CMM-4737DT-26386-TR

Additional Resources: Product Page | 3D Model | PCB Footprint date 08/05/2022 page 1 of 6 MODEL: CMM-4737DT-26386-TR | DESCRIPTION: MEMS MICROPHONE FEATURES • digital (PDM) • small package • reflow solder compatible • omnidirectional ELECTRICAL parameter conditions/description directivity omnidirectional sensitivity (S) at 94 dB SPL, 1 kHz supply voltage (VDD) min typ max units -29 -26 -23 dB FS 1.6 2.0 3.6 V current consumption (IDD) sensitivity reduction VDD = 3.6 ~ 1.6 V frequency (f) 0.86 mA -0.5 dB FS 100 10,000 58 Hz signal to noise ratio (S/N) at 94 dB SPL, 1 kHz (A-weighted) 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 power supply rejection (PSR) 100 mVp-p square wave at 217 Hz (A-weighted) 300 -70 Ω dB FS DIGITAL INTERFACE parameter conditions/description sleep current (ISLEEP) FCLOCK < 1 kHz fall-asleep time FCLOCK < 1 kHz wake-up time FCLOCK ≥ 1 MHz short circuit current (ISC) grounded data pin min typ max 25 50 µA 10 ms 1 output load (CLOAD) data format units 10 ms 10 mA 100 pF 3.2 MHz 1-Bit PDM clock frequency (FCLOCK) 1.0 clock duty cycle (FDC) 40 clock rise time (tCR) clock fall time (tCF) 2.4 60 % 10 ns 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. cuidevices.com Additional Resources: Product Page | 3D Model | PCB Footprint CUI DEVICES | MODEL: CMM-4737DT-26386-TR | DESCRIPTION: MEMS MICROPHONE date 08/05/2022 | page 2 of 6 TIMING CHARACTERISTICS 1/FCLOCK tCF tCR VOH CLOCK VOL tDV tDH DATA (SELECT=VDD) Mic(High) Data Mic(High) Data tDV DATA (SELECT=Gnd) Mic(Low) Data Microphone Select (L/R) High Z tDH Mic(Low) Data High Z Asserts Data On Latch Data On Mic (High) VDD rising clock edge falling clock edge Mic (Low) GND falling clock edge rising clock edge RECOMMENDED INTERFACE CIRCUIT Vdd Vdd Vdd X) X) X) Select (L/R) Select (L/R) Select (L/R) Mic (High) Mic (Low) Mic (Low) Vdd Vdd Gnd Data Clock Vdd Gnd Data Clock Vdd Codec Codec Single MIC Double MIC cuidevices.com Additional Resources: Product Page | 3D Model | PCB Footprint CUI DEVICES | MODEL: CMM-4737DT-26386-TR | DESCRIPTION: MEMS MICROPHONE date 08/05/2022 | page 3 of 6 ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature in packaging RoHS yes max units -40 typ 105 °C -40 85 °C max units MECHANICAL parameter conditions/description dimensions 4.72 x 3.76 x 1.25 acoustic port top terminals surface mount min typ mm weight 0.025 g MECHANICAL DRAWING units: mm tolerance: ±0.1 mm 4 CLOCK 5 DATA 6 VDD ļ ĸ Ļ Ĺ ĺ ļ  ķ Ļ ĸ ĺ Ĺ           ĸ Ļ Ĺ ĺ 䃅㻜㻚㻥㻝  Recommended Vacuum Nozzle Pickup Top View cuidevices.com  ļ ķ  Recommended PCB Layout Top View  L/R GND  2 3 ķ  GND 5  1 䃅㻜㻚㻤㻠  FUNCTION  TERM.     TERMINAL CONNECTIONS 䃅㻜㻚㻥㻝 Additional Resources: Product Page | 3D Model CUI DEVICES | MODEL: CMM-4737DT-26386-TR | DESCRIPTION: MEMS MICROPHONE FREQUENCY RESPONSE CURVE cuidevices.com | PCB Footprint date 08/05/2022 | page 4 of 6 Additional Resources: Product Page | 3D Model | PCB Footprint CUI DEVICES | MODEL: CMM-4737DT-26386-TR | DESCRIPTION: MEMS MICROPHONE date 08/05/2022 | page 5 of 6 SOLDERABILITY parameter conditions/description reflow soldering see reflow profile Note: min typ max units 260 °C max units 85 °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 Temperature (°C) 3°C/s max ramp up 6°C/s max ramp down 217 60~150 s 200 150 60~180 s 25 480 s max Time (sec) PACKAGING parameter conditions/description min reel storage at relative humidity