Datasheet > BD5461GUL_10

BD5461GUL_10

更新时间： 2022-10-15 20:08:14

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
17页	423K
描述
Analog Input Monaural Class-D Speaker Amplifier

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数据手册

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BD5461GUL_10 数据手册

Technical Note

BD5461GUL

●Electric Characteristics

(Unless otherwise specified, Ta=25℃, VDD=3.6V, f=1kHz, RL=8Ω, AC item=LC Filter ; L=22µH, C=1µF )

Rating

Parameter

Symbol

Unit

Conditions

MIN.

―

TYP.

2.0

0.1

680

850

11.9

MAX.

4.0

Circuit current (No signal)

Circuit current (Standby)

Output power 1

I_CC

I_STBY

P_O1

μA

Active mode, No load

Standby mode

―

450

550

11.4

―

BTL, f=1kHz, THD+N=1% *1

BTL, f=1kHz, THD+N=10% *1

BTL

Output power 2

P_O2

―

Voltage gain

G_V

12.4

―

Power Supply Rejection Ratio

Output offset voltage

Switching Frequency

Start-up time

P_SRR

ΔVo

BTL, f=1kHz, Vripple=0.1Vpp *2

Vin=0V, BTL

-25

175

0.39

1.4

+25

325

0.73

VDD

0.4

kHz

msec

fosc

250

0.51

―

Ton

High-level

V_STBYH

V_STBYL

I_STBYH

I_STBYL

Active mode

Standby mode

V_STBY=3.6V

V_STBY=0V

Standby input Voltage

Standby input current

Low-level

High-level

Low-level

―

μA

-5

μA

BTL=Bridged Tied Load (Voltage between A3-C3.), *1;B.W.=400～30kHz,*2;DIN AUDIO

●Measurement Circuit Diagram

Vripple

10μ

VDD

VDD B1

PVDD

VSTBY

OUT-

STBY

22μH

Bias

OSC

VSE

1μ

0.1μ

IN+

VBTL

Vin

H-

Bridge

PWM

OUT+

IN-

22μH

VSE

1μ

GND A2

PGND

●Active / Standby Control

STBY Pin(C2pin)

Mode

Active

Pin level

Conditions

IC active

Standby

IC shutdown

www.rohm.com

2010.06 - Rev.A

2/16

123 4 5 6 7...17

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