SP0408LE5H-SB Knowles Acoustics, SP0408LE5H-SB Datasheet - Page 7

• Manufacturer Part Number: SP0408LE5H-SB
• Description: MIC SISONIC 3.6V 0-HGHT AMP SMD
• Manufacturer: Knowles Acoustics
• Series: SiSonic™r
• Type: MEMS (Silicon) - Analogr

Specifications of SP0408LE5H-SB

• Sensitivity: -22dB ±3dB
• Voltage - Rated: 1.5 ~ 3.6V
• Current: 350µA
• Size / Dimension: Rectangular - 6.15mm L x 3.76mm W x 1.25mm H
• S/n Ratio: 59dB
• Impedance: 300 Ohm
• Frequency: 100Hz ~ 8kHz
• Termination: Surface Mount
• Direction: Omnidirectional
• Port Location: Top
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Filter Type: -
• Other names: 423-1081-2; SP0208LE5-2; SP0208LE5H; SP0208LE5H-2; SP0408LE5H-SB-2

9. RECOMMENDED INTERFACE CIRCUIT
Se t t ing Ga in For m ula s:
Gain of non- inver t ing Op- Am p is det erm ined as:
High- pass- filt er Corner Frequency:
D e sir e d Ga in
Unit y Gain ( 0dB)
20dB Gain
Adj ust able Gain
Term 3 = Ground
Term 4 = V
G= 1+ { R1 / ( R2 + R3) }
C.F. = 1 / { 2* * ( R2 + R3) * C1}
Knowles Acoust ics, a division of Knowles
dd
Pin 2 Te r m ina t ion M e t hod
Tie Term inal 2 direct ly t o Out put ( Term inal 1) .
Tie Term inal 2 t hrough C1 ( 0.47uF) t o Gr ound.
Add R3 and C1. Use for m ulas pr ovided t o calculat e
set t ings, or cont act Knowles for support .
V+
Elect r onics, LLC.
Term 2 = Gain Control
R2 = 2.4k
R3 (set by customer)
C1 (set by customer)
Gain( dB) = 20 * log( G)
R1 = 22k
SP0208LE5
Revision: B
Term 1 = Output
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Vout