MIC MEMS DIGITAL The SPH0641LM4H-1 is a bottom-port silicon digital microphone with a single-bit PDM output that is small, high-performance, and low-power.
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Jan 22, 2022
Max Job
[Eng Sub] MEMS Microphone - Smartphone, Wireless Earbuds, A.I. Speaker
The SPH0641LM4H-1 is a bottom-port silicon digital microphone with a single-bit PDM output that is small, high-performance, and low-power. This article mainly introduces circuit, pinout, datasheet and other detailed information about Knowles SPH0641LM4H-1.
SPH0641LM4H-1
The SPH0641LM4H-1 is a bottom-port silicon digital microphone with a single-bit PDM output that is small, high-performance, and low-power. The SPH0641LM4H-1 is made up of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator that uses Knowles' proven high-performance SiSonicTM MEMS technology. These devices are ideal for cellphones, smartphones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices that demand good wideband audio performance and RF immunity. The SPH0641LM4H-1 also has a variety of performance settings.
The following figure is SPH0641LM4H-1 Pinout.
Pinout
The followings are SPH0641LM4H-1 Symbol, Footprint and 3D Model.
Symbol
Footprint
3D Model
• High SNR
• Low Current Consumption in LowPower Mode
• Flat Frequency Response
• High Drive Capability
• RF Shielded
• Bottom Port
• Sensitivity Matching
• Supports Dual Multiplexed Channels
• Multiple Performance Modes (Sleep, Low-Power, Normal)
• Ultra-Stable Performance
• Standard SMD Reflow
• Omnidirectional
• Small Size
• LGA Package
Knowles SPH0641LM4H-1 technical specifications, attributes, parameters and parts with similar specifications to Knowles SPH0641LM4H-1.
Knowles SPH0641LM4H-1 technical specifications, attributes, parameters and parts with similar specifications to Knowles SPH0641LM4H-1.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 18 Weeks | |
| Surface Mount | NO | |
| Shape | Rectangular | |
| Operating Temperature (Max.) | 100°C | |
| Operating Temperature (Min.) | -40°C | |
| Packaging | Tape & Reel (TR) | |
| Series | SiSonic™ SPH | |
| Published | 2013 | |
| Size / Dimension | 0.138Lx0.104W 3.50mmx2.65mm | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 5Terminations |
| Product Attribute | Attribute Value | |
|---|---|---|
| Termination | Solder Pads | |
| Type | MEMS (Silicon) | |
| Terminal Position | UNSPECIFIED | |
| Terminal Form | UNSPECIFIED | |
| Peak Reflow Temperature (Cel) | 260 | |
| Number of Functions | 1Function | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| JESD-30 Code | R-XXMA-X5 | |
| Output Type | Digital, PDM | |
| Supply Voltage-Max (Vsup) | 3.6V | |
| Temperature Grade | INDUSTRIAL | |
| Supply Voltage-Min (Vsup) | 1.62V |
| Product Attribute | Attribute Value | |
|---|---|---|
| Operating Supply Current | 700μA | |
| Direction | Omnidirectional | |
| Voltage Range | 1.62V~3.6V | |
| Frequency Range | 100Hz~10kHz | |
| Sensitivity | -26dB ±1dB @ 94dB SPL | |
| Port Location | Bottom | |
| S/N Ratio | 64.3dB | |
| Height | 1.08mm | |
| Length | 3.5mm | |
| Width | 2.65mm | |
| RoHS Status | RoHS Compliant |
The following shows the SPH0641LM4H-1 Typical Application Circuit.
Typical Application Circuit
• Portable Electronics
• Cellphones
• Laptop Computers
• Tablets
• Digital Still Cameras
• Portable Music Recorders
The following figure is SPH0641LM4H-1 Package.
In mobile communications, consumer electronics, medical technology, and other industrial end markets, Knowles is a market leader and global supplier of sophisticated micro-acoustic, specialty components, and human interface solutions. Knowles' extensive experience and thorough testing ensure that its products, which include speakers and microphones for hearing aids, premium music earphones, communications headsets, and industrial acoustic applications, are continuously trustworthy and precise. Microphones and speakers made by Knowles MEMS (micro-electro-mechanical systems) are widely utilized in smartphones, tablets, notebooks, and other portable devices. All production facilities are ISO -9001 certified, with some also holding ISO-14001 or OHSAS-18001 certifications. Knowles' Quality Management System assures that its products are designed with integrity, manufactured efficiently, and delivered on schedule at a reasonable cost.
Download datasheets and manufacturer documentation for SPH0641LM4H-1
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