SPK0833LM4H-B-7

SPK0833LM4H-B-7 Datasheet

SPK0833LM4H-B

Part	Datasheet
SPK0833LM4H-B-7	SPK0833LM4H-B-7 (pdf)

PDF Datasheet Preview
SPK0833LM4H-B Digital Zero-Height SiSonicTM Microphone The SPK0833LM4H-B is a miniature, highperformance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPK0833LM4H-B consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. 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 • High Drive Capability • Low Current • Flat Frequency Response • RF Shielded • Zero-Height MicTM • PDM Output • Supports Dual Multiplexed Channels • Ultra-Stable Performance • Standard SMD Reflow • Omnidirectional 6/03/2013 Knowles Electronics SPK0833LM4H-B ABSOLUTE MAXIMUM RATINGS Parameter VDD, DATA to Ground CLOCK to Ground SELECT to Ground Input Current Short Circuit Current to/from DATA Temperature Range Absolute Maximum Rating ±5 Indefinite to Ground or VDD -40 to +100 Units V mA sec °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=1.8 V, FCLOCK=2.4 MHz, SELECT pin grounded, no load, unless otherwise indicated Parameter Supply Voltage1 Supply Current1,2,3 Sleep Current3 Sensitivity1 Symbol VDD IDD ISLEEP S Conditions FCLOCK < 1 kHz 94 dB SPL 1 kHz Max Units -23 dBFS Signal to Noise Ratio SNR 94 dB SPL 1 kHz, A-weighted Total Harmonic Distortion Acoustic Overload Point 94 dB SPL 1 kHz, S = Typ 10% THD 1 kHz, S = Typ dB SPL Power Supply Rejection Ratio PSRR 200 mVpp sinewave 1 kHz dBV /FS Power Supply Rejection 100 mVpp square wave 217 Hz, A-weighted dBFS A DC Output Fullscale = ±100 Directivity Omnidirectional Polarity Increasing sound pressure Increasing density of 1’s

PDF Datasheet Preview

SPK0833LM4H-B

Digital Zero-Height SiSonicTM Microphone

The SPK0833LM4H-B is a miniature, highperformance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPK0833LM4H-B consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. 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
• High Drive Capability
• Low Current
• Flat Frequency Response
• RF Shielded
• Zero-Height MicTM
• PDM Output
• Supports Dual Multiplexed Channels
• Ultra-Stable Performance
• Standard SMD Reflow
• Omnidirectional
6/03/2013 Knowles Electronics

SPK0833LM4H-B

ABSOLUTE MAXIMUM RATINGS

Parameter VDD, DATA to Ground CLOCK to Ground SELECT to Ground Input Current

Short Circuit Current to/from DATA Temperature Range

Absolute Maximum Rating ±5

Indefinite to Ground or VDD -40 to +100

Units V mA sec °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=1.8 V, FCLOCK=2.4 MHz, SELECT pin grounded, no load, unless otherwise indicated

Parameter Supply Voltage1 Supply Current1,2,3

Sleep Current3 Sensitivity1

Symbol VDD IDD ISLEEP S

Conditions

FCLOCK < 1 kHz 94 dB SPL 1 kHz

Max Units
-23 dBFS

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

Total Harmonic Distortion

Acoustic Overload Point
94 dB SPL 1 kHz, S = Typ 10% THD 1 kHz, S = Typ
dB SPL

Power Supply Rejection Ratio

PSRR
200 mVpp sinewave 1 kHz
dBV /FS

Power Supply Rejection
100 mVpp square wave 217 Hz, A-weighted
dBFS A

DC Output

Fullscale = ±100

Directivity

Omnidirectional

Polarity

Increasing sound pressure

Increasing density of 1’s

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived SPK0833LM4H-B-7 Datasheet file may be downloaded here without warranties.

Datasheet ID: SPK0833LM4H-B-7 644968