
W
W
W
W
W
%
%
%
+85˚C
V