FREQUENCY RESPONSE CURVE
Typical Free Field Response
Normalized to 1 kHz
Interface Circuit
VDD
.1µf
RF
VDD
OUTPUT
RS
GROUND
VREF
External Gain = -RF/RS
(Set By User)
Dotted Section
Represents
SiSonicTM
Microphone
Notes:
All Ground pins must be connected to ground.
Capacitors near the microphone should not contain Class 2 dielectrics.
Detailed information on acoustic, mechanical, and system integration can be found in the latest SiSonic™ Design Guide application note.
knowles.com
Datasheet SPH1642HT5H-1 Rev B
03