Technical Note

2/18

www.rohm.com

2010.10 - Rev.A

© 2010 ROHM Co., Ltd. All rights reserved.

BD3401KS2,BD3402KS2

●

Electrical characteristics



BD3401KS2

Ta=25 ℃ , VCC=9V, VDD=5V, f=1kHz, Vi=1Vrms,RL=10kΩ,Rg=600Ω, INPUT SELECTOR=Ach, INPUT GAIN=0dB,

VOLUME=0dB, TREBLE=0dB, BASS=0dB, MIDDLE=0dB, TONE ATT=0dB, MUX=STEREO, MIXING=OFF, MIXING

GAIN=0dB, PLAY BACK=TAPE A, REC=OFF, LINE=OFF, MIC=OFF, BASS BOOST=OFF, SURROUND=OFF, AMS=OFF,

ALC=OFF, INPUT=pin59,60, OUTPUT=pin32,33, unless otherwise noted.

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

Circuit Current

IQ

-

35

50

mA

(No signal)

Output Voltage Gain

Gv

-2

0

2

dB

INPUT GAIN=0dB

Total Harmonic Distortion ratio

THDt

-

0.005 0.05

%

BW=400 to 30kHz

OUT=pin32,33,53,54

Maximum Output Voltage

Vomaxt

2.0

2.5

-

Vrms

THD=1%, BW=400 to 30kHz

OUT=pin32,33,53,54

Residual Noise Voltage*

Vr

-

1.8

6.0

µVrms Rg=0Ω, Vol=-

dB, BW=IHF-A,

Output Noise Voltage*

Vno

-

3.0

9.0

µVrms Rg=0Ω, Vol=0dB BW=IHF-A

Cross-talk between Channels*

CTC

-

-80

-70

dB

Rg=0Ω, BW=IHF-A

VOLOUT=1Vrms

Cross-talk between Selectors*

CTS

-

-80

-70

dB

Rg=0Ω, BW=IHF-A

Input Impedance

Rin

32

47

62

kΩ

Pin1 to 4, 59 to 64

Total Harmonic Distortion ratio

THDmix

-

0.01

0.1

%

BW=400 to 30kHz, MIXING=ON

INPUT SELECTOR=B

Maximum Output Voltage

Vomaxmix

2.0

2.5

-

Vrms

THD=1%, BW=400 to 30kHz

MIXING=ON

INPUT SELECTOR=B

Output Voltage Gain

Gvp

23

25

27

dB

Vi=20mVrms, pin5-6, 7-8=short

IN=pin9,10 OUT=pin6,7

Total Harmonic Distortion ratio

THDp

-

0.01

0.1

%

Vi=20mVrms BW=400 to 30kHz

pin5-6, 7-8=short

IN=pin9,10 OUT=pin6,7

Maximum Output Voltage

Vomaxp

2.0

2.5

-

Vrms

THD=1%, BW=400 to 30kHz

pin5-6, 7-8=short

IN=pin9,10 OUT=pin6,7

Noise Voltage in input term*

Vnin

-

0.7

6.0

µVrms

Rg=0Ω,BW=IHF-A

pin5-6, 7-8=short

IN=pin9,10 OUT=pin6,7

PB MUTE Amount

PBM

-

-

-70

dB

BW=IHF-A, pin5-6, 7-8=short

IN=pin9,10

PLAY BACK=MUTE

ALC Operation Level

ALC

0.5

0.7

0.9

Vrms

REC=ON ALC=ON

Total Harmonic Distortion ratio

THDr

-

0.2

1

%

BW=400 to 30kHz

OUT=pin14,15

REC=ON ALC=ON

Output Noise Voltage*

Vnor

-

40

120

µVrms

Rg=0Ω, BW=IHF-A

OUT=pin14,15

REC=ON ALC=ON