Additional Resources: Product Page | 3D Model | PCB Footprint date 01/15/2020 page 1 of 5 MODEL: CMM-3312AT-44308-TR DESCRIPTION: MEMS MICROPHONE FEATURES * * * * * round analog small package reflow solder compatible omnidirectional ELECTRICAL parameter conditions/description directivity omnidirectional sensitivity (S) at 94 dB SPL, 1 kHz supply voltage (VDD) current consumption (IDSS) VDD = 2.0 V sensitivity reduction VDD = 3.6 ~ 1.6 V min typ max units -47 -44 -41 dB 1.6 2.0 3.6 80 -0.5 frequency (f) 100 V A dB 10,000 Hz signal to noise ratio (S/N) at 94 dB SPL, 1 kHz (A-weighted) 58 dBA total harmonic distortion (THD) at 94 dB SPL, 1 kHz 0.2 % acoustic overload point (AOP) at 10% THD, 1 kHz 105 output impedance (Zout) at 1 kHz Notes: dB SPL 300 1. All specifications measured at 232C, humidity at 5520%, unless otherwise noted. ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature in packaging RoHS yes max units -40 typ 100 C -40 70 C max units MECHANICAL parameter conditions/description dimensions O3.30 x 1.20 acoustic port top terminals surface mount min typ mm weight 0.023 cuidevices.com g Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices MODEL: CMM-3312AT-44308-TR DESCRIPTION: MEMS MICROPHONE date 01/15/2020 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.1 mm TERMINAL CONNECTIONS TERM. FUNCTION 1 VDD output 2 GND f Recommended Vacuum Nozzle Pickup Top View Recommended PCB Layout Top View cuidevices.com Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices MODEL: CMM-3312AT-44308-TR DESCRIPTION: MEMS MICROPHONE date 01/15/2020 page 3 of 5 FREQUENCY RESPONSE CURVE F re q u e n c y R e s p o n s e (0 d B = 1 V /P a ) +25dB +20dB Sensitivity(dB) +15dB +10dB +5dB 0dB -5 d B -1 0 d B -1 5 d B -2 0 d B -2 5 d B 100 200 500 1K F re q u e n c y (H z ) APPLICATION CIRCUIT cuidevices.com 2K 5K 10K Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices MODEL: CMM-3312AT-44308-TR DESCRIPTION: MEMS MICROPHONE date 01/15/2020 page 4 of 5 SOLDERABILITY parameter conditions/description reflow soldering see reflow profile min typ max units 260 C max units 70 C Note: 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 Temperature (C) 3C/s max ramp up 217 6C/s max ramp down 60~150 s 200 150 60~180 s 25 480 s max Time (sec) PACKAGING parameter conditions/description min reel storage at relative humidity <75% -40 MSL Class 1 reel size O170 mm max 4 reel QTY 1,000 pcs per reel f f f f 4. Recommended storage period no more than 1 year. Floor life (out of bag) no more than 4 weeks. f Note: typ e0$; f cuidevices.com f f Additional Resources: Product Page | 3D Model CUI Devices MODEL: CMM-3312AT-44308-TR DESCRIPTION: MEMS MICROPHONE | PCB Footprint date 01/15/2020 page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 11/07/2018 1.01 brand update 01/15/2020 The revision history provided is for informational purposes only and is believed to be accurate. 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. cuidevices.com