BH3856 ROHM [Rohm], BH3856 Datasheet - Page 6

• Manufacturer Part Number: BH3856
• Description: 2-wire serial sound control IC
• Manufacturer: ROHM [Rohm]

Audio ICs
! ! ! ! Electrical characteristics (unless otherwise noted, Ta = 25°C, V
∗
Low range control width
Quiescent current
Maximum input
Maximum output
Voltage gain
Maximum attenuation
Crosstalk
High range control width
Matrix surround single-channel gain
Total Harmonic distortion
Output noise voltage
Residual output noise voltage
Reference power supply output voltage
Reference power supply
output current capacity
Channel balance
Input impedance
Output impedance
Ripple rejection ratio
Input high level voltage
Input low level voltage
Not designed for radiation resistance.
Signal input occurs in equiphase.
Measurement performed using Matsushita Communication Industrial VP-9690A DIN AUDIO filter (average value wave detection, effective value display).
Parameter
TONE = ALL FLAT, R
VB Max.
VT Max.
Symbol
VB Min.
VT Min.
VM
V
Vom
THD
R
ATT
Vim
G
G
V
V
R
RR
Gv
V
V
I
I
NO
ref
OUT
Q
CT
SR
ref
CB
IH
IN
IL
NO
1
−1.5
−1.5
Min.
+12
−18
+12
−18
2.3
2.3
3.5
3.0
90
70
33
40
−
4
−
−
−
−
4
−
g
= 600Ω, R
Typ.
0.01
110
+15
−15
+15
−15
2.5
2.5
3.8
20
80
45
10
47
0
6
2
0
−
−
−
−
L
Max.
+1.5
+1.5
+18
−12
+18
−12
= 10kΩ)
0.1
4.1
27
65
10
61
10
−
−
−
−
8
−
−
−
1
CC
= 9V, f = 1kHz, BW = 20 ~ 20kHz, VOL = Max.,
µ Vrms
µ Vrms
Vrms
Vrms
Unit
mA
mA
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
dB
%
V
Ω
V
V
No signal
THD=1%, VOL=−20dB (ATT)
THD=1%
V
Vo=1 Vrms
Vo=1 Vrms
100Hz, V
100Hz, V
100kHz, V
100kHz, V
Vo=1 Vrms
Vo=0.5 Vrms , BPF=400Hz
No signal, VOL=Max., R
No signal, VOL=−
I
V
channel 1 taken as the standard for
measurements.
f=1kHz
f=1kHz
f=100Hz, V
SCL, SDA
SCL, SDA
ref
IN
ref
=3mA
=1 Vrms
>
BH3856S / BH3856FS
3.7V
IN
IN
IN
IN
=100m Vrms
=100m Vrms
RR
=100m Vrms
=100m Vrms
=1 Vrms
Conditions
∞
, R
g
=0
g
=0
~
30kHz
∗
∗
∗