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LY8895 데이터시트 PDF




Lyontek에서 제조한 전자 부품 LY8895은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 LY8895 기능
기능 1.4 Watt Audio power Amplifier
제조업체 Lyontek
로고 Lyontek 로고


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LY8895 데이터시트, 핀배열, 회로
®
Rev. 1.4
LY8895
1.4 Watt Audio power Amplifier
FEATURES
„ 2.5V~5.5V Power supply.
„ Thermal shutdown Protection.
„ Low current shutdown mode
„ No capacitors and networks or bootstrap
capacitors required
„ Low noise during turn-on and turn-off transitions
„ Headphone amplifier mode.
„ Lead free and green package available.
(RoHS Compliant)
„ Space Saving Package
-- 8-pin MSOP package.
APPLICATION
„ Portable electronic devices
„ Mobile Phones
„ PDAs
GENERAL DESCRIPTION
The LY8895 is a 1.4 Watt audio power amplifier. And
the LY8895 primarily designed for high quality
application in other portable communication device.
It is capable of driving 8 Ω speaker load at a
continuous average output of 1.4W / 10% distortion
(THD+N) from a 5.0V power supply.
A feature of the LY8895 amplifier to switch BTL
mode and headphone mode (single-ended) is
accomplished using the headphone sense pin. And
the LY8895 audio amplifier features low power
consumption shutdown mode. It is achieved by
driving the shutdown pin with logic low. Besides the
LY8895 has an internal thermal shutdown protection
feature.
The LY8895 amplifier was designed specifically to
provide high quality output power with a minimal
amount of external components. The LY8895 does
not require output capacitors, and the LY8895 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




LY8895 pdf, 반도체, 판매, 대치품
®
Rev. 1.4
LY8895
1.4 Watt Audio power Amplifier
DC ELECTRICAL CHARACTERISTICS (VDD=3V, TA=25℃)
PARAMETER
SYMBOL TEST CONDITION
Power Supply Current
IDD
VIN = 0V, IO = 0A, No Load
VIN = 0V, IO = 0A, 8Ω Load
Shutdown Current
ISD VSHUTDOWN = 0V
HP Sense high input voltage
VIH
HP Sense low input voltage
VIL
Output Offset Voltage
VOS
Wake-up time
TWU
THD = 10% , f = 1 kHz
RL = 8,
HP Sense < 0.2xVDD
THD = 1% , f = 1 kHz
Output Power
Po RL = 8,
HP Sense < 0.2xVDD
THD = 1% (max), f = 1kHz,
RL = 32,
HP Sense > 0.8xVDD
Total Harmonic Distortion+ Noise THD+N Po = 0.25 Wrms , f = 1kHz
Power Supply Rejection Ratio
PSRR Vripple = 200mV sine p-p
Input terminated with 10Ω
to GND
Thermal Shutdown Temperature TSD
MIN.
-
-
-
0.8xVDD
-
-
-
TYP.
3.0
3.5
0.1
-
-
7.0
114
MAX.
8.0
9.0
2.0
-
0.2xVDD
50.0
0.46
- 0.375
- 35
- 0.13 -
- 56 (f = -
217Hz)
62 (f =
1kHz)
150 170 190
UNIT
mA
mA
µA
V
V
mV
ms
W
W
mW
%
dB
www.DaOtaSRhDeeEt4UR.cIoNmG INFORMATION
LY 8 895 VV
V : Package Type
UL8-Pin MSOP
Product Name
A : Product Line
LY : Lyontek Product Number Prefix
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
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