TLE4963-2M datasheet(66/91 Pages) INFINEON

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MEMS microphones for consumer

Low self-noise (SNR), wide dynamic range, low distortions, high acoustic overload point

www.infineon.com/mems

The popularity of voice user interfaces and the usage of audio recording to share information and experiences are

increasing dramatically. However, the performance of microphones often limits the potential of today’s cutting-edge

devices. Not anymore!

Infineon XENSIV™ MEMS microphones introduce a new performance class for MEMS microphones that overcomes existing

audio chain limitations. IM69D130 is designed for applications where low self-noise (high SNR), wide dynamic range, low

distortions, and a high acoustic overload point are required. Infineon’s latest analog XENSIV™ MEMS microphone IM73A135

pushes the level of audio performance even further (Highlights).

Our new IM73A135 sets a new performance benchmark in MEMS microphones

Infineon’s latest MEMS microphone IM73A135 sets a new performance benchmark

in MEMS microphones. Best-in-class signal to noise ratio (SNR) of 73 dB and a high

acoustic overload point of 135 dB SPL enables crystal clear audio pick up. This

high dynamic range microphone with a small footprint of 4 x 3 x 1.2 mm3 is based

on Infineon’s new Sealed Dual Membrane MEMS technology, which allows for

better handling during assembly. The IM73A135 allows designers to reach a level of

high audio performance that was previously only achievable by ECMs while at the

same time reaping the benefits inherent in MEMS technology.

Features

› 69 dB(A) signal-to-noise ratio (SNR)

› Below 1 percent distortions at 128 dBSPL (130 dBSPL AOP)

› Digital (PDM) interface with 6 µs group delay at 1 kHz

› Tight sensitivity (-36 ±1 dB) and phase (± 2 deg) tolerances

› 28 Hz low frequency roll-off

› 4.0 x 3.0 x 1.2 mm³ package

Benefits

› High fidelity and far-field audio recording

› Matched, noise and distortion-free audio signals for ad-

vanced audio processing

› Ultralow group delay for latency-critical applications

› No analog components required

Typical applications

› High-quality audio capturing: e.g. cameras, camcorders, conference systems

› Voice user interface: e.g. smart speaker, home automation, and IoT devices

› Active noise cancellation: headphones and earphones

› Audio pattern detection: predictive maintenance, security or safety applications

Product portfolio

Product

OPN

Package

Current consumption

Sensitivity

Signal to noise

[dB]

Supply voltage

[V]

IM69D130

IM69D130V01XTSA1

LLGA-5-1

980 µA

-36 dBFS

1.62–3.6

IM69D120

IM69D120V01XTSA1

LLGA-5-1

980 µA

-26 dBFS

1.62–3.6

NEW IM73A135

IM73A135V01XTSA1

PG-LLGA-5-2

170 µA @ 2.75 V, 70 µA @ 1.6 V

-38 dBV

1.52–3.0

MEMS microphones

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