SPH0641LM4H-1 MICROPHONE Datasheet

SPH0641LM4H-1 Datasheet PDF, Equivalent


Part Number

SPH0641LM4H-1

Description

MULTIMODE DIGITAL BOTTOM PORT SISONIC MICROPHONE

Manufacture

Knowles

Total Page 12 Pages
Datasheet
Download SPH0641LM4H-1 Datasheet


SPH0641LM4H-1
SPH0641LM4H-1
MORELLO
MULTIMODE DIGITAL BOTTOM PORT
SISONIC™ MICROPHONE
The SPH0641LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonic™ MEMS technology,
the SPH0641LM4H-1 consists of an acoustic sensor, a low noise input
buffer, and a sigma-delta modulator. These devices are suitable for
applications such as cellphones, smart phones, laptop computers,
sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio
performance and RF immunity are required. In addition, the
SPH0641LM4H-1 offers multiple performance modes.
Charge Pump
Regulator
MEMS
Transducer
Buffer
Control
Σ∆ ADC
Vdd
SELECT
CLK
DATA
GND
ABSOLUTE MAXIMUM RATINGS
Parameter
Absolute Maximum Rating
Units
PRODUCT FEATURES
High SNR
Low Current Consumption in Low-
Power Mode
Flat Frequency Response
High Drive Capability
RF Shielded
Bottom Port
Sensitivity Matching
Supports Dual Multiplexed Channels
Multiple Performance Modes (Sleep,
Low-Power, Normal)
Ultra-Stable Performance
Standard SMD Reflow
Omnidirectional
Small Size
LGA Package
TYPICAL APPLICATIONS
Portable Electronics
Cellphones
Laptop Computers
Tablets
Digital Still Cameras
Portable Music Recorders
knowles.com | DATASHEET SPH0641LM4H-1 Rev D
© 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.

SPH0641LM4H-1
MULTIMODE DIGITAL BOTTOM PORT
SISONIC™ MICROPHONE
ACOUSTIC & ELECTRICAL SPECIFICATIONS1
Parameter
Symbol Conditions
Min Typ Max Units
knowles.com | DATASHEET SPH0641LM4H-1 Rev D
© 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
2 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.


Features SPH0641LM4H-1 MORELLO MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE The SPH0641LM4H-1 is a miniature, high-per formance, low power, bottom port silico n digital microphone with a single bit PDM output. Using Knowles’ proven hig h performance SiSonic™ MEMS technolog y, the SPH0641LM4H-1 consists of an aco ustic sensor, a low noise input buffer, and a sigma-delta modulator. These dev ices are suitable for applications such as cellphones, smart phones, laptop co mputers, sensors, digital still cameras , portable music recorders, and other p ortable electronic devices where excell ent wideband audio performance and RF i mmunity are required. In addition, the SPH0641LM4H-1 offers multiple performan ce modes. Charge Pump Regulator MEMS Transducer Buffer Control Σ∆ ADC Vdd SELECT CLK DATA GND ABSOLUTE MAXI MUM RATINGS Parameter Absolute Maximu m Rating Units PRODUCT FEATURES • H igh SNR • Low Current Consumption in Low- Power Mode • Flat Frequency Response • High Drive Capability • RF Shiel.
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