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參數資料
| 型號： | LX1725ILQ |
| 廠商： | MICROSEMI CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 16 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封裝： | 7 X 7 MM, ROHS COMPLIANT, PLASTIC, MLPQ-32 |
| 文件頁數： | 1/23頁 |
| 文件大?。?/td> | 377K |
| 代理商： | LX1725ILQ |
LX1725
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
1
Page
WWW
.Microse
m
i
.CO
M
15W+15W Stereo Class-D Amplifier
Filterless 30W Mono in BTL
Copyright
2004
Rev. 1.1, 2005-11-04
TM
DESCRIPTION
The Microsemi LX1725 is part of a
new generation of fully integrated
stereo
class-D
amplifiers
from
Microsemi. The fully integrated half-
bridge output for each channel works
with both split and single power
supply operation. The outputs can be
bridged to run in BTL (Bridge Tied
Load) mode. In BTL mode, 3-level
modulation
is
used
which
allow
operation without an L-C filter to
reduce system cost and area. The
LX1725 has >90% efficiency, with
typical output power up to 15W+15W
in stereo, and 30W BTL into a 4
Ω
load with less than 1% THD+N. The
amplifier operates over a wide supply
voltage range of ±6V to ±15V split
supply or 12V to 30V single supply,
and consumes a very little quiescent
current.
The LX1725 features Mute and
Standby modes, over-current protection,
POP-free turn-on and turn-off, under-
voltage lockout, over-voltage protection
and over-temperature protection. All
built-in
protection
modes
allow
automatic
recovery
when
the
fault
condition has been cleared. The gain is
pin selectable between 14 / 20 / 26dB to
accommodate different signal source
amplitudes.
Several LX1725s can be
easily synchronized together to prevent
beat frequency interference in multi-
channel applications..
The LX1725 comes in a MLPQ 32
pin package with a 7mmx7mm small
outline surface mount.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
PRODUCT H I GHLIGHT
LX1725
1
2
3
4
5
6
7
8
910
11
12
13
1415
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VPOSA
VCOMA
SYNC
FLAG
RILIM
VREF
COSC
VNEGA
MASTER
VPOS2
OUT2
VNEG2
VNEG1
OUT1
VPOS1
STBY
IN
2
P
IN2M
N.C
.
N.C
.
OU
T
R
E
F
2
VN
E
G
A
VG
N
D
MU
T
E
V
C
OM
V5
V
HIGA
IN
OU
T
R
E
F
1
N.
C
.
N.
C
.
IN
1
M
IN1
P
1F
IN1P
IN1N
VPOS
VCOM
Sychronize
FLAG
R
LIM
1F 35V
C
OSC
VNEG
1F
IN2P
1F
IN2N
MUTE / GAIN
Master / Slave
VPOS
22H
820nF
22H
VNEG
VPOS
STBY
4.7F
35V
+5V
VCOM
HIGAIN
VNEGA
KEY FEATUR ES
12Wx2 @ 4
Ω THD+N<1%
16Wx2 @ 4
Ω THD+N<10%
25W BTL @ 8
Ω THD+N<1%
32W BTL @ 8
Ω THD+N<10%
High Efficiency: >90% @8
Ω
Full Audio Band: 20Hz~20KHz
Low Distortion:
<0.1% @1KHz, 8
Ω
<0.4% @20~20KHz, 8
Ω
High Signal-to-Noise Ratio:
>85dB non A-Weighted
Split/Single Power Supply
Wide Supply Voltage Range:
±6V ~ ±15V or 12V ~ 30V
Low Quiescent Current <20mA
Turn ON/OFF POP Free
STANDBY/MUTE Feature
Programmable Gain
14/20/26dB
Built-in Over Current Protection
Built-in Under Voltage Lockout
Thermal Shut Down
Power Limiting Based on Die
Temperature (gain fold back)
Synchronization
APPLI C ATION S
LCD TV, PDP Sets
CD/DVD Combo Player
Combo DVD 5.1 Amplifier
Home Theater System
Computer Speaker System
Game Machine
PACKAGE ORDER INFO
LQ
Plastic MLPQ
32-PIN
TJ(°C)
RoHS Compliant / Pb-free
-40 to +85
LX1725ILQ
Note: Available in Tape & Reel. Append the letters “TR” to the part
number. (i.e. LX1725ILQ-TR)
LL
XX
11
77
22
55
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LX1725ILQTR | 制造商:Microsemi Corporation 功能描述:Audio Amp Speaker 1-CH Mono/2-CH Stereo 32W Class-D 32-Pin MLPQ T/R |
| LX1725ILQ-TR | 制造商:Microsemi Corporation 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 32W/16W CLS-D 32MLPQ - Tape and Reel |
| LX1732 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:High Current PFM Boost Converter |
| LX1732-03 EVAL KIT | 制造商:Microsemi Corporation 功能描述:DC:DC CONVERTER - Bulk |
| LX1732-05 EVAL KIT | 制造商:Microsemi Corporation 功能描述:DC:DC CONVERTER - Bulk |
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