Datenblatt-Suchmaschine für elektronische Bauteile |
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ADMP411 Datenblatt(PDF) 3 Page - Analog Devices |
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ADMP411 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 12 page Data Sheet ADMP411 Rev. 0 | Page 3 of 12 SPECIFICATIONS TA = 25°C, VDD = 1.8 V, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit PERFORMANCE Directionality Omni Sensitivity 1 kHz, 94 dB SPL −48 −46 −44 dBV Signal-to-Noise Ratio (SNR) 20 Hz to 20 kHz, A-weighted 62 dBA Equivalent Input Noise (EIN) 20 Hz to 20 kHz, A-weighted 32 dBA SPL Dynamic Range Derived from EIN and maximum acoustic input 99 dB Frequency Response1 Low frequency −3 dB point 28 Hz High frequency −3 dB point >20 kHz Total Harmonic Distortion (THD) 105 dB SPL 0.2 1 % Power Supply Rejection (PSR) 217 Hz, 100 mV p-p square wave superimposed on VDD = 1.8 V −80 dBV Power Supply Rejection Ratio (PSRR) 1 kHz, 100 mV p-p sine wave superimposed on VDD = 1.8 V −46 dB Acoustic Overload Point 10% THD 131 dB SPL POWER SUPPLY Supply Voltage (VDD) 1.5 3.63 V Supply Current (IS) VDD = 1.8 V 180 220 µA VDD = 3.3 V 210 250 µA OUTPUT CHARACTERISTICS Output Impedance (ZOUT) 200 Ω Output DC Offset 0.8 V Maximum Output Voltage 131 dB SPL input 0.355 V rms Noise Floor 20 Hz to 20 kHz, A-weighted, rms −108 dBV 1 See Figure 5 and Figure 6. |
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