| PartNumber | SPH1642HT5H-1 | SPH1611LR5H-1 | SPH1668LM4H-1 |
| Description | MEMS Microphones Wideband, Low Noise MEMs Mic | MEMS Microphones Precision High SNR Mic | MIC MEMS DIGITAL PDM OMNI -29DB |
| Manufacturer | Knowles | Knowles | - |
| Product Category | MEMS Microphones | MEMS Microphones | - |
| RoHS | Y | Y | - |
| Series | SPH | SPH | - |
| Sensitivity | - 38 dB | - | - |
| SNR Signal to Noise Ratio | 65 dBA | - | - |
| Impedance | 500 Ohms | - | - |
| Operating Supply Current | 117 uA | - | - |
| Operating Supply Voltage | 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 100 C | - | - |
| Output Type | Voltage | - | - |
| Port Type | Top | - | - |
| Length | 3.5 mm | - | - |
| Width | 2.65 mm | - | - |
| Depth | 1 mm | - | - |
| Packaging | Reel | Reel | - |
| Directional Properties | Omnidirectional | - | - |
| Sound Pressure Level | 124 dB | - | - |
| Technology | MEMS | - | - |
| Termination Style | SMD/SMT | - | - |
| Type | Precision Top Port Microphone | - | - |
| Brand | Knowles | Knowles | - |
| Mounting Style | SMD/SMT | - | - |
| Shape | Round | - | - |
| Product Type | MEMS Microphones | MEMS Microphones | - |
| Factory Pack Quantity | 5900 | 5900 | - |
| Subcategory | Microphones | Microphones | - |
| Tradename | SiSonic | SiSonic | - |
| Part # Aliases | - | SPH1611LR5H-1-8 | - |