Technical Note

4/15

www.rohm.com

2010.10 - Rev.A

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

BD3403FV,BD3861FS,BD3883FS



BD3883FS

Ta=25℃, VCC=8V, f=1kHz, Vi=200mVrms, RL=10kΩ, Rg=600Ω,

Input Selector=Ach, Input Gain=0dB, Volume=0dB, Bass=0dB, Middle=0dB, Treble=0dB,

Surround=OFF, RECOUT=OFF, unless otherwise noted.

Parameter

Symbol

Limits

Unit

Condition

Min.

Typ.

Max.

Circuit Current

IQ

-

8

21

mA

At no signal

Total Output Voltage Gain

Gv

-2

0

2

dB

Total Harmonic Distortion

THDO

-

0.01

0.1

%

BW=400 to 30kHz

Maximum Output Voltage

Vomaxo

1.6

2.1

-

Vrms

THD=1%

BW=400 to 30kHz

Total Residual Noise Voltage

Vno

-

2

10

µVrms Rg=0

Ω

, Vol=-∞dB

BW=IHF-A, REAR ATT=-10dB

Total Output Noise Voltage

Vmno

-

4

15

µVrms

Rg=0Ω, Vol=0dB

BW=IHF-A

Cross-talk between Channels

CTC12

-

-80

-70

dB

Rg=0Ω, BW=IHF-A

VOUT=1Vrms

Input Impedance

Rin

70

100

130

kΩ

Output Impedance

Rout

-

-

50

Ω

Cross-talk between Selectors

CTS1

-

-80

-70

dB

VOUT=1Vrms

Rg=0Ω, BW=IHF-A

Volume Control Range

VRI

-90

-87

-84

dB

BW=IHF-A ,Vout=1Vrms

Volume Setting Error 1

VEI1

-2

0

2

dB

0 to -53dB,BW=IHF-A

VOUT=1Vrms

Volume Setting Error 2

VEI2

-3

0

3

dB

-54 to –87dB,BW=IHF-A

VOUT=1Vrms

Maximum Attenuation

Vmin

-

-

-90

dB

BW=IHF-A VOUT=1Vrms

Volume Input Impedance

Rvin

39

56

73

kΩ

Bass Gain

Gb

-17.5 to +17.5

dB

Bass Gain Setting Error

BE

-2.5

0

-2.5

dB

Middle Gain

Gm

-14 to +14

dB

Middle Gain Setting Error

ME

-2

0

-2

dB

Treble Gain

Gt

-14 to +14

dB

Treble Gain Setting Error

TE

-2

0

2

dB

Surround In-phase Gain

Vsur1

-2

0

2

dB

Surround Single-phase Gain

Vsur2

4.3

6.3

8.3

dB

AC-grounding

Opposite-phase Gain

Vsur3

8

10

12

dB

● This IC is not designed to be radiation-resistant.