T5838中文资料TDK株式会社数据手册PDF规格书

GENERAL DESCRIPTION

The T5838 is a multi-mode, low noise digital MEMS

microphone in a small package. The T5838 consists

of a MEMS microphone element and an impedance

converter amplifier followed by a fifth order Σ-Δ

modulator. The digital interface allows the pulse

density modulated (PDM) output of two

microphones to be time multiplexed on a single data

line using a single clock.

The T5838 has multiple modes of operation: High

Quality, Low-Power (AlwaysOn), Ultrasonic, and

Sleep along with new AlwaysOn modes: Acoustic

Activity Detect (AAD) Analog and Digital. The T5838

has high SNR in all operational modes. It has 133 dB

SPL AOP in High Quality Mode and 119 dB SPL AOP in

Low-Power mode.

The T5838 is available in a standard 3.5 × 2.65 ×

0.98 mm surface-mount package. It is reflow solder

compatible.

APPLICATIONS

• Smartphones

• IP Cameras

• Voice Activated TV Remote Controls

• Microphone Arrays

• Home Security Glass Break Detect

• Voice Activated Wearables

• Voice Activated Home Automation

• 3.5 × 2.65 × 0.98 mm surface-mount

package

• Extended frequency response from 27 Hz to

>20 kHz

• Sleep Mode: 9 µA SCK< 200 kHz, 0.8 uA SCK

= Off

• Acoustic Activity Detect Modes including

AAD Analog: 20 uA

• Fifth order Σ-Δ modulator

• Digital pulse density modulation (PDM)

output

• Compatible with Sn/Pb and Pb-free solder

processes

• RoHS/WEEE compliant