 |  |  | |
| PartNumber | SPH0644LM4H-1 | SPH0644HM4H-1 | SPH0644LM4H-1-8 |
| Description | MEMS Microphones | MEMS Microphones | |
| Manufacturer | Knowles | Knowles | - |
| Product Category | MEMS Microphones | MEMS Microphones | - |
| RoHS | Y | Y | - |
| Series | SPH | SPH | - |
| Sensitivity | - 36 dB | - 35 dB | - |
| SNR Signal to Noise Ratio | 65.5 dBA | 58 dBA | - |
| Frequency Range | 1400 kHz to 4800 kHz | 1400 kHz to 4800 kHz | - |
| Operating Supply Current | 1.4 mA | 1.03 mA | - |
| Operating Supply Voltage | 3.6 V | 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 100 C | + 100 C | - |
| Output Type | Digital | Digital | - |
| Port Type | Bottom | Top | - |
| Length | 3.5 mm | 3.5 mm | - |
| Width | 2.65 mm | 2.65 mm | - |
| Packaging | Reel | Reel | - |
| Directional Properties | Omnidirectional | Omnidirectional | - |
| Brand | Knowles | Knowles | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Shape | Rectangular | Rectangular | - |
| Product Type | MEMS Microphones | MEMS Microphones | - |
| Factory Pack Quantity | 5900 | 5900 | - |
| Subcategory | Microphones | Microphones | - |
| Tradename | SiSonic | SISONIC | - |
| Part # Aliases | - | SPH0644HM4H-1-8 | - |
| 制造商 | 型号 | 描述 | RFQ |
|---|---|---|---|
Knowles |
SPH0644LM4H-1 | MEMS Microphones | |
| SPH0644HM4H-1 | MEMS Microphones | ||
| SPH0644LM4H-1 | CORNELL MIC MULTIMODE DGT BOT PT | ||
| SPH0644LM4H-1-8 | 全新原装 |