LM4673TM/NOPB National Semiconductor, LM4673TM/NOPB Datasheet - Page 5
LM4673TM/NOPB
Manufacturer Part Number
LM4673TM/NOPB
Description
IC AMP AUDIO PWR 2.65W D 9USMD
Manufacturer
National Semiconductor
Series
Boomer®, PowerWise®r
Type
Class Dr
Datasheet
1.LM4673SDNOPB.pdf
(24 pages)
Specifications of LM4673TM/NOPB
Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
2.65W x 1 @ 4 Ohm
Voltage - Supply
2.4 V ~ 5.5 V
Features
Depop, Differential Inputs, PWM, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
9-MicroSMD
For Use With
LM4673TMBD - BOARD EVALUATION LM4673TM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM4673TM
LM4673TMTR
LM4673TMTR
P
THD+N
PSRR
SNR
ε
CMRR
T
T
η
OUT
Symbol
WU
SD
O
Output Power
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
(Input Referred)
Signal to Noise Ratio
Output Noise
(Input Referred)
Common Mode Rejection Ratio
(Input Referred)
Wake-up Time
Shutdown Time
Efficiency
Parameter
R
THD = 10% (max)
f = 1kHz, 22kHz BW
V
V
V
R
THD = 1% (max)
f = 1kHz, 22kHz BW
V
V
V
V
V
V
V
f
Inputs to AC GND, C
V
f
Inputs to AC GND, C
V
V
Inputs to AC GND, C
No Weighting
V
C
V
f
V
V
R
V
R
Ripple
Ripple
Ripple
DD
DD
DD
DD
DD
DD
DD
DD
DD
Ripple
Ripple
DD
DD
DD
DD
DD
DD
DD
L
L
I
L
L
= 2μF, A Weighted
= 15μH + 8Ω + 15μH
= 15μH + 8Ω + 15μH
= 8Ω
= 8Ω
= 3.6V
= 5V
= 3.6V
= 2.5V
= 5V
= 3.6V
= 2.5V
= 5V, P
= 3.6V, P
= 2.5V, P
= 5V, P
= 3.6V, f = 20Hz – 20kHz
= 3.6V, Inputs to AC GND
= 3.6V, V
= 3.6V, P
= 5V, P
= 217Hz, V
= 1kHz, V
= 217Hz
= 200mV
= 200mV
O
O
OUT
Conditions
= 0.1W, f = 1kHz
O
O
= 1W
Ripple
OUT
= 0.1W, f = 1kHz
= 0.1W, f = 1kHz
DD
= 1W
PP
PP
5
DD
= 400mW
Sine,
Sine,
= 3.6, 5V
= 1V
RMS
= 3.6, 5V
I
I
I
= 2μF
= 2μF
= 2μF
PP
Sine
(Note 6)
Typical
1.24
0.03
0.02
0.02
870
350
650
300
140
1.7
78
72
97
30
23
70
17
88
86
LM4673
(Notes 7, 8)
Limit
600
www.national.com
(Limits)
μV
μV
Units
mW
mW
mW
mW
dB
dB
dB
dB
μs
μs
W
W
%
%
%
%
%
RMS
RMS