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參數資料
| 型號： | ADMP521ACEZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 4/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MEMS MICROPHONE ULTRA LN 5LGA |
| 標準包裝： | 1,000 |
| 系列： | ADMP521 |
| 類型： | MEMS（硅） |
| 輸出類型： | 數字 |
| 方向： | 全向 |
| 頻率范圍： | 100Hz ~ 16kHz |
| 靈敏度： | -26dB ±3dB |
| 信噪比： | 65dB |
| 電壓 - 額定： | 1.8 ~ 3.3V |
| 電流 - 電源： | 1.2mA |
| 端口位置： | 底部 |
| 密封等級： | 無 |
| 端子： | 焊盤 |
| 尺寸/尺寸： | 0.157" L x 0.118" W（4.00mm x 3.00mm） |
| 高度（最大）： | 0.043"（1.10mm） |
| 形狀： | 矩形 |
| 包裝： | 帶卷 (TR) |
Data Sheet
ADMP521
Rev. A | Page 11 of 16
PCB DESIGN AND LAYOUT
The recommended PCB land pattern for the ADMP521 should
be laid out to a 1:1 ratio to the solder pads on the microphone
package, as shown in Figure 15. Take care to avoid applying solder
paste to the sound hole in the PCB. A suggested solder paste
stencil pattern layout is shown in Figure 16.
The response of the ADMP521 is not affected by the PCB hole
size as long as the hole is not smaller than the sound port of the
microphone (0.25 mm, or 0.010”, in diameter). A 0.5 mm to 1 mm
(0.020 inch to 0.040 inch) diameter for the hole is recommended.
Take care to align the hole in the microphone package with the
hole in the PCB. The exact degree of the alignment does not affect
the microphone performance as long as the holes are not partially
or completely blocked.
4× 0.40 × 0.60
(0.30)
0.90
(0.30)
1.70
3.80
(0.30)
0.35
2.80
2× R0.10
(0.30)
0.35
2.05
0.70
1.10
101
41-
0
09
(1.000)
(0.550)
CENTER LINE
Figure 15. Suggested PCB Land Pattern Layout
101
41
-010
1.45
0.9
2.45
0.7
1.525
1.000
0.35
1.849
1.498
0.205 WIDE
0.248 × 0.498 (2×)
0.248 × 1.148 (2×)
0.248 × 0.948 (2×)
1.498 × 0.248
0.398 × 0.298 (4×)
0.362 CUT (3×)
1.17
24°
0.375
CENTER
LINE
Figure 16. Suggested Solder Paste Stencil Pattern Layout
OBSOLETE
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相關代理商/技術參數 |
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| ADMP621 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Wide Dynamic Range Microphone with PDM Digital Output |
| ADMP621ACEZ-RL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Wide Dynamic Range Microphone with PDM Digital Output |
| ADMP621ACEZ-RL7 | 制造商:Analog Devices 功能描述:MICROPHONE, 2 CH , LGA_CAV-5 |
| ADMP803JCEZ-RL | 制造商:Analog Devices 功能描述:IC MEMS OMNI MICHROPHONE SMD 制造商:Analog Devices 功能描述:Hearing aid low noise |
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