Datasheet

MAX4060/MAX4061/MAX4062
Differential Microphone Preamplifiers with
Internal Bias and Complete Shutdown
______________________________________________________________________________________ 13
2.2kΩ
1kΩ
AUX_IN
9
IN-
IN+
7
6
5
V
CC
2.4V TO 5.5V
MAX4062
GND
8
G2
G1
0.1μF
0.1μF
1
10
R
G
11kΩ
BIAS
V
BIAS
0.1μF
0.1μF
4
x10
OUT
INT/AUX
2
3
1kΩ
V
DD
2.2μF
1kΩ
1kΩ
2.2μF
Figure 4. Remote Differential Microphone Bias Network Optimizes Noise Rejection in Long-Run, PC Board Traces
Pin Configurations
1
2
3
4
8
7
6
5
AUX_IN
GND
IN-
IN+
EP*
V
CC
*CONNECT EP TO GND (TDFN ONLY).
BIAS
OUT
INT/AUX
MAX4060
µMAX/TDFN
1
2
3
4
8
7
6
5
G1
GND
IN-
IN+V
CC
OUT
SHDN
G2
MAX4061
µMAX/TDFN
TOP VIEW
1
2
3
4
5
10
9
8
7
6
G1
AUX_IN
GND
IN-BIAS
OUT
INT/AUX
G2
MAX4062
µMAX
IN+V
CC
EP*