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PDF SP0103NC3 Data sheet ( Hoja de datos )
| Número de pieza | SP0103NC3 | |
| Descripción | SP0103 Series with Integrated Amplifier | |
| Fabricantes | Knowles | |
| Logotipo |  |
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Document: SP0103N
Last Revision Date: 09-2003
Product Specification: SP0103 Series with Integrated Amplifier
This document applies the following SiSonic Model Numbers:
SP0103NC3-2
SP0103NC3-3
SiSonic microphone with integrated amplifier offers designers
numerous features: up to 20dB gain, surface-mountable, compatible
with standard solder reflow, pick-and-place with standard high speed
automated equipment, low output impedance, and excellent
environmental characteristics. External amplifiers amplify both
signal and external noise induced in the circuit, compared to SiSonic
SP0103 that amplifies the signal prior to external noise.
Microphone Dimensional Layout
Item
Height
Length
Width
Weight
Coplanarity
Dim.
1.45
6.15
3.76
< 0.5
< 0.1
Tol.
(+/-)
0.15
0.05
0.05
Units
mm
mm
mm
grams
mm
Microphone Pin Output
Recommended PCB
Land Layout
Knowles Acoustics
www.knowlesacoustics.com
1
1 page  
Document: SP0103N
Last Revision Date: 09-2003
Recommended Interface Circuit for SP0103N Integrated Amplifier
V+
Term 4 = Vdd
Term 3 = Ground
R1 = 22kΩ
R2 = 2.4kΩ
Term 2 = Gain Control
R3 (set by customer)
C1 (set by customer)
Vout
Term 1 = Output
Desired Gain
Unity Gain (0dB)
20dB Gain
Pin 2 Termination Method
Tie Terminal 2 directly to Output (Terminal 1).
Tie Terminal 2 through C1 (0.47uF) to Ground.
Adjustable Gain
Add R3 and C1. Use formulas provided to calculate
settings, or contact Knowles for support.
Setting Gain Formulas:
Gain of non-inverting Op-Amp is determined as:
G=1+ {R1 / (R2 + R3)} Gain(dB) = 20 * log(G)
High-pass-filter Corner Frequency:
C.F. = 1 / {2*pi*(R2 + R3) * C1}
Knowles Acoustics
www.knowlesacoustics.com
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SP0103NC3.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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