Datenblatt für CMM-3722AT-42117-TR von Same Sky (Formerly CUI Devices)

date 01/15/20208
page 1 of 5
MODEL: CMM-3722AT-42117-TR DESCRIPTION: MEMS MICROPHONE
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FEATURES
• analog
• small package
• reflow solder compatible
• omnidirectional
ELECTRICAL
parameter conditions/description min typ max units
directivity omnidirectional
sensitivity (S) at 94 dB SPL, 1 kHz -43 -42 -41 dB
supply voltage (VDD) 1.6 2.0 3.6 V
current consumption (IDSS) VDD = 2.0 V 160 µA
sensitivity reduction VDD = 3.6 ~ 1.6 V -0.5 dB
frequency (f) 100 10,000 Hz
signal to noise ratio (S/N) at 94 dB SPL, 1 kHz (A-weighted) 57 dBA
total harmonic distortion (THD) at 94 dB SPL, 1 kHz 0.2 %
acoustic overload point (AOP) at 10% THD, 1 kHz 125 dB SPL
output impedance (Zout) at 1 kHz 300 Ω
Notes: 1. Allspecificationsmeasuredat23±2°C,humidityat55±20%,unlessotherwisenoted.
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature -40 105 °C
storage temperature in packaging -40 85 °C
RoHS yes
MECHANICAL
parameter conditions/description min typ max units
dimensions 3.76 x 2.24 x 1.10 mm
acoustic port top
terminals surface mount
weight 0.024 g
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Product Page (25050 8 30 8.84
date 01/15/2020 page 2 of 5
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CUI Devices MODEL: CMM-3722AT-42117-TR DESCRIPTION: MEMS MICROPHONE
MECHANICAL DRAWING
ĸ
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units: mm
tolerance:±0.1mm



RecommendedPCBLayout
Top View
Recommended Vacuum Nozzle Pickup
Top View


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ĺ
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TERMINALCONNECTIONS
TERM. FUNCTION
1 VDD
2 GND
3 GND
4 output
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Product Page +10dB +8dB +6dB +4dB +2dB OdB ,-—’ -2dB -4dB -6dB -8dB -10dB Sensifivity(dB) 100 10K uency(Hz)
date 01/15/2020 page 3 of 5
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CUI Devices MODEL: CMM-3722AT-42117-TR DESCRIPTION: MEMS MICROPHONE
FREQUENCY RESPONSE CURVE
APPLICATION CIRCUIT
ˉ
ˉ
ˇ
ˇ
Dashed Section
Re
presents
MEMS
Microphone
Term. 2 and Term. 3
(GND)
Term. 1 (VDD)
Term. 4
(Output)
VDD
0.1 µF
External Gain = -R2/R1
(Set By User)
R1
R2
0.1 µF
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Product Page . 05 9:1 508%1 @oee’eaoea ’ ‘1‘ 30i0.10 ‘0‘ 30$ 0. 05 :5, Soto‘ 05 mun-Isa ’8‘ 00i0‘ 10 .001‘0‘ 10 12 SEE“: mmm A00 0 ~2‘ Soil). 10
date 01/15/2020 page 4 of 5
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CUI Devices MODEL: CMM-3722AT-42117-TR DESCRIPTION: MEMS MICROPHONE
PACKAGING
parameter conditions/description min typ max units
reel storage4at relative humidity <75% -40 85 °C
MSL Class1
reel size Ø170 mm max
reel QTY 1,000 pcs per reel
Note: 4. Recommended storage period no more than 1 year. Floor life (out of bag) no more than 4 weeks.
SOLDERABILITY
parameter conditions/description min typ max units
reflowsoldering seereflowprofile 260 °C
Note: 1. Vacuuming over acoustical hole is not allowed.
2. Not suitable for wash process.
3.Notrecommendedtoexceed5reflowcycles.
Temperature (°C)
Time (sec)
25
150
200
217
260
60~180 s
60~150 s
20~40 s
480 s max
3°C/s max ramp up 6°C/s max ramp down
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date 01/15/2020 page 5 of 5CUI Devices MODEL: CMM-3722AT-42117-TR DESCRIPTION: MEMS MICROPHONE
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CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website.
CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no
responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any
component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or
effectiveness.
rev. description date
1.0 initial release 11/08/2018
1.01 brand update 01/15/2020
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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