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ADMP441 データシート(PDF) 3 Page - Analog Devices |
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ADMP441 データシート(HTML) 3 Page - Analog Devices |
3 / 16 page Data Sheet ADMP441 Rev. A | Page 3 of 16 SPECIFICATIONS TA = 25°C, VDD = 2.4 V, SCK = 3.072 MHz, SPL = 104 dB (3.16 Pa rms), unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit PERFORMANCE Directionality Omni Sensitivity at 94 dB SPL1 1 kHz, 104 dB SPL −29 −26 −23 dBFS Signal-to-Noise Ratio SNR 20 kHz bandwidth, A-weighted 61 dBA Equivalent Input Noise EIN 20 kHz bandwidth, A-weighted 33 dBA SPL Dynamic Range Derived from EIN and maximum acoustic input 87 dB Frequency Response2 Low frequency –3 dB point 60 Hz High frequency –3 dB point 15 kHz Deviation limits from flat response within pass band −3/+2 dB Total Harmonic Distortion THD 104 dB SPL 3 % Power Supply Rejection PSR 217 Hz, 100 mV p-p square wave superimposed on VDD −75 dBFS Maximum Acoustic Input Peak 120 dB SPL Noise Floor 20 Hz to 20 kHz, A-weighted, rms −87 dBFS POWER SUPPLY Supply Voltage VDD 1.8 3.3 V Supply Current IDD VDD = 1.8 V Normal Mode 1.4 1.6 mA Standby 0.8 mA Power-Down 2 μA VDD = 3.3 V Normal Mode 2.2 2.5 mA Standby 0.8 mA Power-Down 4.5 μA DIGITAL FILTER Group Delay 17.25/fS sec fS = 48 kHz 359 μs fS = 16 kHz 1078 μs Pass-Band Ripple ±0.04 dB Stop-Band Attenuation 60 dB Pass Band 0.423 × fS 20.3 kHz 1 The peak-to-peak amplitude is relative to peak-to-peak amplitude of 224 − 1. The stimulus is a 104 dB SPL sinusoid having rms amplitude of 3.1623 Pa. Sensitivity is relative to 1 Pa. 2 See Figure 6 and Figure 8. |
同様の部品番号 - ADMP441 |
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同様の説明 - ADMP441 |
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