Datasheet

OPA378
C
600pF
4
R
100kW
3
OPA378
C
110pF
7
R
100kW
5
C
470nF
6
C
10 Fm
5
R
4
10kW
R
2
10kW
+5V
+5V
C
1 Fm
3
C
10 Fm
2
V
BIAS2
V
BIAS1
Mic
Output
Mic
Bias
C
33pF
1
Out
Gnd
DigitalStethoscope
MicrophoneOutput
Electret
Microphone
Element
with
InternalFET
2.2kW
OPA378
OPA2378
www.ti.com SBOS417D –JANUARY 2008–REVISED OCTOBER 2009
Figure 38. Digital Stethoscope Circuit
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Product Folder Link(s): OPA378 OPA2378