MAX9812/MAX9813
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
Typical Operating Circuits
V
CC
V
CC
8
4
V
V
0.1µF
BIAS
7
6
0.1µF
BIAS
5
6
V
V
CC
CC
BIAS
IN1
BIAS
IN
3
1
1
3
2.2kΩ
2.2kΩ
SHDN
SHDN
2.2kΩ
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
MAX9813
MAX9812
OUT
OUT
MIC1
5
4
MIC
IN2
IN1/IN2
MIC2
GND
GND
2
2
Pin Configurations
TOP VIEW
+
+
SHDN
1
2
3
6
IN
OUT
GND
1
2
3
4
8
7
6
5
V
CC
BIAS
IN1
MAX9812
GND
OUT
5
4
BIAS
MAX9813
SHDN
IN1/IN2
IN2
V
CC
SC70
SOT23
Package Information
Selector Guide
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
TOP
PART
PIN-PACKAGE
V
(V)
CC
MARK
MAX9812LEXT+T
MAX9812HEXT+T
MAX9813LEKA+T
MAX9813HEKA+T
6 SC70
6 SC70
2.7 to 3.6
4.5 to 5.5
2.7 to 3.6
4.5 to 5.5
ABJ
ABK
LAND
PATTERN NO.
PACKAGE
TYPE
PACKAGE
CODE
8 SOT23
8 SOT23
AEEU
AEEV
OUTLINE NO.
90-0189
90-0176
6 SC70
8 SOT
X6SN+1
K8+1
21-0077
21-0078
+Denotes a lead(Pb)-free/RoHS-compliant package.
Chip Information
PROCESS: BiCMOS
9
Maxim Integrated
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
