The SAME SKY CMM-3722AT-42117-TR is a high-performance MEMS microphone designed for applications requiring compact size and reliable audio capture. Manufactured in China, this sensor offers omnidirectional sound pickup with excellent electrical and mechanical characteristics, making it suitable for a wide range of electronic audio systems.
Part Number: CMM-3722AT-42117-TR Manufacturer: SAME SKY Country of Origin: CN Unit of Measure: EA ECCN: EAR99 Package Type: REEL Datasheet:Download Datasheet
Product Features
Analog output with omnidirectional sensitivity
Small package size: 3.76 x 2.24 mm with 1.10 mm height
Reflow solder compatible for easy manufacturing
RoHS compliant
Electrical Specifications
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
Frequency Range
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
at 1 kHz
300
Ω
Environmental & Mechanical Specifications
Operating Temperature: -40°C to 105°C
Storage Temperature (in packaging): -40°C to 85°C
Dimensions: 3.76 x 2.24 x 1.10 mm
Weight: 0.024 g
Terminals: Surface mount
RoHS compliant
Packaging & Handling
Reel size: Ø170 mm, containing 1,000 pcs per reel
Reflow soldering profile: Max 260°C with recommended ramp rates
Storage: Keep at <75% humidity, store at -40°C to 85°C
Recommended shelf life: Up to 1 year; floor life out of bag: 4 weeks
Additional Resources
For detailed mechanical drawings, application circuits, and more technical details, please refer to the Datasheet.
Note: Datasheet was not processed please search the internet for the part number for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
{"id":10026098360637,"title":"CMM-3722AT-42117-TR","handle":"cmm-3722at-42117-tr","description":"\u003ch3\u003eMEMS Microphone - CMM-3722AT-42117-TR\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSAME SKY\u003c\/strong\u003e CMM-3722AT-42117-TR is a high-performance MEMS microphone designed for applications requiring compact size and reliable audio capture. Manufactured in China, this sensor offers omnidirectional sound pickup with excellent electrical and mechanical characteristics, making it suitable for a wide range of electronic audio systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMM-3722AT-42117-TR\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cmm-3722at-42117-tr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalog output with omnidirectional sensitivity\u003c\/li\u003e\n\u003cli\u003eSmall package size: 3.76 x 2.24 mm with 1.10 mm height\u003c\/li\u003e\n\u003cli\u003eReflow solder compatible for easy manufacturing\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\/Description\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirectivity\u003c\/td\u003e\n\u003ctd\u003eOmnidirectional\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (S)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e-43\u003c\/td\u003e\n\u003ctd\u003e-42\u003c\/td\u003e\n\u003ctd\u003e-41\u003c\/td\u003e\n\u003ctd\u003edB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eDD\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption (I\u003csub\u003eDSS\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003eV\u003csub\u003eDD\u003c\/sub\u003e = 2.0 V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003ctd\u003eµA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e10,000\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio (S\/N)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz (A-weighted)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e57\u003c\/td\u003e\n\u003ctd\u003edBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Harmonic Distortion (THD)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcoustic Overload Point (AOP)\u003c\/td\u003e\n\u003ctd\u003eat 10% THD, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003edB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003eat 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -40°C to 105°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature (in packaging): -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eDimensions: 3.76 x 2.24 x 1.10 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 0.024 g\u003c\/li\u003e\n\u003cli\u003eTerminals: Surface mount\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReel size: Ø170 mm, containing 1,000 pcs per reel\u003c\/li\u003e\n\u003cli\u003eReflow soldering profile: Max 260°C with recommended ramp rates\u003c\/li\u003e\n\u003cli\u003eStorage: Keep at \u0026lt;75% humidity, store at -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eRecommended shelf life: Up to 1 year; floor life out of bag: 4 weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed mechanical drawings, application circuits, and more technical details, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cmm-3722at-42117-tr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T01:14:47+05:30","created_at":"2025-08-15T01:14:48+05:30","vendor":"Waldom Electonics","type":"Sensors\/Transducers","tags":["24mm","2Vdc","IMPORT_CSV","MEMS","SAME","Sensors","Transducers","WLDM"],"price":9008,"price_min":9008,"price_max":9008,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50621269475645,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMM-3722AT-42117-TR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMM-3722AT-42117-TR","public_title":null,"options":["Default Title"],"price":9008,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMM-3722AT-42117-TR","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CMM-3722AT-42117-TR_52143218_ce2bf370.jpg?v=1755200688"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMM-3722AT-42117-TR_52143218_ce2bf370.jpg?v=1755200688","options":["Title"],"media":[{"alt":null,"id":45844014563645,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMM-3722AT-42117-TR_52143218_ce2bf370.jpg?v=1755200688"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMM-3722AT-42117-TR_52143218_ce2bf370.jpg?v=1755200688","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMEMS Microphone - CMM-3722AT-42117-TR\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSAME SKY\u003c\/strong\u003e CMM-3722AT-42117-TR is a high-performance MEMS microphone designed for applications requiring compact size and reliable audio capture. Manufactured in China, this sensor offers omnidirectional sound pickup with excellent electrical and mechanical characteristics, making it suitable for a wide range of electronic audio systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMM-3722AT-42117-TR\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cmm-3722at-42117-tr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalog output with omnidirectional sensitivity\u003c\/li\u003e\n\u003cli\u003eSmall package size: 3.76 x 2.24 mm with 1.10 mm height\u003c\/li\u003e\n\u003cli\u003eReflow solder compatible for easy manufacturing\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\/Description\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirectivity\u003c\/td\u003e\n\u003ctd\u003eOmnidirectional\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (S)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e-43\u003c\/td\u003e\n\u003ctd\u003e-42\u003c\/td\u003e\n\u003ctd\u003e-41\u003c\/td\u003e\n\u003ctd\u003edB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eDD\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption (I\u003csub\u003eDSS\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003eV\u003csub\u003eDD\u003c\/sub\u003e = 2.0 V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003ctd\u003eµA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e10,000\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio (S\/N)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz (A-weighted)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e57\u003c\/td\u003e\n\u003ctd\u003edBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Harmonic Distortion (THD)\u003c\/td\u003e\n\u003ctd\u003eat 94 dB SPL, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcoustic Overload Point (AOP)\u003c\/td\u003e\n\u003ctd\u003eat 10% THD, 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003edB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003eat 1 kHz\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -40°C to 105°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature (in packaging): -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eDimensions: 3.76 x 2.24 x 1.10 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 0.024 g\u003c\/li\u003e\n\u003cli\u003eTerminals: Surface mount\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReel size: Ø170 mm, containing 1,000 pcs per reel\u003c\/li\u003e\n\u003cli\u003eReflow soldering profile: Max 260°C with recommended ramp rates\u003c\/li\u003e\n\u003cli\u003eStorage: Keep at \u0026lt;75% humidity, store at -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eRecommended shelf life: Up to 1 year; floor life out of bag: 4 weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed mechanical drawings, application circuits, and more technical details, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cmm-3722at-42117-tr.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
