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RT5509 データシート(PDF) 1 Page - Richtek Technology Corporation

部品番号 RT5509
部品情報  Speaker Amplifier with Speaker Protection
Download  58 Pages
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メーカー  RICHTEK [Richtek Technology Corporation]
ホームページ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5509 データシート(HTML) 1 Page - Richtek Technology Corporation

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RT5509
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS5509-00
August
2017
www.richtek.com
1
Speaker Amplifier with Speaker Protection
General Description
The RT5509 is a mono BTL class-D amplifier with
cutting-edge speaker protection algorithm. Also, a
built-in DC-DC step-up converter is used to provide
efficient power for class-D amplifier. I2S interface
supports two different audio sources while a pair of
auxiliary DATAI/O is used for stereo mode or
pass-through application. Chip information including
gain, speaker protection output or current sense is able
to be monitored via DATAO through proper register
setting. Speaker protection provides mechanical /
thermal protection with accuracy of 10%/±10
C of rated
limit.
Ordering Information
RT5509
Package Type
WSC : WL-CSP-48B 3.04x2.99 (BSC)
Note :
Richtek products are :
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
Suitable for
use in
SnPb
or
Pb-free soldering
processes.
Marking Information
0R YM
DNN
0R : Product Code
YMDNN : Date Code
Features
Class-D Speaker AMP
4.3W Output Power @ 9.5V, 8
 Load, THD < 1%
0/3/6/9/12/15/18dB Boost Gain
20
V Output Noise @ 0dB Gain
Boost Converter
Adaptive Boost for Speaker, Boost from
Battery Supply Up to Programmed Voltage,
Max 9.5V
Power Modes : Adaptive Boost, Fixed Boost,
Bypass Mode
Switching Frequency 2MHz, Maximum Output
Current 1.5A
Support CCM / DCM Compensation, Feedback
AD
Digital Part : Voltage Loop in Boost Mode
Digital
Digital Audio Interface Support I
2S,
Left-Justified, Right-Justified
I
2S Sampling Rate Support Up to 48kHz, 24-bit
Digital Filter, Digital Volume, DRC/Noise Gate
Speaker Protection
Speaker Amplitude Estimation Accuracy : Error
< 10%
Bl Calibration Function
Temperature Sensing
Speaker Temperature Estimation Accuracy :
Error < ±10
C
Applications
Smart Phone
Tablet
Simplified Application Circuit
Control
Interface
VSPOUTN
VSPOUTP
1.8V
VBAT
LX
SDA
SCL
LRCK1
BCK1
DAI1
DATAO
RT5509
GND


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