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2009.07 - Rev.A

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Technical Note

2/8

BH3541F, BH3544F, BH3547F, BH3548F

●

Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32Ω,f=1kHz,BW=400～30kHz

BH3541F : VIN=0dBV, BH3544F, BH3547F, BH3548F : VIN =-6dBV)

Parameter

Symbol

TYP.

Unit

Conditions

BH3541F BH3544F BH3547F BH3548F

Quiescent current

7

3.7

6.5

mA

Mute pin control voltage H

1.6<

V

Mute OFF

Mute pin control voltage L

<0.3

V

Mute ON

Gain

0

6

dB

-

Gain difference between

channels

△

0

dB

-

Total harmonic distortion

THD

0.02

0.05

0.02

%

BW=20～20kHz

Rated output 1

31

46

31

mW

(BH3541F,BH3544F,BH3548F)

(BH3547F)

Rated output 2

62

77

62

mW

(BH3541F,BH3544F,BH3548F)

(BH3547F)

Rated output 3

-

120

mW

(BH3548F)

Output noise voltage

-93

dBV BW=20～20kHz,Rg=0Ω

Channel separation

CS

-90

-87

-90

dB

Rg=0Ω

Mute attenuation

ATT

-80

dB

Rg=0Ω

Ripple rejection

RR

-57

dB

Input resistance

Rin

180

90

kΩ

-

●

Reference data

BH3541F/BH3544F

BH3541F/BH3544F

BH3541F/BH3544F

Fig. 1 Quiescent current vs.

power supply voltage

Fig. 2 in DC current vs.

power supply voltage

Fig. 3 Output voltage vs.

Mute control voltage