SPW0430HR5HB-B
TM
Wideband Top Port SiSonic Microphone
The SPW0430HR5HB-B is a miniature, high- Features:
performance, low power, top port silicon Flat Frequency Response
microphone. Using Knowles proven high
Compliant to IP62
TM
performance SiSonic MEMS technology,
Small package
the SPW0430HR5HB-B consists of an
Low Current
acoustic sensor, a low noise input buffer,
MaxRF protection
and an output amplifier. These devices are
Ultra-Stable Performance
suitable for applications such as cellphones,
Standard SMD Reflow
smart phones, laptop computers, sensors,
Omnidirectional
digital still cameras, portable music
recorders, and other portable electronic
devices where excellent wideband audio
performance and RF immunity are required.
Revision: C 3/27/2013
Sheet 1 of 11 2013 Knowles Electronics
SPW0430HR5HB-B
1. ABSOLUTE MAXIMUM RATINGS
Parameter Absolute Maximum Rating Units
V to Ground -0.5, +5.0 V
DD
OUT to Ground -0.3, V + 0.3 V
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Input Current to Any Pin 5 mA
Temperature Range -40 to +100 C
Stresses exceeding these Absolute Maximum Ratings may cause permanent damage to the device. These are
stress ratings only. Functional operation at these or any other conditions beyond those indicated under Acoustic
& Electrical Specifications is not implied. Exposure beyond those indicated under Acoustic & Electrical
Specifications for extended periods may affect device reliability.
2. ACOUSTIC & ELECTRICAL SPECIFICATIONS
TEST CONDITIONS: 23 2C, 5520% R.H., V (min) < V < V (max), no load, unless otherwise indicated
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Parameter Symbol Conditions Min Typ Max Units
1
Supply Voltage V 1.5 - 3.6 V
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1,2
Supply Current I - 85 110 A
DD
1
Sensitivity S 94 dB SPL @ 1 kHz -45 -42 -39 dBV/Pa
Signal to Noise Ratio SNR 94 dB SPL @ 1 kHz, A-weighted - 59 - dB(A)
94 dB SPL @ 1 kHz,
Total Harmonic
THD - 0.1 0.2 %
Distortion S = Typ, R > 3 k
load
Acoustic Overload 10% THD @ 1 kHz,
AOP 128 130 - dB SPL
Point S = Typ, V = 3.6V, R > 3 k
DD load
Power Supply 200mVpp sinewave
PSRR - 58 - dB
Rejection Ratio @ 1 kHz, V = 1.8V
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Power Supply 100 mVpp square wave
PSR - -76 - dBV(A)
Rejection @ 217 Hz, V = 1.8V, A-weighted
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DC Output V = 1.5V - 0.72 - V
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Output Impedance Z @ 1 kHz - - 450
OUT
Directivity Omnidirectional
Polarity Increasing sound pressure Decreasing output voltage
1
100% tested.
2
Maximum specifications are measured at maximum V . Typical specifications are measured at V = 1.8V.
DD DD
Revision: C 3/27/2013
Sheet 2 of 11 2013 Knowles Electronics