ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DIGITAL MICROPHONE -26DB 1.6VDC
- Series：DMM
- Mfr：PUI Audio, Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MEMS (Silicon)
- Output Type：Digital, PDM
- Direction：Omnidirectional
- Frequency Range：20 Hz ~ 20 kHz
- Sensitivity：-26dB ±1dB @ 94dB SPL
- S/N Ratio：65dB
- Impedance：-
- Voltage Range：1.62 V ~ 3.6 V
- Current - Supply：650 µA
- Port Location：Top
- Ratings：-
- Termination：Solder Pads
- Size / Dimension：0.138" L x 0.104" W (3.50mm x 2.65mm)
- Height (Max)：0.043" (1.10mm)
- Shape：Rectangular
- Grade：-
- Qualification：-
- Voltage - Rated：1.8 V
Download product information
Overview
The PUI Audio DMM-3526-2-B is a digital MEMS microphone featuring a PDM output interface. It operates at a supply voltage of 1.8 VDC with a current consumption of 650 uA. The device provides a sensitivity of -26 dBFS and an SNR of 65 dB. Its frequency range spans from 20 Hz to 20 kHz. The component measures 3.5 mm in length, 2.65 mm in width, and 1 mm in depth. It functions within a temperature range of -40°C to +85°C.
Feature Summary
- Digital PDM output interface for direct integration with audio processors
- High signal-to-noise ratio of 65 dB for clear audio capture
- Low power consumption of 650 uA at 1.8 VDC operation
- Wide operating temperature range suitable for diverse environments
Applications
- Voice recognition systems requiring low latency digital input
- Smart home devices needing omnidirectional sound pickup
- Wearable technology constrained by size and power limits
- IoT audio sensors utilizing digital processing chains
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout and packaging configuration. Ensure compatibility with the target system's I2S or PDM clock requirements. Confirm RoHS compliance status through the latest certified documentation before finalizing procurement orders.
Selection Notes
Choose this model when a compact digital microphone with high SNR is required. The 1.8 VDC supply aligns with modern low-voltage logic levels. The small footprint fits tight PCB layouts. Verify that the host processor supports PDM input signals directly without analog conversion stages.
Part Context
This component belongs to the PUI Audio DMM series of digital MEMS microphones. The series offers various sizes and performance tiers. The DMM-3526-2-B represents a mid-size option balancing acoustic performance with physical constraints. It complements other models in the lineup offering different dimensions or sensitivity profiles.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference guide for verified alternatives.
