BD5471MUV ROHM Co. Ltd., BD5471MUV Datasheet

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BD5471MUV

Manufacturer Part Number
BD5471MUV
Description
Stereo Class-d Speaker Amplifier For Notebook Pc
Manufacturer
ROHM Co. Ltd.
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BD5471MUV-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
Absolute Maximum Ratings (Ta=+25℃)
Operating Conditions
Structure:
Product Name
Part Number
Measurement circuit
Package Outlines
Block Diagram
Pin Assignment
Function/Features
*1 74.2mm×74.2mm×1.6mm, FR4 1-layer glass epoxy board(Copper on top layer 0%)
*2 74.2mm×74.2mm×1.6mm, FR4 4-layer glass epoxy board(Copper on bottom 2 and 3 layer 100%)
*3 Input Terminal (INL+, INL-, INR+, INR-)
*4 Control Terminal (MUTE, G0, G1, EAPD, BEEP, REG_SD)
Control Terminal Input Voltage Range *4
Input Terminal Input Voltage Range *3
Derating in done at 5.6mW/
Derating in done at 17.6mW/
※This product is not designed for protection against radioactive rays.
Storage Temperature Range
Power Supply Voltage
Power Dissipation
Power Supply Voltage
Silicon Monolithic IC
Stereo Class-D Speaker Amplifier for Notebook PC
BD5471MUV
Fig.1
Fig.2 VQFN024V4040 (Plastic Mold)
Fig.3
Fig.4
・High output power
・Gain selectable by the external control(6,12,18,24dB)
・Pop noise suppression circuitry
・Standby function (Mute function)
・Protection circuitry (Short protection, Thermal shutdown, Under voltage lockout)
・Built-in 3.3V regulator
・Built-in BEEP detect circuitry
・High power small package VQFN024V4040
Temperature
2.5W /4Ω/ BTL ( VDD=5V, THD+N=10%)
1.5W /8Ω/ BTL ( VDD=5V, THD+N=10%)
Item
Item
for operating above Ta=25
for operating above Ta=25
REV. A
Symbol
VDD
Tstg
Vctl
Symbol
Vin
Pd
VDD
Topr
. There are thermal via on the board
. There are thermal via on the board
-0.3~VDD+0.3
-0.3~VDD+0.3
-55 ~ +150
+4.5 ~ +5.5
-40 ~ +85
0.7 *1
2.2 *2
Rating
7.0
Range
Unit
W
W
V
V
V
Unit
V
1/4

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BD5471MUV Summary of contents

Page 1

... Structure: Silicon Monolithic IC Product Name Stereo Class-D Speaker Amplifier for Notebook PC BD5471MUV Part Number Measurement circuit Fig.1 Package Outlines Fig.2 VQFN024V4040 (Plastic Mold) Block Diagram Fig.3 Pin Assignment Fig.4 Function/Features ・High output power 2.5W /4Ω/ BTL ( VDD=5V, THD+N=10%) 1.5W /8Ω/ BTL ( VDD=5V, THD+N=10%) ・ ...

Page 2

Electric Characteristics (Unless otherwise specified, Ta=+25℃, VDD=+5.0V, AC item=LC Filter ; L=22µH, C=1µF) Item Symbol Circuit current (Active Circuit current (Standby) I CCS Circuit current (Regulator) I CCR Circuit current (Shutdown) I CCSD <Speaker Amplifier> Output power ...

Page 3

A 2.2μF 0.1μF INL ~ + ~ 0.1μF INL BEEP DET_C 2 EAPD 8 A MUTE 0.1μF INR ...

Page 4

Cautions on use (1) Absolute maximum ratings This IC may be damaged if the absolute maximum ratings for the applied voltage, temperature range, or other parameters are exceeded. Therefore, avoid using a voltage or temperature that exceeds the absolute ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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