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LY8892 데이터시트 PDF




Lyontek에서 제조한 전자 부품 LY8892은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 LY8892 기능
기능 2.0Watt Audio Power Amplifier
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LY8892 데이터시트, 핀배열, 회로
®
Rev. 1.4
LY8892
2.0Watt Audio Power Amplifier
FEATURES
„ 2.5V~5.5V Power supply.
„ Thermal shutdown Protection.
„ Low current shutdown mode
„ No output capacitors and networks or bootstrap
capacitors required
„ Low noise during turn-on and turn-off transitions
„ User selectable shutdown logic level.
(High or Low) (MSOP10 & DFN10 only)
„ Lead free and green package available.
(RoHS Compliant)
„ Space Saving Package
-- 8-pin MSOP package.
-- 8-pin DFN Package
-- 10-pin MSOP package.
-- 10-pin DFN Package
APPLICATION
„ Portable electronic devices
„ Mobile Phones
„ PDAs
GENERAL DESCRIPTION
The LY8892 is a 2.0W audio power amplifier. It is
capable of driving 4Ω speaker load at a continuous
average output of 2.0W with less than 10%
distortion (THD+N) from a 5.5V power supply and
8Ω speaker load at a continuous average output of
1.5W with less than 10% distortion (THD+N) from a
5.5V power supply.
The LY8892 primarily designed for high quality
application in other portable communication device.
And the LY8892 audio amplifier features low power
consumption shutdown mode. To facilitate this, The
shutdown function may be enabled by either logic
high or low depending on mode selection. Driving
the shutdown mode pin either high or low enables
the shutdown pin to be driven in a likewise manner
to enable shutdown.
And the LY8892 has an internal thermal shutdown
protection feature.
The LY8892 audio amplifier was designed
specifically to provide high quality output power with
a minimal amount of external components. The
LY8892 does not require output capacitors, and the
LY8892 is ideally suited for other low voltage
applications or portable electronic devices where
minimal power consumption is a primary
requirement.
PIN CONFIGURATION
www.DataSheet4U.com
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan
TEL: 886-3-6668838
FAX: 886-3-6668836
1




LY8892 pdf, 반도체, 판매, 대치품
®
Rev. 1.4
ABSOLUTE MAXIMUN RATINGS*
PARAMETER
Supply Voltage
Operating Temperature
Input Voltage
Storage Temperature
Power Dissipation
ESD Susceptibility
Junction Temperature
Soldering Temperature (under 10 sec)
SYMBOL
VDD
TA
VI
TSTG
PD
VESD
TJMAX
TSOLDER
LY8892
2.0Watt Audio Power Amplifier
RATING
6.0
-40 to 85 (I grade)
-0.3V to VDD +0.3V
-65 to 150
Internally Limited
2000
150
260
UNIT
V
V
W
V
DC ELECTRICAL CHARACTERISTICS (VDD=5V, TA=25℃)
PARAMETER
SYMBOL TEST CONDITION
Power Supply Current
IDD VIN = 0V, IO = 0A, 8Ω Load
Shutdown Current
ISD VSHUTDOWN = VSD Mode
Shutdown Voltage Input High
VSDIH VSD Mode = VDD
Shutdown Voltage Input Low
VSDIL VSD Mode = VDD
Shutdown Voltage Input High
VSDIH VSD Mode = GND
Shutdown Voltage Input Low
VSDIL VSD Mode = GND
Output Offset Voltage
VOS
Resistor Output to GND
ROUT-GND
www.DataSheet4U.com
THD = 1% , f = 1 kHz
RL=8
THD = 10% , f = 1 kHz
RL=8
Output Power
Po
THD = 1% , f = 1 kHz
RL=4
THD = 10% , f = 1 kHz
RL=4
THD = 10% , f = 1 kHz
RL=4(at 5.5V)
Total Harmonic Distortion+ Noise THD+N Po = 0.4 Wrms; f = 1kHz
Vripple = 200mV sine p-p
Power Supply Rejection Ratio
PSRR
Input terminated with 10Ω
to GND
Wake-up time
Thermal Shutdown Temperature
Shut Down Time
TWU
TSD
TSDT
Bypass Cap.=1.0uF, 5.0V
8 load
MIN.
-
-
-
-
-
-
-
7.0
-
-
-
-
-
-
-
-
150
TYP.
5.0
0.1
1.5
1.3
1.5
1.3
7.0
8.5
1.0
1.4
1.4
1.8
2.0
0.13
62 (f =
217Hz)
66 (f =
1kHz)
145
170
1.0
MAX.
15.0
2.0
-
-
-
-
50.0
9.7
-
-
-
-
-
-
190
UNIT
mA
µA
V
mV
kΩ
W
%
dB
ms
ms
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan
TEL: 886-3-6668838
FAX: 886-3-6668836
4

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LY8892 전자부품, 판매, 대치품
®
Rev. 1.4
LY8892
2.0Watt Audio Power Amplifier
Figure 3. Audio Amplifier with Single –Ended Input Application Schematic (DFN10 & MSOP10 package)
www.DataSheet4U.com
Figure 4. Audio Amplifier with Differential Input Application Schematic (DFN10 & MSOP10 package)
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan
TEL: 886-3-6668838
FAX: 886-3-6668836
7

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