Datasheet > BD5634NUX-TR

BD5634NUX-TR

更新时间： 2024-01-04 17:23:11

品牌	Logo	应用领域
罗姆 - ROHM		光电二极管
页数	文件大小	规格书
17页	515K
描述
Audio Amplifier, 0.85W, 1 Channel(s), 1 Func, PDSO8,

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BD5634NUX-TR 数据手册

Technical Note

BD5632NUX, BD5634NUX, BD5638NUX

●Electric characteristics

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

Limits

Parameter

Symbol

Unit

Conditions

MIN.

TYP.

2.7

MAX.

5.4

Circuit current (No signal)

Circuit current (Standby)

Output power1

I_CC

I_STBY

P_O1

P_O2

―

µA

Active mode, No load

Standby mode

―

450

550

5.5

0.1

680

850

6.0

―

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

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

Output power2

―

Voltage gain (BD5632NUX)

Voltage gain (BD5634NUX)

Voltage gain (BD5638NUX)

Switching Frequency

Start-up time

6.5

G_V

11.5

17.0

150

0.36

0.4

12.0

18.0

250

0.51

―

12.5

19.0

350

0.85

1.4

BTL

fosc

Ton

kHz

msec

STBY threshold voltage

Input impedance (STBY)

V_STBY

R_STBY

Active to standby shift

210

300

100

390

130

kohm

Input impedance (IN+/-)

(BD5632NUX)

Input impedance (IN+/-)

(BD5634NUX)

R_IN

kohm

Input impedance (IN+/-)

(BD5638NUX)

17.5

32.5

*1:B.W. =20 kHz-LPF, BTL: The voltage between 5 pin and 8 pin

●Measurement Circuit Diagram

VSTBY

OUT-

22µH

Bias

OSC

STBY

VSE

1µF

8Ω

GND

VBTL

10µF

0.47µF

IN+

IN-

VDD

Vin

H-

Bridge

PWM

0.47µF

22µH

OUT+

VSE

1µF

VDD

●Active/Standby Control

STBY Pin (1pin)

Mode

Active

Pin Level

Conditions

IC Active

Standby

IC Shutdown

www.rohm.com

2010.06 - Rev.A

2/14

123 4 5 6 7...17

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