Datasheet

MAX4465–MAX4469
Low-Cost, Micropower, SC70/SOT23-8, Microphone
Preamplifiers with Complete Shutdown
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Figure 3. Bias Network Circuit
MICROPHONE
INPUT
3.5mm SOCKET
MAX4468
MIC_BIAS
GND
200kΩ
47pF
100kΩ
100kΩ1kΩ
2.2kΩ
20kΩ
0.1µF
0.01µF
10µF
V
CC
IN+
IN-
OUT
SHDN
Test Circuits/Timing Diagrams (continued)
40µs/div
50mV/div
C
L
= 2000pF
Figure 4. Small-Signal Transient Response with Excessive
Capacitive Load
400
µ
s/div
SHDN
2V/div
OUT
R
L
= 10kΩ
C
L
= 10pF
Figure 5. MAX4467/MAX4468 Shutdown Waveform