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MAX9813HEKA-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX9813HEKA-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 10 page General Description The MAX9812/MAX9813 are single/dual-input, 20dB fixed-gain microphone amplifiers. They offer tiny pack- aging and a low-noise, integrated microphone bias, making them ideal for portable audio applications such as notebook computers, cell phones, and PDAs. These amplifiers feature a 500kHz bandwidth, rail-to-rail out- puts, an industry-leading 100dB power-supply rejection ratio, and a very low 0.015% THD+N. Power-saving fea- tures include very low 230µA supply current and a total shutdown mode that cuts the combined supply and BIAS currents to only 100nA. The MAX9812 is a single amplifier in a 6-pin SC70 package (2mm x 2.1mm) and the MAX9813 is a dual- input amplifier available in an 8-pin SOT23 (3mm x 3mm) package. The MAX9813 has two inputs allowing two microphones to be multiplexed to a single output. The MAX9812/MAX9813 are offered in two grades. The MAX9812L/MAX9813L are optimized for 3.3V supply operation (2.7V to 3.6V). The MAX9812H/MAX9813H are PC2001 compliant and are optimized for 5V operation (4.5V to 5.5V). Both devices are specified over the -40°C to +85°C extended operating temperature range. Applications Notebook Computers PDAs Smart Phones Car Kit Adapters Digital Cameras Video Tape Recorders Features o PC2001 Compliant o 100dB at 217Hz Power-Supply Rejection Ratio o Very Low 230µA Quiescent Current o Low 0.015% THD+N o Available in Two Versions MAX9812L/MAX9813L—2.7V to 3.6V MAX9812H/MAX9813H—4.5V to 5.5V o Internal Low-Noise Microphone Bias Supply 2.3V for MAX9812L/MAX9813L 4.0V for MAX9812H/MAX9813H o 100nA Low-Power Shutdown Mode o Rail-to-Rail Outputs o 20dB Fixed Gain o Available in Tiny 6-Pin SC70 (2mm x 2.1mm) and 8-Pin SOT23 (3mm x 3mm) Packages o Extended Temperature Range -40°C to +85°C 19-2840; Rev 2; 9/12 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. MAX9812/MAX9813 Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias Ordering Information Pin Configurations, Selector Guide, and Typical Operating Circuits appear at end of data sheet. PART TEMP RANGE PIN- PACKAGEVCC (V) MAX9812LEXT+T -40 °C to +85°C 6 SC70 2.7 to 3.6 MAX9812LEXT/V+T -40 °C to +85°C 6 SC70 2.7 to 3.6 MAX9812HEXT+T -40 °C to +85°C 6 SC70 4.5 to 5.5 MAX9813LEKA+T -40 °C to +85°C 8 SOT23 2.7 to 3.6 MAX9813HEKA+T -40 °C to +85°C 8 SOT23 4.5 to 5.5 MAX9812 20dB REFERENCE 2.3V (L VERSION) 4.0V (H VERSION) IN BIAS OUT SHDN VCC GND MAX9813 20dB IN1/IN2 REFERENCE 2.3V (L VERSION) 4.0V (H VERSION) IN2 IN1 BIAS OUT SHDN VCC GND Simplified Block Diagrams + Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part. |
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