LM48511SQ National Semiconductor, LM48511SQ Datasheet - Page 8

• Manufacturer Part Number: LM48511SQ
• Manufacturer: National Semiconductor

Specifications of LM48511SQ

• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 6.7x1@4OhmW
• Audio Amplifier Function: Speaker
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 5V
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 88dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 3/4.8V
• Dual Supply Voltage (max): 5.5/8V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Lead Free Status / Rohs Status: Not Compliant

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I
I
V
V
T
V
P
THD+N
ε
DD
SD
OS
WU
IH
IL
OS
O
Electrical Characteristics V
The following specifications apply for V
8Ω, f = 1kHz, SS/FF = GND, unless otherwise specified. Limits apply for T
Symbol
Quiescent Power Supply Current
Shutdown Current
Logic Voltage Input High
Logic Voltage Input Low
Wake-up Time
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Output Noise
Parameter
DD
= 3.0V, PV1 = 4.8V (continuos mode), A
DD
= 3.0V
V
Fixed Frequency Mode (FF)
Spread Spectrum Mode (SS)
V
FB_SEL = GND
C
Note 12
R
THD+N = 1%
THD+N = 10%
R
THD+N = 1%
THD+N = 10%
P
P
f = 20Hz to 20kHz
Inputs to AC GND, No weighting
f = 20Hz to 20kHz
Inputs to AC GND, A weighted
IN
SD_BOOST
O
O
SS
L
L
FF
SS
FF
SS
FF
SS
FF
SS
FF
SS
FF
SS
FF
SS
FF
SS
= 8Ω, f = 1kHz, BW = 22kHz
= 4Ω, f = 1kHz, BW = 22kHz
= 500mW, f = 1kHz, R
= 500mW, f = 1kHz, R
= 0, R
= 0.1μF
(Notes 1, 2, 10)
8
LOAD
= V
Conditions
SD_AMP
=
∞
A
= 25°C.
= SS =
L
L
= 8Ω
= 4Ω
V
= 2V/V, R
3
(Note 6)
Typical
= 25.5kΩ, R
0.01
0.91
0.79
0.04
0.02
0.03
0.04
0.06
9.5
1.3
1.3
1.8
1.8
2.2
2.2
49
35
35
25
25
9
1
1
LM48511
(Note 7)
LS
Limit
0.84
= 9.31kΩ, R
1
mA (max)
mA (max)
(Limits)
W (min)
V (min)
µV
µV
µV
µV
Units
L
mV
ms
μA
=
W
W
W
W
W
W
W
%
%
%
%
V
RMS
RMS
RMS
RMS