KNOWLES

SPH0644HM4H-1

Model
SPH0644HM4H-1
Picture
Digital Interface
PDM
Dimensions (mm)
3.50 x 2.65 x 0.85
Sound Port
Top
Sensitivity @1kHz (Note1)
-36.0±1
S/N Ratio (dBA) (Note1)
58.0
Comments
Multi-mode
Output Type
Digital
Directivity
Omnidirectionnal
Data Format
½ cycle PDM
AOP
131 dB SPL
Supply Voltage
1.6 – 3.6V
Current Drawn
925µA (Normal), 255µA (Low Power),
80µA (Sleep)
Mounting
SMD
AC Port Diameter
Æ 0.50
Clock Frequency
-