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ROHM Semiconductor - Analog Input Monaural Class-D Speaker Amplifier

Numéro de référence BD5468GUL
Description Analog Input Monaural Class-D Speaker Amplifier
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD5468GUL fiche technique
Small-sized Class-D Speaker Amplifiers
Analog Input
Monaural Class-D Speaker Amplifier
BD5468GUL
No.10101EAT08
Description
BD5468GUL is a monaural Class-D speaker amplifier that contained ALC function for mobile phone, portable type
electronic devices etc. LC filter of speaker output is not needed, can form monaural speaker amplifier. with 3 external parts.
ALC, short for Automatic Level Control, is a function that automatically adjusts up to the level of suppression of distortion
(clip) of output wave form during excessive input. The time until the limit release operation of output level is called the
release time (or recovery time). This IC adopts high-speed release time (4ms/1dB Typ.) and suits the application which
repeats big volume in the short time such as the camera shutter sound.
Through Class-D operation, efficiency is high low power consumption that is why it’s suitable for battery drive application.
The current consumption during shutdown when lowered to 0.01μA(Typ.), from the shutdown to the operation time is early
and at the same time pop sound is few that is why its also suitable in repeating active and shutdown.
Feature
1) Contains Digital ALC (Automatic Level Control) Function
2) External Parts: 3points
3) Ultra slim type package: 9pin WL-CSP(1.7×1.7×0.55mmMax.)
4) BD5460/61GUL (No ALC Function, Gain Fixed Goods) Pin Compatible Specs
BD5465/66/67GUL (ALC Function, Gain Fixed Goods) Pin Compatible Specs
5) Maximum Gain: 13dB (Typ.) [during ALC operation, 13-2dB@1dB Step]
6) ALC high speed release (recovery) time: 4ms/1dB(Typ.)
7) Limit output power : 0.7W (Typ.) [VDD=4.2V, RL=8, THD+N1%]
: 0.5W (Typ.) [VDD=3.6V, RL=8, THD+N1%]
8) Audio Analog Input (corresponds to single-end input / differential input)
9) Output LC filter free
10) Pop noise suppression circuit
11) Shutdown Function (use as mute at the same time) [low shutdown current = 0.01μA (Typ.)]
12) Contains protection circuit: output short, thermal shutdown, under voltage lockout (UVLO)
Applications
Mobile phone, Portable audio device, PND, DSC, Note-PC etc.
Absolute Maximum Rating (Ta=+25)
Parameter
Symbol
Ratings
Power Supply Voltage
Power Dissipation
VDDmax
PVDDmax
Pd
7.0
690
Storage Temperature Range
Tstg -55 +150
SDNB Pin Input Range
VSDNB
-0.3VDD+0.3
IN+, IN- Pin Input Range
VIN -0.3VDD+0.3
In case Ta=+25or more, 5.52 mW decrease per 1
When mounting Rohm Typical Board 50.0mm×58.0mm (Material :Glass Epoxy)
Unit
V
mW
V
V
Operation Range
Parameter
Symbol
Temperature
Topr
Power Supply Voltage
VDD
PVDD
Common Mode Input Voltage Range
VIC
This product is not designed for protection against radioactive rays.
Range
-40 +85
+2.5 +5.5
+0.5 VDD-0.8
Unit
V
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/19
2010.09 - Rev.A

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