Typical Performance Characteristics Unless otherwise specified, TJ = 25°C, VDD = 3.3V, Input Voltage
= 18mVP-P, f = 1kHz, pass through mode, Pre Amp gain = 20dB, Post Amp gain = 6dB, RL = 100kΩ, and CL = 4.7pF.
THD+N vs Frequency
Mic1 = AC GND, Mic2 = 36mVP-P
Noise Canceling Mode
THD+N vs Frequency
Mic2 = AC GND, Mic1 = 36mVP-P
Noise Canceling Mode
30092257
30092258
THD+N vs Frequency
Mic1 = 36mVP-P
Mic1 Pass Through Mode
THD+N vs Frequency
Mic2 = 36mVP-P
Mic2 Pass Through Mode
30092259
30092260
THD+N vs Input Voltage
Mic1 = AC GND, f = 1kHz
Mic2 Noise Canceling Mode
THD+N vs Input Voltage
Mic2 = AC GND, f = 1kHz
Mic1 Noise Canceling Mode
30092261
30092262
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NSC [ National Semiconductor ]
