Microphone, Frequency resonse curve – BeStar BCM9767OFCF-38 LF User Manual
Page 2
C
C
A
6
Rev.
5
Drawn
B
3
Approved by:
4
Note
Checked by:
Drawn by:
Date:
2
A
1
B
T
h
is
p
ri
n
t
a
n
d
i
n
fo
rm
a
tio
n
t
he
re
i
n
a
re
p
ro
p
ri
e
ta
ry
t
o
B
e
s
ta
r
E
le
c
tr
o
n
ics
I
ndu
s
tr
y
C
o
.,
L
td.
a
nd
s
h
a
ll
no
t
b
e
u
s
ed
i
n
w
h
o
le
o
r
in
pa
rt
w
ith
ou
t
it
s
w
ri
tt
en
c
on
tent
D
E
F
G
H
6
5
3
4
2
D
E
F
G
H
1
王焕焕
Microphone
BCM9767OFCF-38 LF
Page:2 of 6
DRG NO:
Date
徐 波
张秀琴
10.04.28
BS/TEM01.154A
王焕焕
1. Characteristics
Test Condition (Vs=4.5V RL=2.2Kohm Ta=20 C R.H.=65%)
Frequency(Hz)
S
o
u
n
d
P
re
s
s
u
re
L
e
v
e
l
(d
B)
+20
+10
0
-10
-20
-30
20
50
100
200
500
1k
2k
5k
10k
20k
★Frequency Resonse Curve
No. Item Specifications
1 Sensitivity -38
3dB(0dB=1V/
μBar,1kHz)
2 Impedance 2.2kohm at 1KHz
3 Current Consumption 0.5mA Max.
4 Standard operation voltage 1.0-10V
5 Directional Omnidirectional
6 S/N Ratio more than 55dB(0dB=1V/
μBar,1kHz)
7 Max. Input Sound Level 115dB S.P.L
8 Frequency Response 50Hz~16kHz
9 Decreasing Voltage Characteristic -3dB(Vs=3.0V-2.0V)
10 Weight Less than 1.3g
-6
+3
-3
+8
-8
BCM9767OFCF-38 LF
A
+3
-3
0
10.04.28
Acoustics & Sensor