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IMP34DT05 Datasheet

MEMS audio sensor omnidirectional digital microphone

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IMP34DT05
Datasheet
MEMS audio sensor omnidirectional digital microphone for industrial applications
Product status link
IMP34DT05
Product summary
Order code
IMP34DT05TR
Temperature
range [°C]
-40 to +85
Package
HCLGA 4LD
(3 x 4 x 1 mm)
Packing
Tape and reel
Product label
Features
• Single supply voltage
• Low power consumption
• AOP = 122.5 dBSPL
• 64 dB signal-to-noise ratio
• Omnidirectional sensitivity
• –26 dBFS ±3 dB sensitivity
• PDM output
• HCLGA package
– Top-port design
– SMD-compliant
– EMI-shielded
– ECOPACK, RoHS, and “Green” compliant
Applications
• Anti-tampering devices
• Vibration monitoring
• Audio-activated functions
• Predictive maintenance
• Noise cancelling
• Sound detection for alarm systems
• Human / machine voice interface
• Anti-theft systems
Description
The IMP34DT05 is an ultra-compact, low-power, omnidirectional, digital MEMS
microphone built with a capacitive sensing element and an IC interface.
The sensing element, capable of detecting acoustic waves, is manufactured using a
specialized silicon micromachining process dedicated to producing audio sensors.
The IC interface is manufactured using a CMOS process that allows designing a
dedicated circuit able to provide a digital signal externally in PDM format.
The IMP34DT05 is a low-distortion digital microphone with a 64 dB signal-to-noise
ratio and –26 dBFS ±3 dB sensitivity.
The IMP34DT05 is available in a top-port, SMD-compliant, EMI-shielded package
and is guaranteed to operate over an extended temperature range from -40 °C to
+85 °C.
DS12725 - Rev 3 - April 2019
For further information contact your local STMicroelectronics sales office.
www.st.com


STMicroelectronics Electronic Components Datasheet

IMP34DT05 Datasheet

MEMS audio sensor omnidirectional digital microphone

No Preview Available !

1 Pin description
Figure 1. Pin connections
IMP34DT05
Pin description
Pin #
1
2
3
4
5 (ground ring)
LR CLK
Vdd DOUT
GND
BOTTOM VIEW
Table 1. Pin description
Pin name
Vdd
LR
CLK
DOUT
GND
Function
Power supply
Left/Right channel selection
Synchronization input clock
Left/Right PDM data output
Ground
DS12725 - Rev 3
page 2/20


Part Number IMP34DT05
Description MEMS audio sensor omnidirectional digital microphone
Maker STMicroelectronics
Total Page 20 Pages
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