GTA2718B-3
The GTA2718B-3 is a small package, single-ended output bottom port analog MEMS microphone, consists of a MEMS sensor and a low noise level ASIC.
優(yōu)勢與特點(diǎn)
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2.75x1.85x1.0mm Bottom Port
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Single Ended Output
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High SNR
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Narrow Sensitivity +/-1dB
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RF Shielded
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Compatible with Standard SMD Reflow Technology
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RoHSCompliance&Halogen Free
性能參數(shù)
| Parameter | Symbol | Condition | Min. | Nom. | Max. | Unit |
| Sensitivity | S | f=1kHz, Pin=1Pa, 0dB=1V/Pa | -39 | -38 | -37 | dB |
| Operating Voltage | VDD | 2.3 | 2.75. | 3.6 | V | |
| Directivity | Omni-directional | Omni-directional | Omni-directional | |||
| Polarity | Sound pressure increase | Output voltage increase | Output voltage increase | Output voltage increase | ||
| Sensitivity vs. Voltage | ΔS | Vs= 3.6V to 1.6V | Vs= 3.6V to 1.6V | ＜0.5 | ＜0.5 | dB |
| Output Impedance | ZOUT | f=1kHz | / | / | 400 | Ω |
| Current Consumption | I | 1.6 V to 3.6V | / | 135 | 200 | μA |
應(yīng)用實例
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頭戴耳機(jī) -
藍(lán)牙耳機(jī) -
頭戴耳機(jī) -
藍(lán)牙耳機(jī) -
頭戴耳機(jī)
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