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date
page
11/12/2018
1 of 6
MODEL:
CMM-4030DB-26354-TR
│
DESCRIPTION:
MEMS MICROPHONE
FEATURES
• digital (PDM)
• small package
• reflow solder compatible
• omnidirectional
ELECTRICAL
parameter
directivity
sensitivity (S)
supply voltage (V
DD
)
current consumption (I
DD
)
sensitivity reduction
frequency (f)
signal to noise ratio (S/N)
total harmonic distortion (THD)
acoustic overload point (AOP)
output impedance (Zout)
power supply rejection (PSR)
at 94 dB SPL, 1 kHz (A-weighted)
at 94 dB SPL, 1 kHz
at 10% THD, 1 kHz
at 1 kHz
100 mVp-p square wave at 217 Hz (A-weighted)
-90
V
DD
= 3.6 ~ 1.6 V
100
64
0.2
120
300
conditions/description
omnidirectional
at 94 dB SPL, 1 kHz
-29
1.6
-26
2.0
0.54
-0.5
10,000
-23
3.6
dB FS
V
mA
dB FS
Hz
dBA
%
dB SPL
Ω
dB FS
min
typ
max
units
DIGITAL INTERFACE
parameter
sleep current (I
SLEEP
)
fall-asleep time
wake-up time
short circuit current (I
SC
)
output load (C
LOAD
)
data format
clock frequency (F
CLOCK
)
clock duty cycle (F
DC
)
clock rise time (t
CR
)
clock fall time (t
CF
)
logic input/output low (V
IOL
)
logig input/output high (V
IOH
)
delay time for valid data (t
DV
)
delay time for high z (t
DH
)
Notes:
conditions/description
F
CLOCK
< 1 kHz
F
CLOCK
< 1 kHz
F
CLOCK
≥ 1 MHz
grounded data pin
1-Bit PDM
min
typ
3
max
4
50
52
units
µA
µs
ms
mA
pF
MHz
%
ns
ns
V
V
ns
ns
1
10
100
1.0
40
2.4
3.2
60
10
10
I
OUT
= 1 mA
I
OUT
= 1 mA
-0.30
0.65xV
DD
18
0
0.35xV
DD
V
DD
+0.3
60
16
1. All specifications measured at 23±2°C, humidity at 55±20%, V
DD
= 2.0 V, F
CLOCK
= 2.4 MHz, unless otherwise noted.
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For more information, please visit the
product page.
CUI Inc
│
MODEL:
CMM-4030DB-26354-TR
│
DESCRIPTION:
MEMS MICROPHONE
date
11/12/2018
│
page
2 of 6
TIMING CHARACTERISTICS
1/F
CLOCK
t
CF
CLOCK
t
CR
V
OH
V
OL
t
DH
DATE
(SELECT=V
DD
)
Mic(High)
Date
t
DV
Mic(High)
Date
t
DV
DATE
(SELECT=Gnd)
Microphone
Mic (High)
Mic (Low)
t
DH
Mic(Low)
Date
Mic(Low)
Date
Select (L/R)
V
DD
GND
High Z
High Z
Asserts Data On
rising clock edge
falling clock edge
Latch Data On
falling clock edge
rising clock edge
RECOMMENDED INTERFACE CIRCUIT
Vdd
Vdd
Vdd
Select
(L/R)
Mic
(Low)
Mic
(High)
Select
(L/R)
Select
(L/R)
Mic
(Low)
Vdd
Gnd Data Clock Vdd
Vdd
Gnd Data Clock Vdd
Codec
Codec
Single MIC
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Double MIC
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product page.
CUI Inc
│
MODEL:
CMM-4030DB-26354-TR
│
DESCRIPTION:
MEMS MICROPHONE
date
11/12/2018
│
page
3 of 6
ENVIRONMENTAL
parameter
operating temperature
storage temperature
RoHS
in packaging
yes
conditions/description
min
-40
-40
typ
max
105
85
units
°C
°C
MECHANICAL
parameter
dimensions
acoustic port
terminals
weight
conditions/description
4.00 x 3.00 x 1.10
bottom
surface mount
0.024
g
min
typ
max
units
mm
MECHANICAL DRAWING
units: mm
tolerance: ±0.1 mm
TERMINAL CONNECTIONS
TERM.
1
2
3
4
5
FUNCTION
VDD
DATA
CLOCK
L/R
GND
Recommended Vacuum Nozzle Pickup
Top View
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Recommended PCB Layout
Top View
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product page.
CUI Inc
│
MODEL:
CMM-4030DB-26354-TR
│
DESCRIPTION:
MEMS MICROPHONE
date
11/12/2018
│
page
5 of 6
SOLDERABILITY
parameter
reflow soldering
Note:
conditions/description
see reflow profile
min
typ
max
260
units
°C
1. Vacuuming over acoustical hole is not allowed.
2. Not suitable for wash process.
3. Not recommended to exceed 5 reflow cycles.
20~40 s
260
3°C/s max ramp up
6°C/s max ramp down
60~150 s
Temperature (°C)
217
200
150
60~180 s
25
480 s max
Time (sec)
PACKAGING
parameter
reel storage
4
MSL
reel size
reel QTY
Note:
conditions/description
at relative humidity <75%
Class 1
Ø170 mm max
1,000 pcs per reel
min
-40
typ
max
85
units
°C
4. Recommended storage period no more than 1 year. Floor life (out of bag) no more than 4 weeks.
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