SPM0204HE5 Knowles Acoustics, SPM0204HE5 Datasheet - Page 6

• Manufacturer Part Number: SPM0204HE5
• Description: Touch Sensor
• Manufacturer: Knowles Acoustics

Specifications of SPM0204HE5

• Transducer Function: Microphone
• Device Type: Mini Microphone
• Directivity: Omni
• Connector Type: SMD
• Sensitivity: -42
• Output Impedance: 300ohm
• Length: 4.72mm
• Termination Type: SMD
• No. Of Pins: 4
• Operating Temperature Range: -40°C To +100°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dotted Section
Represents
SiSonic
Microphone
9. RECOMMENDED INTERFACE CIRCUIT
Term. 3
Term. 2
Knowles Acoust ics, a division of Knowles
+
•
•
Term. 4
•
Term. 1
Elect r onics, LLC.
R2
Vref
SPM0204HE5
-
+
R1
External Gain (set by
customer) = -R1/R2
Revision: A
6 of 10