MP34DB01 STMicroelectronics, MP34DB01 Datasheet
MP34DB01
Specifications of MP34DB01
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MP34DB01 Summary of contents
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... The IC interface is manufactured using a CMOS process that allows designing a dedicated circuit able to provide a digital signal externally in PDM format. The MP34DB01 has an acoustic overload point of 120 dBSPL with a best on the market 62 dB signal-to-noise ratio and -26 dB sensitivity. The MP34DB01 is available in an SMD-compliant package and it is guaranteed to operate over an extended temperature range from -30 ° ...
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... Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Acoustic and electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Acoustic and electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.1 L/R channel selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 Application recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 Doc ID 17924 Rev 2 MP34DB01 ...
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... MP34DB01 List of tables Table 2. Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 3. Acoustic and electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 4. Distortion specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 5. Timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 6. Frequency response mask for digital microphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 7. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 8. L/R channel selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 9. Recommended soldering profile limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 10. RHLGA 4-lead package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 11 ...
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... List of figures List of figures Figure 1. Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Timing waveforms Figure 3. Typical frequency response normalized at 1 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 4. MP34DB01 electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 5. MP34DB01 electrical connections for stereo configuration . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 6. Recommended soldering profile limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 7. RHLGA 4-lead package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4/16 Doc ID 17924 Rev 2 ...
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... MP34DB01 1 Pin descriptions Figure 1. Pin connections Table 2. Pin descriptions Pin # Pin name CLK Synchronization input clock LR Left/right channel selection Vdd Power supply DOUT Left/right PDM data output GND 0 V supply Doc ID 17924 Rev 2 Pin descriptions AM07238v1 Function 5/16 ...
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... Time from the first clock edge to valid output data. Table 4. Distortion specifications Parameter Distortion Distortion 6/16 Test condition (2) Mean value at 1 kHz A-weighted at 1 kHz guaranteed by design Test condition 100 dBSPL ( kHz) 115 dBSPL (1 kHz) Doc ID 17924 Rev 2 MP34DB01 (1) Min. Typ. Max. 1.64 1.8 3.6 0. 120 -29 -26 -23 62 ...
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... MP34DB01 2.2 Timing characteristics Table 5. Timing characteristics Parameter f Clock frequency for normal mode CLK f Clock frequency for power-down mode PD T Clock period for normal mode CLK T Data enabled on DATA line, L/R pin = 1 R,EN T Data disabled on DATA line, L/R pin = 1 R,DIS T Data enabled on DATA line, L/R pin = 0 ...
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... Typical frequency response normalized at 1 kHz Table 6. Frequency response mask for digital microphones Frequency / Hz 20...100 100...8000 8000...20000 °C and acoustic stimulus = 1 Pa (94 dB SPL). 8/16 (1) Lower limit - Doc ID 17924 Rev 2 MP34DB01 Upper limit Unit +5 dBr 1kHz +2 dBr 1kHz +5 dBr 1kHz ...
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... MP34DB01 3 Absolute maximum ratings Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability ...
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... The L/R digital pad lets the user select the DOUT signal pattern as explained in L/R pin must be connected to Vdd or GND. Table 8. L/R channel selection L/R GND Vdd 10/16 CLK low Data valid High impedance Doc ID 17924 Rev 2 MP34DB01 Table 8. The CLK high High impedance Data valid ...
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... Application recommendations Figure 4. MP34DB01 electrical connections Figure 5. MP34DB01 electrical connections for stereo configuration Power supply decoupling capacitors (100 nF ceramic, 10 µF ceramic) should be placed as near as possible to pin 3 of the device (common design practice). The L/R pin must be connected to Vdd or GND (refer to C ODE C ...
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... ECOPACK trademark. Soldering information The ( package is also compliant with the RoHS and “Green” standards and is qualified for soldering heat resistance according to JEDEC J-STD-020. Landing pattern and soldering recommendations are available at www.st.com. 12/16 Doc ID 17924 Rev 2 MP34DB01 ® ...
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... MP34DB01 Figure 6. Recommended soldering profile limits SMAX T SMIN PREHEAT Table 9. Recommended soldering profile limits Description Average ramp rate Preheat Minimum temperature Maximum temperature Time ( SMIN Ramp-up rate Time maintained above liquidous temperature Liquidous temperature Peak temperature Time within 5 °C of actual peak temperature Ramp-down rate Time 25 ° ...
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... MP34DB01 8178743_E ...
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... MP34DB01 7 Revision history Table 11. Document revision history Date 28-Mar-2011 05-Apr-2011 Revision 1 Initial release. 2 Updated Table 3 and Doc ID 17924 Rev 2 Revision history Changes Table 5. 15/16 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 17924 Rev 2 MP34DB01 ...