LX1725ILQ Microsemi Analog Mixed Signal Group, LX1725ILQ Datasheet - Page 7

• Manufacturer Part Number: LX1725ILQ
• Description: IC AMP AUDIO 32W STER D 32MLPQ
• Manufacturer: Microsemi Analog Mixed Signal Group
• Series: AudioMAX™r
• Type: Class Dr

Specifications of LX1725ILQ

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 32W x 1 @ 8 Ohm; 16W x 2 @ 4 Ohm
• Voltage - Supply: 12 V ~ 35 V, ±6 V ~ 17.5 V
• Features: Depop, Differential Inputs, Mute, PWM, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 32-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Copyright © 2004
Rev. 1.2, 2005-12-06
Notes: Unless otherwise specified, the following specifications apply over the operating ambient temperature T
otherwise noted and the following test conditions: VPOS=+12V, VNEG=-12V, VGND = 0V, V5V = 5V, VCOM = 0V R
C
Note: Characteristics done by system module evaluation.
OSC
AUDIO CHARACTERISTICS
Output Power Stereo
Output Power BTL
Total Harmonic
Distortion Stereo
Total Harmonic
Distortion BTL
Power Efficiency
R
Power Efficiency
R
Channel Crosstalk
Audio Bandwidth
Stage Gain
Mute Output
Signal to Noise Ratio
Output Noise Floor
CURRENT LIMIT
Current Limit Threshold
Pulse Qualification Count
SUPPLY VOLTAGE LIMIT
Under Voltage Lock-
Out
L
L
=8Ω
=4Ω
= 220pF, Output LC filter 47uH/0.68uF, R
TM
Parameter
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Stereo
Stereo
Split
Single
R
R
R
R
R
R
Stereo
Stereo
HIGH
MID
LOW
L
L
L
L
L
L
=8Ω
=4Ω
=8Ω
=8Ω
=4Ω
=8Ω
S Y S T E M M O D U L E C H A R A C T E R I S T I C S
Symbol
THD+N
THD+N
THD+N
V
V
V
V
SNR
G
BW
XTALK
P
P
P
MUTE
V
I
UVLO
UVLO
η
SYS
TH
O
O
O
N
L
=8Ω, Test equipment built-in BPF 10Hz~22KHz.
Integrated Products Division
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Pout=1W, F=1KHz
Pout=1W, F=20-20KHz R
V
V
V
Input short, system muted, stereo
Input short, system muted, BTL
20-20KHz, non A-Weighted, 8Ω
20-20KHz, non A-Weighted, 4Ω
Input short, non A-Weighted @ 20-20KHz, 8Ω
Input short, non A-weighted @ 20-20KHz, 4Ω
Any 4 out of 5 clock periods
VPOS
VNEG
VPOS, VNEG tied to GND
POS
POS
POS
POS
POS
POS
POS
POS
POS
POS
POS
POS
POS
POS
IN
IN
IN
=200mVrms, F=20Hz~20KHz
=200mVrms, F=20Hz~20KHz
=200mVrms, F=20Hz~20KHz
/V
/V
/V
/V
-V
-V
/V
/V
/V
/V
-V
/V
/V
/V
®
Microsemi
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
NEG
=±12V; THD+N < 1%
=±12V; THD+N < 10%
=±12V; THD+N < 1%
=±12V; THD+N < 10%
=±12V; THD+N < 1%
=±12V; THD+N < 10%
=±12V ;Pout=1W, FIN=1KHz
=±12V ;Pout=1W, FIN=20~20KHz
=±12V ;Pout=1W, FIN=1KHz
=±12V ;Pout=1W, FIN=20~20KHz
=±12V;Pout=1W, FIN=1KHz
=±12V ;Pout=1W, FIN=20~20KHz
=±12V, Pout=Max, THD+N<1%
=±12V, Pout=Max, THD+N<1%
Test Conditions
L
15W+15W Stereo Class-D Amplifier
=8Ω
Filterless 30W Mono in BTL
P
RODUCTION
D
Min
89
80
+5
10
-5
ATA
LX1725
A
S
= 25°C except where
HEET
0.05
0.08
0.05
3.75
Typ
400
300
-60
-60
-60
12
16
25
32
91
85
26
20
14
85
89
7
9
2
4
ILIM
Max
0.08
0.08
0.5
0.1
0.3
0.3
4.0
3
= 50Kohm,
LX1725
µV
cycles
Units
dB
dB
dB
dB
dB
W
%
%
A
V
Page
RMS
7