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MP45DT02TR-M

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June 2016
DocID029435 Rev 1
1/16
This is information on a product in full production.
www.st.com
MP45DT02-M
MEMS audio sensor omnidirectional digital microphone
Datasheet - production data
Features
• Single supply voltage
• Low power consumption
• 120 dBSPL acoustic overload point
• Omnidirectional sensitivity
• PDM single-bit output with option for stereo
configuration
• HLGA metal package (SMD-compliant)
• ECOPACK
®
, RoHS, and “Green” compliant
Applications
• Mobile terminals
• Laptop and notebook computers
• Portable media players
• VoIP
• Speech recognition
• A/V eLearning devices
• Gaming and virtual reality input devices
• Digital still and video cameras
• Antitheft systems
Description
The MP45DT02-M is a compact, low-power, top-
port, omnidirectional, digital MEMS microphone.
The MP45DT02-M is built with a sensing element
and an IC interface with stereo capability.
The sensing element, capable of detecting
acoustic waves, is manufactured using a
specialized silicon micromachining process to
produce 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 MP45DT02-M has an acoustic overload
point of 120 dBSPL with a best on the market
61 dB signal-to-noise ratio and -26 dB sensitivity.
The MP45DT02-M is available in an SMD-
compliant metal package and is guaranteed to
operate over an extended temperature range
from -30 °C to +85 °C.
The MP45DT02-M’s digital output and package
size (1.25 mm thick) make this device the best
solution for laptop and portable computing
applications.
Table 1: Device summary
Order code
Temp. range [°C]
Package
Packing
MP45DT02TR-M
-30 to +85
HLGA
4.72 x 3.76 6LD
Tape and reel
Contents
2/16
DocID029435 Rev 1
Contents
1 Pin description ................................................................................ 5
2 Acoustic and electrical specifications ........................................... 6
2.1 Acoustic and electrical characteristics ............................................... 6
2.2 Timing characteristics ....................................................................... 7
2.3 Frequency response ......................................................................... 8
3 Sensing element .............................................................................. 9
4 Absolute maximum ratings ........................................................... 10
5 Functionality .................................................................................. 11
5.1 L/R channel selection ...................................................................... 11
6 Application recommendations ..................................................... 12
7 Package information ..................................................................... 13
7.1 Soldering information ...................................................................... 13
7.2 HLGA (4.72 x 3.76 mm) 6L (metal) package information ................ 14
8 Revision history ............................................................................ 15
MP45DT02-M
List of tables
DocID029435 Rev 1
3/16
List of tables
Table 1: Device summary ........................................................................................................................... 1
Table 2: Pin description .............................................................................................................................. 5
Table 3: Acoustic and electrical characteristics .......................................................................................... 6
Table 4: Distortion specifications ................................................................................................................ 6
Table 5: Timing characteristics ................................................................................................................... 7
Table 6: Absolute maximum ratings ......................................................................................................... 10
Table 7: L/R channel selection ................................................................................................................. 11
Table 8: Recommended soldering profile limits ........................................................................................ 13
Table 9: Document revision history .......................................................................................................... 15
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

MP45DT02TR-M

Mfr. #:
Buy MP45DT02TR-M
Manufacturer:
STMicroelectronics
Description:
IC MEMS AUD SENSOR MIC METAL CAP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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