CMM-4737DT-26386-TR CUI | Alldatasheet

Document overview

  • Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 6

Technical content

cui.com MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE

FEATURES

  • digital (PDM)
  • small package
  • reflow solder compatible
  • omnidirectional ELECTRICAL parameter conditions/description min typ max units directivity omnidirectional sensitivity (S) at 94 dB SPL, 1 kHz -29 -26 -23 dB FS supply voltage (VDD) 1.6 2.0 3.6 V current consumption (IDD) 0.86 mA sensitivity reduction VDD = 3.6 ~ 1.6 V -0.5 dB FS frequency (f) 100 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 120 dB SPL output impedance (Zout) at 1 kHz 300 Ω power supply rejection (PSR) 100 mVp-p square wave at 217 Hz (A-weighted) -70 dB FS DIGITAL INTERFACE parameter conditions/description min typ max units sleep current (ISLEEP) FCLOCK < 1 kHz 25 50 µA fall-asleep time FCLOCK < 1 kHz 10 ms wake-up time FCLOCK ≥ 1 MHz 10 ms short circuit current (ISC) grounded data pin 1 10 mA output load (CLOAD) 100 pF data format 1-Bit PDM clock frequency (FCLOCK) 1.0 2.4 3.2 MHz clock duty cycle (FDC) 40 60 % clock rise time (tCR) 10 ns clock fall time (tCF) 10 ns logic input/output low (VIOL) IOUT = 1 mA -0.30 0.35xVDD V logig input/output high (VIOH) IOUT = 1 mA 0.65xVDD VDD+0.3 V delay time for valid data (tDV) 18 60 ns delay time for high z (tDH) 0 16 ns Notes: 1. All specifications measured at 23±2°C, humidity at 55±20%, VDD = 2.0 V, FCLOCK = 2.4 MHz, unless otherwise noted. For more information, please visit the product page.

cui.com CUI Inc │ MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE date 11/12/2018 │ page 2 of 6 TIMING CHARACTERISTICS High ZH igh Z Mic(High) Date Mic(Low) Date Mic(Low) Date Mic(High) Date tCR tDHtDV tCF tDH tDV CLOCK DATE (SELECT=Gnd) DATE (SELECT=VDD) 1/FCLOCK VOH VOL Double MICSingle MIC X) X) ClockDataGnd Vdd VddVdd Vdd Codec Mic (High) Mic (Low) Select Select ClockDataGnd Vdd Vdd Vdd Codec Mic Select (L/R)( L/R)(L/R) (Low) RECOMMENDED INTERFACE CIRCUIT Microphone Select (L/R) Asserts Data On Latch Data On Mic (High) VDD rising clock edge falling clock edge Mic (Low) GND falling clock edge rising clock edge For more information, please visit the product page.

cui.com CUI Inc │ MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE date 11/12/2018 │ page 3 of 6 䃅㻜㻚㻤㻠 䃅㻜㻚㻥㻝 ĸ Ĺ ķ ļ Ļ ĺ ļ Ļ ĺ Ĺ ĸ ķ units: mm tolerance: ±0.1 mm Recommended PCB Layout Top View Recommended Vacuum Nozzle Pickup Top View 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 4.72 x 3.76 x 1.25 mm acoustic port top terminals surface mount weight 0.025 g MECHANICAL DRAWING 䃅㻜㻚㻥㻝 ļ Ļ ĺĹ ĸ ķ TERMINAL CONNECTIONS TERM. FUNCTION

1 GND

2 L/R

3 GND

4 CLOCK

5 DATA

6 VDD

For more information, please visit the product page.

cui.com CUI Inc │ MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE date 11/12/2018 │ page 4 of 6 FREQUENCY RESPONSE CURVE For more information, please visit the product page.

cui.com CUI Inc │ MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE date 11/12/2018 │ page 5 of 6 f f f f f f e0$; e0$; f f f f ;;;; ;;;; ;;;; ;;;; 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) 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 PACKAGING parameter conditions/description min typ max units reel storage4 at 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. For more information, please visit the product page.

CUI Inc │ MODEL: CMM-4737DT-26386-TR │ DESCRIPTION: MEMS MICROPHONE date 11/12/2018 │ page 6 of 6 CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI 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. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com techsupport@cui.com rev. description date 1.0 initial release 11/12/2018 The revision history provided is for informational purposes only and is believed to be accurate.

REVISION HISTORY

For more information, please visit the product page.