BH3856 Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BH3856

2-wire serial sound control IC

ROHM Semiconductor 

Audio ICs

BH3856S / BH3856FS

!Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 9V, f = 1kHz, BW = 20 ~ 20kHz, VOL = Max.,

TONE = ALL FLAT, Rg = 600Ω, RL = 10kΩ)

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Quiescent current

IQ

−

20 27 mA No signal

Maximum input

Vim 2.3 2.5 − Vrms THD=1%, VOL=−20dB (ATT)

Maximum output

Vom 2.3 2.5 − Vrms THD=1%

Voltage gain

Gv −1.5 0 +1.5 dB VIN=1Vrms

Maximum attenuation

ATT 90 110 −

dB Vo=1Vrms

Crosstalk

VCT

70

80

−

dB Vo=1Vrms

Low range control width

VB Max. +12

VB Min. −18

+15 +18

−15 −12

dB 100Hz, VIN=100mVrms

dB 100Hz, VIN=100mVrms

High range control width

VT Max. +12

VT Min. −18

+15 +18

−15 −12

dB 100kHz, VIN=100mVrms

dB 100kHz, VIN=100mVrms

Matrix surround single-channel gain

GSR

4

6

8

dB Vo=1Vrms

∗

Total Harmonic distortion

Output noise voltage

Residual output noise voltage

THD

−

0.01 0.1

% Vo=0.5Vrms, BPF=400Hz~30kHz

VNO1

−

45 65 µVrms No signal, VOL=Max., Rg=0

∗

VMNO

−

2

10 µVrms No signal, VOL=−∞, Rg=0

∗

Reference power supply output voltage Vref

Reference power supply

output current capacity

Iref

3.5 3.8 4.1

V Iref=3mA

3.0 10

−

mA Vref > 3.7V

Channel balance

GCB −1.5

0

+1.5

dB

channel 1 taken as the standard for

measurements.

Input impedance

RIN

33

47 61 kΩ f=1kHz

Output impedance

ROUT

−

−

10

Ω f=1kHz

Ripple rejection ratio

RR 40

−

−

dB f=100Hz, VRR=1Vrms

Input high level voltage

VIH

4

−

−

V SCL, SDA

Input low level voltage

VIL

−

−

1

V SCL, SDA

∗ Measurement performed using Matsushita Communication Industrial VP-9690A DIN AUDIO filter (average value wave detection, effective value display).

Not designed for radiation resistance.

Signal input occurs in equiphase.

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