link to page 9 link to page 9 link to page 9 link to page 9 link to page 9 MAX9812/MAX9813Tiny, Low-Cost, Single/Dual-Input, Fixed-GainMicrophone Amplifiers with Integrated BiasTypical Operating Circuits VCC VCC 4 8 VBIAS 5 V V 0.1μF BIAS 7 V 0.1μF BIAS CC BIAS CC 1 3 SHDN 2.2kΩ 2.2kΩ SHDN 2.2kΩ 0.1μF 6 0.1μF 0.1μF 0.1μF MAX9812 IN1 6 3 MAX9813 1 IN OUT OUT MIC1 0.1μF 5 MIC IN2 4 IN1/IN2 GND MIC2 GND 2 2 Pin Configurations TOP VIEW ++ SHDN 1 6 IN OUT 1 8 VCC MAX9812 GND 2 7 BIAS GND 2 5 BIAS MAX9813 SHDN 3 6 IN1 OUT 3 4 VCC IN1/IN2 4 5 IN2 SC70SOT23Selector GuidePackage Information For the latest package outline information and land patterns (foot- TOPPARTPIN-PACKAGEVCC (V) prints), go to www.maximintegrated.com/packages . Note that a MARK “+”, “#”, or “-” in the package code indicates RoHS status only. MAX9812LEXT+T 6 SC70 2.7 to 3.6 ABJ Package drawings may show a different suffix character, but the MAX9812HEXT+T 6 SC70 4.5 to 5.5 ABK drawing pertains to the package regardless of RoHS status. MAX9813LEKA+T 8 SOT23 2.7 to 3.6 AEEU PACKAGEPACKAGELANDOUTLINE NO.TYPECODEPATTERN NO. MAX9813HEKA+T 8 SOT23 4.5 to 5.5 AEEV 6 SC70 X6SN+1 21-007790-0189 +Denotes a lead(Pb)-free/RoHS-compliant package. 8 SOT K8+1 21-007890-0176Chip Information PROCESS: BiCMOS Maxim Integrated 9