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LM4675TL Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4675TL
Description  Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier with Spread Spectrum
PDF  19 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4675TL Datasheet(HTML) 5 Page - National Semiconductor (TI)

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Electrical Characteristics (Notes 1, 2)
The following specifications apply for A
V = 2V/V (RI = 150k
Ω), R
L =15µH+8
Ω + 15µH unless otherwise specified. Limits
apply for T
A = 25˚C. (Continued)
Symbol
Parameter
Conditions
LM4675
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
P
O
Output Power
R
L =15µH+8
Ω + 15µH
THD = 10% (max)
f = 1kHz, 22kHz BW
V
DD = 5V
1.6
W
V
DD = 3.6V
820
mW
V
DD = 2.5V
350
mW
R
L =15µH+8
Ω + 15µH
THD = 1% (max)
f = 1kHz, 22kHz BW
V
DD = 5V
1.3
W
V
DD = 3.6V
650
600
mW
V
DD = 2.5V
290
mW
THD+N
Total Harmonic Distortion + Noise
V
DD = 5V, PO = 0.1W, f = 1kHz
0.03
%
V
DD = 3.6V, PO = 0.1W, f = 1kHz
0.02
%
V
DD = 2.5V, PO = 0.1W, f = 1kHz
0.04
%
PSRR
Power Supply Rejection Ratio
(Input Referred)
V
Ripple = 200mVPP Sine,
f
Ripple = 217Hz, VDD = 3.6, 5V
Inputs to AC GND, C
I = 2µF
82
dB
V
Ripple = 200mVPP Sine,
f
Ripple = 1kHz, VDD = 3.6, 5V
Inputs to AC GND, C
I = 2µF
80
dB
SNR
Signal to Noise Ratio
V
DD = 5V, PO =1WRMS
97
dB
e
OUT
Output Noise
(Input Referred)
V
DD = 3.6V, f = 20Hz – 20kHz
Inputs to AC GND, C
I = 2µF
No Weighting
28
µV
RMS
V
DD = 3.6V, Inputs to AC GND
C
I = 2µF, A Weighted
22
µV
RMS
CMRR
Common Mode Rejection Ratio
(Input Referred)
V
DD = 3.6V, VRipple =1VPP Sine
f
Ripple = 217Hz
80
dB
T
WU
Wake-up Time
V
DD = 3.6V
17
µs
T
SD
Shutdown Time
140
µs
η
Efficiency
V
DD = 3.6V, POUT = 400mW
R
L =8
Ω
89
%
V
DD = 5V, POUT =1W
R
L =8
Ω
89
%
www.national.com
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