| 型号： NSM0402AT-UL | 规格尺寸：3.76X2.95X1.1（mm） | 品牌：硅咪 |
| 灵敏度：-42 | 种类：送、受话器 | 加工定制：否 |
苹果三星手机用硅咪,送话器.灵敏度高,抗干挠性能好.灵敏度-42db.
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.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 (F=1KHz) | -45 | -42 | -39 | dB | |
4 | Current consumption | -- | -- | 200 | uA | |
5 | Output impedance | -- | -- | 100 | Ω | |
6 | Signal to noise ratio (F=1KHz) | -- | 58 | -- | dB | |
7 | Maximum input sound level | 120 | dB SPL | |||
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 | |
D.Frequency Response Curve:
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 |
其它型号:
料号/PN进声模式信号模式信噪比Typ.灵敏度Typ.长度宽度厚度规格书NSM0416ATX 前进声 模拟 58dB -42dB 3.76mm 2.95mm 1.10mm 
NSM0416ATX.pdfNSM0402AB 后进声 模拟 62dB -38dB 3.76mm 3.00mm 1.10mm NSM0402AB.pdfNSM2402AT 前进声 模拟 56dB -42dB 3.76mm 2.24mm 1.10mm NSM2402AT.pdfNSM0405DT 前进声 数字 56dB -26dB 4.72mm 3.76mm 1.25mm NSM0405DT.pdfNSM0410DT 前进声 数字 61dB -22dB 4.72mm 3.76mm 1.25mm NSM0410DT.pdfNSM0411DB 后进声 数字 61dB -22dB 4.00mm 3.00mm 1.00mm NSM0411DB.pdfNSM0402ATX 前进声 模拟 58dB -42dB 3.76mm 2.95mm 1.10mm NSM0402ATX.pdfNSM0402AT-HH 前进声 模拟 61dB -42dB 3.76mm 2.95mm 1.10mm NSM0402AT-HH.pdfNSM0402AT 前进声 模拟 58dB -42dB 3.76mm 2.95mm 1.10mm NSM0402AT.pdfNSM0402AT-LL 前进声 模拟 58dB -42dB 3.76mm 2.95mm 1.10mm NSM0402AT-LL.pdfNSM0402AT-UL 前进声 模拟 58dB -42dB 3.76mm 2.95mm 1.10mm NSM0402AT-UL.pdf
