mp45dt02 STMicroelectronics, mp45dt02 Datasheet
mp45dt02
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mp45dt02 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 MP45DT02 has an acoustic overload point of 120 dBSPL with a best on the market 58 dB signal-to-noise ratio and -26 dB sensitivity. The MP45DT02 is available in an SMD-compliant package and is guaranteed to operate over an extended temperature range from -30 ° ...
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... Contents Contents 1 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 018658 Rev 1 MP45DT02 ...
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... MP45DT02 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 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. ...
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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 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 4. MP45DT02 electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 5. MP45DT02 electrical connections for stereo configuration Figure 6. Recommended soldering profile limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 7. HLGA 4. 3.76 mm 6-lead package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4/16 Doc ID 018658 Rev 1 ...
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... MP45DT02 1 Pin descriptions Figure 1. Pin connections ( Table 2. Pin descriptions Pin # Pin name GND 0 V supply Left/right channel selection; LR MIC1 LR is connected to GND or Vdd and MIC2 LR is connected to Vdd or GND (see Figure GND 0 V supply CLK ...
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... Distortion specifications Parameter Distortion Distortion 6/16 Test condition No load on data line (2) A-weighted @1 kHz Guaranteed by (3) design (4) (5) Guaranteed by design Test condition 100 dBSPL ( kHz) 115 dBSPL (1 kHz) Doc ID 018658 Rev 1 MP45DT02 (1) Min. Typ. Max. Unit 1.64 1.8 3 µ 120 dBSPL -26 ...
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... MP45DT02 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 1kHz Table 6. Frequency response mask for digital microphones Frequency / Hz 20...100 100...8000 8000...10000 °C and acoustic stimulus = 1 Pa (94 dB SPL) 8/16 (1) Lower limit - Doc ID 018658 Rev 1 MP45DT02 Upper limit Unit +5 dBr 1kHz +2 dBr 1kHz +5 dBr 1kHz ...
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... MP45DT02 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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... L/R channel selection 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 impedence Doc ID 018658 Rev 1 MP45DT02 Table 8. The CLK high High impedence Data valid ...
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... Application recommendations Figure 4. MP45DT02 electrical connections Figure 5. MP45DT02 electrical connections for stereo configuration MIC 1 Power supply decoupling capacitors (100 nF ceramic, 10 µF ceramic) should be placed as near as possible to pin 6 of the device (common design practice). The L/R pin must be connected to Vdd or GND (refer to Vdd 10 µ ...
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... ST trademark. Soldering information The HLGA 4.72 x 3.76 6LD package is also compliant with the RoHS and “Green” standards and is qualified for soldering heat resistance according to JEDEC J-STD-020. The landing pattern and soldering recommendations are available at www.st.com. 12/16 Doc ID 018658 Rev 1 MP45DT02 ® ...
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... MP45DT02 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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... Doc ID 018658 Rev Typ Max 1.250 1.375 4.720 4.770 1.320 0.840 0.930 3.760 3.810 1.880 3.300 3.400 2.350 2.450 1.650 1.750 1.175 1.275 1.450 1.550 0.965 1.065 0.910 1.010 0.050 MP45DT02 8287552_A ...
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... MP45DT02 7 Revision history Table 11. Document revision history Date 28-Mar-2011 Revision 1 Initial release. Doc ID 018658 Rev 1 Revision history Changes 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 018658 Rev 1 MP45DT02 ...