LX1705 Datasheet, PDF (5/17 Pages) Microsemi Corporation – 8+8W Stereo Filterless Class-D Amplifier

LX1705
®
8+8W Stereo Filterless Class-D Amplifier
TM
PRODUCTION DATA SHEET
TYPICAL SYSTEM APPLICATION CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C < TA < 85°C except where
otherwise noted and the following conditions: P_VDD = 12V, P_VSS = A_VSS = 0V, V5V = 5V, R_OSC = 25kΩ, R_L = 8Ω.
Parameter
` ^{AUDIO CHARACTERISTICS}
Output Power Stereo
Total Harmonic Distortion Stereo
Power Efficiency
Channel Crosstalk
Audio Bandwidth
Stage Gain Stereo
High
Low
Symbol
P_O
THD+N
V_XTALK
BW
Test Conditions
THD+N < 1%
THD+N <10%
P_OUT = 50% of Maximum Power, F_IN = 1kHz
with diodes
P_OUT = 50% of Maximum Power, F_IN = 1kHz
No diodes
P_OUT = 1W, F_IN = 20Hz~20kHz
P_OUT = Max, THD+N < 1%
P_OUT = 1W, F_IN = 1kHz
P_OUT = 1W, F_IN = 20-20kHz
V_IN = 200mV_RMS, F = 20Hz~20kHz
V_IN = 2V_RMS, F_IN = 20Hz~20khz
LX1705
Units
Min Typ Max
6
W
8
0.2
0.5
%
0.4
90
%
-60
3
dB
26
-40
Signal to Noise Ratio
SNR F_IN = 1kHz @ 20Hz-20kHz A-weighted
90
dB
Output Noise Floor
V_N
Input short, non A-weighted @ 20Hz-20kHz
200
µV_RMS
Copyright © 2007
Rev. 1.2, 2007-03-20
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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