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PDF LY8663 Data sheet ( Hoja de datos )
| Número de pieza | LY8663 | |
| Descripción | Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function | |
| Fabricantes | Lyontek | |
| Logotipo |  |
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®
Rev. 1.7
LY8663
Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function with
Active-high shutdown mode
FEATURES
2.5V~5.5V Power supply.
Thermal shutdown Protection.
Low current shutdown mode
Low noise during turn-on and turn-off transitions.
Support “Click and pop” suppression circuitry
Stereo headphone amplifier mode.
Shutdown pin high active.
Lead free and green package available.
(RoHS Compliant)
Space Saving Package
-- TSSOP 14 pin Packaging .
APPLICATION
Portable and desktop computers
Multimedia Monitors
Portable Audio System
GENERAL DESCRIPTION
The LY8663 is a dual stereo audio power amplifier.
It is capable of driving 4 Ω speaker load at a
continuous average output of 2.0W / 10% distortion
(THD+N) from at 5.5V power supply. The LY8663
primarily designed for high quality output power
from application in other portable communication
device and portable and desktop computers device.
The LY8663 audio amplifier features low power
consumption in shutdown mode. It is achieved by
driving the shutdown pin with logic high. And the
LY8663 has an internal thermal shutdown protection
feature.
To simplify audio system design and the LY8663
audio amplifier supports dual Bridge-Tied Load (BTL)
speaker amplifier and stereo Single-End (SE)
headphone. It is ideally suited for other low voltage
applications or portable electronic devices where
minimal power consumption is a primary
requirement.
PIN CONFIGURATION
LY8663 TSSOP14 Pin Configuration (Top View)
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
1 page  
®
Rev. 1.7
LY8663
Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function with
Active-high shutdown mode
DC ELECTRICAL CHARACTERISTICS (VDD=3.6V, TA=25℃)
PARAMETER
Power Supply Current
Shutdown Current
Shutdown, Headphone
High Input Voltage
Shutdown, Headphone
Low Input Voltage
Wake-up time
SYMBOL TEST CONDITION
IDD
VIN = 0V, IO = 0A,
8Ω Load (BTL)
ISD
VSHUTDOWN = 0V
HP sense= GND
Sense VSDIH
Sense VSDIL
TWU Bypass cap.=1.0uF
Output Offset Voltage
Output Power
Total Harmonic Distortion+ Noise
www.DataSheet4U.com
Power Supply Rejection Ratio
VOS
Po
THD+N
PSRR
THD+N = 1%, f = 1 kHz,
RL=8Ω
THD+N = 10%, f = 1 kHz
RL=8Ω
THD+N = 1%, f = 1 kHz
RL=4Ω
THD+N = 10%, f = 1 kHz
RL=4Ω
THD+N = 0.1%, f = 1 kHz,
RL=32Ω (SE Mode)
THD+N = 0.1%, f = 1 kHz,
RL=16Ω (SE Mode)
Po = 0.35 W; f = 1kHz,
VDD=3.6V; RL=8Ω
Vripple = 200mV sine p-p
Input terminated with 10Ω
to GND
Output voltage noise
Thermal Shutdown Temperature
Shut Down Time
Vn
TSD
TSDT
f = 20 Hz to 20 kHz,
A-weighting
f = 20 Hz to 20 kHz,
A-weighting (SE mode)
8 Ω load
MIN.
-
TYP.
10.0
MAX.
16.5
- 0.1 2.0
1.4 -
-
- - 0.4
- 82 -
- 7.0 50
- 0.5 -
- 0.65
-
- 0.65
-
- 0.8 -
- 45 -
- 83 -
- 0.12
-
56 (f =
-
217Hz)
62 (f =
-
1kHz)
- 37.5
-
- 15 -
150 170 190
- 1.0 -
UNIT
mA
µA
V
V
ms
mV
W
mW
%
dB
uV
℃
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
5
5 Page 
®
Rev. 1.7
LY8663
Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function with
Active-high shutdown mode
PACKAGE OUTLINE DIMENSION
14-Pin TSSOP Package Outline Dimension
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
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LY8663.PDF ] | |
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