SPM0406HE3H-SB

SPM0406HE3H-SB Datasheet

SPM0406HE3H-SB

Part	Datasheet
SPM0406HE3H-SB	SPM0406HE3H-SB (pdf)

PDF Datasheet Preview
SPM0406HE3H-SB Differential SiSonicTM Microphone With Enhanced RF Protection The SPM0406HE3H-SB is a miniature, highperformance, low power, top port silicon microphone. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPM0406HE3H-SB consists of an acoustic sensor, a low noise input buffer, and an output differential amplifier. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. Features • Differential Outputs • Up to 20dB of Gain • Enhanced RF protection • Operation to 5v • Ultra-Stable Performance • Standard SMD Reflow • Omnidirectional 2/28/2013 2012 Knowles Electronics SPM0406HE3H-SB ABSOLUTE MAXIMUM RATINGS Parameter VDD to Ground OUT to Ground Input Current to Any Pin Temperature Range Absolute Maximum Rating VDD + ±5 -40 to +100 Units V mA °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. ACOUSTIC & ELECTRICAL SPECIFICATIONS TEST CONDITIONS 23 ±2°C, 55±20% R.H., VDD min < VDD < VDD max , no load, Gain = 20dB, unless otherwise indicated Parameter Supply Voltage1 Supply Current1,2 Sensitivity1,3 Symbol VDD IDD S Conditions 94 dB SPL 1 kHz Min Typ Max Units - 500 µA -25 -22 -19 dBV/Pa Signal to Noise Ratio SNR 94 dB SPL 1 kHz, A-weighted - dB A Total Harmonic Distortion Acoustic Overload Point Output Impedance ZOUT 94 dB SPL 1 kHz, S = Typ, Rload > 2 10% THD 1 kHz, Gain = 0dB, S = Typ, VDD = 5.5V, Rload > 2 1154 1 kHz - dB SPL Directivity Omnidirectional Polarity Increasing sound pressure Decreasing output voltage 1 100% tested. 2 Maximum specifications are measured at maximum VDD. Typical specifications are measured at VDD = 1.8V. 3 Gain, Sensitivity, and ZOUT are measured in differential mode. In single-ended mode, these are 6dB less i.e., half . 4 For gain = 20dB, AOP min = 95 dB SPL.

PDF Datasheet Preview

SPM0406HE3H-SB

Differential SiSonicTM Microphone With Enhanced RF Protection

The SPM0406HE3H-SB is a miniature, highperformance, low power, top port silicon microphone. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPM0406HE3H-SB consists of an acoustic sensor, a low noise input buffer, and an output differential amplifier. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.

Features
• Differential Outputs
• Up to 20dB of Gain
• Enhanced RF protection
• Operation to 5v
• Ultra-Stable Performance
• Standard SMD Reflow
• Omnidirectional
2/28/2013 2012 Knowles Electronics

SPM0406HE3H-SB

ABSOLUTE MAXIMUM RATINGS

Parameter VDD to Ground OUT to Ground

Input Current to Any Pin Temperature Range

Absolute Maximum Rating

VDD + ±5
-40 to +100

Units V mA °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.

ACOUSTIC & ELECTRICAL SPECIFICATIONS

TEST CONDITIONS 23 ±2°C, 55±20% R.H., VDD min < VDD < VDD max , no load, Gain = 20dB, unless otherwise indicated

Parameter Supply Voltage1 Supply Current1,2

Sensitivity1,3

Symbol VDD IDD S

Conditions 94 dB SPL 1 kHz

Min Typ Max Units
- 500 µA
-25 -22 -19 dBV/Pa

Signal to Noise Ratio SNR
94 dB SPL 1 kHz, A-weighted
- dB A

Total Harmonic Distortion

Acoustic Overload Point

Output Impedance ZOUT
94 dB SPL 1 kHz, S = Typ, Rload > 2
10% THD 1 kHz, Gain = 0dB, S = Typ, VDD = 5.5V, Rload > 2
1154
1 kHz
- dB SPL

Directivity

Omnidirectional

Polarity

Increasing sound pressure

Decreasing output voltage
1 100% tested.
2 Maximum specifications are measured at maximum VDD. Typical specifications are measured at VDD = 1.8V. 3 Gain, Sensitivity, and ZOUT are measured in differential mode. In single-ended mode, these are 6dB less i.e., half . 4 For gain = 20dB, AOP min = 95 dB SPL.

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Datasheet ID: SPM0406HE3H-SB 644977