2718 MEMS Microphone, 2.75 × 1.85 × 0.9 mm

Sensitivity S Test Condition: f = 1 kHz, Pin = 1 Pa Min: –41 dB Typ: –39 dB Max: –37 dB Unit: dB (0 dB = 1 V/Pa) ΔS(100–1k) Test Condition: f = 100 Hz to 1 kHz, Pin = 1 Pa Min: –6 dB Typ: –3 dB Max: 0 dB ΔS(300–1k) Test Condition: f = 300 Hz to 1 kHz, Pin = 1 Pa Min: –3 dB Typ: 0 dB Max: 3 dB ΔS(3k–1k) Test Condition: f = 3 kHz to 1 kHz, Pin = 1 Pa Min: –3 dB Typ: 0 dB Max: 3 dB ΔS(8k–1k) Test Condition: f = 8 kHz to 1 kHz, Pin = 1 Pa Min: –3 dB Typ: 0 dB Max: 3 dB ΔS(10k–1k) Test Condition: f = 10 kHz to 1 kHz, Pin = 1 Pa Min: –3 dB Typ: 2 dB Max: 6 dB Output Impedance Zout Test Condition: f = 1 kHz, Pin = 1 Pa Typ: 150 Ω Directivity D(Θ) Omnidirectional Current Consumption I Operating Voltage Range: 1.5 V to 3.3 V Min: 30 µA Max: 150 µA S/N Ratio S/N(A) Test Condition: f = 1 kHz, Pin = 1 Pa, A-Weighted Min: 59 dB Typ: 60 dB Max: – Decreasing Voltage Characteristic ΔS Test Condition: f = 1 kHz, Pin = 1 Pa, Vs = 3.3 → 1.5 V No Change Operating Voltage Range Vs Min: 1.5 V Max: 3.3 V Power Supply Rejection PSR Test Condition: Vpp = 100 mV, square wave, f = 217 kHz Min: –75 dB Typ: –70 dB Distortion THD+N Test Condition: 110 dB SPL @ 1 kHz Min: 0.25% Typ: 1%