KNOWLES

SPH0644LM4H-1

Model
SPH0644LM4H-1
Picture
Digital Interface
PDM
Dimensions (mm)
3.50 x 2.65 x 0.98
Sound Port
Bottom
Sensitivity @1kHz (Note1)
-37.0±1
S/N Ratio (dBA) (Note1)
65.5
Comments
Multi-mode / High SNR
Output Type
Digital
Directivity
Omnidirectionnal
Data Format
½ cycle PDM
AOP
132.5 dB SPL
Supply Voltage
1.62 – 3.6V
Current Drawn
1130µA (Normal – F Clock = 3.072MHz), 255µA (Low Power),
80µA (Sleep)
Mounting
SMD
AC Port Diameter
Æ 0.325
Clock Frequency
-