GMA3729H11-F42-4P

規 格 承 認 書 PECIFICATION FOR APPROVAL 客 戶 CUSTOMER ： 項 目 ITEM ： 前进声硅微麦克风（MEMS MIC） 型 號 TYPE ： GMA3729H11-F42 描述 DESCRIPTION ： L3.76 x W2.95xH1.1 mm 1033 -42 dB S/N: ≥58 dBA 客戶料號 CUSTOMER NO. ： 規 格 書 號 SPECIFICATION NO.： 版 本 EDITION NO. 日 期 DATE ： V1.0 ： 2020-1-9 客戶承認 CUSTOMER CONFIRM AND SIGN 檢查 TESTED BY 審核 CHECKED BY 承認 APPROVED BY 東莞市赢海電子有限公司 DONGUAN INGHAI ELECTRONICS CO.,LTD 製作 ISSUED BY 審查 CHECKED BY 周明 刘承成 確認 APPROVED BY 地址：广东省东莞市长安镇上沙第五工业区新春路 1 号新春科技园 電話 / TEL：0769-83060958 傳真 / FAX： 0769-81608993 網址：HTTP://WWW.INGHAI.COM 1/8 A. Introduction The MEMS Microphones are integrated with specialized pre-amplification ASIC to provide high sensitivity, high SNR output from a capacitive audio sensor. It’s packaged fro surface mounting and high temperature re-flow assembly. B. B. Temperature Range 1. Operating Temperature Range: -40℃ to +100℃ 2. Storage Temperature Range: -40℃ to +125℃ C.Technical Specification (test conditions:+25+/-2℃， 45%~65%R.H) Items Min. Nom. Max. Unit 1 Directivity Omni Directional 2 Operating Voltage 1.5 -- 3.3 V 3 Sensitivity -45 -42 -39 dB 4 Current consumption -- -- 200 uA 5 Output impedance -- -- 100 Ω 6 Signal to noise ratio -- 58 -- dB 7 Maximum input sound level 8 Total Harmonic Distortion @ 104dB -- -- 1 % 9 Total Harmonic Distortion @ 114dB -- -- 10 % 10 Sensitivity variation over operating voltage range (1.5 to 3.3 V) -0.5 0 0.5 dB (F=1KHz) (F=1KHz) 120 dB SPL D. Frequency Response Curve : 2/8 E. Mechanical Layout and Dimensions Item Symbol Dim. Tol. Units Length A 3.76 ±0.10 mm Width B 2.95 ±0.10 mm Height H 1.10 ±0.10 mm Metal Cap Width C 2.76 ±0.10 mm Metal Cap Length D 3.57 ±0.10 mm Terminal pad pitch1 E 1.70 ±0.10 mm Terminal pad pitch2 F 2.46 ±0.10 mm Pad to Unit Edge1 G 0.65 ±0.10 mm Pad to Unit Edge2 I 0.65 ±0.10 mm Terminal pad Open P 0.80 ±0.10 mm Acoustic port hole AP 0.50 ±0.10 mm F. Pin Output Pin# Function 1 Output 2 (CAL)Ground 3 Ground 4 Input Voltage Notes: PIN1: The output terminal, where the analog signal equivalent to applied pressure is available. PIN2, PIN3: The terminal where the supply negative is connected to MEMS microphone. PIN4: Input Voltage. 3/8 G . Application Circuit: H.Test Setup(Sensitivity test in Anechoic Room) Anechonic Chamber(Free Field) standard microphone 2669 Speaker 50cm Power Amplifier microphone B＆K5960 B＆K5977 B＆K2012 HP6L Lever meter＆sine wave generator I. Pickup tool pick location & PCB Solder pad layout Recommended area for vacuum nozzle pickup location Recommended solder pad layout 4/8 N. Recommended reflow process condition Recommend Re-flow Profile, solder reflow