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Part Number: MAX4063
Description: The MAX4063 is a differential-input microphone preamplifier optimized for high-performance, portable applications. The ...
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MAX4063
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General Description
MAX4063 General Description
The MAX4063 is a differential-input microphone preamplifier optimized for high-performance, portable applications. The device features two selectable inputs,
differential outputs, adjustable gain, an integrated lownoise bias source, and a low-power shutdown mode. Two input paths provide both differential and singleended microphone sensing. The high-noise rejection of the differential input is ideally suited to an internal microphone where system noise and long-run PC board traces can degrade low-level signals. The single-ended input provides a simple connection to an external microphone.
The differential and single-ended inputs have independent, adjustable gains that are set with a single external resistor. Differential outputs provide a full-scale signal of up to 6VP-P from a single 3V supply, optimizing the dynamic range of the amplified signal. A complete shutdown mode reduces the supply current to only 0.3A and disables the microphone bias for the ultimate in power savings.
The MAX4063 operates from 2.4V to 5.5V and is specified over the extended -40°C to +85°C operating temperature range. The MAX4063 is available in both 16-pin thin QFN (4mm x 4mm x 0.8mm) and 14-pin TSSOP packages.
MAX4063 Maximum Ratings
Supply Voltage (VCC to GND). .................................-0.3V to +6V
Any Other Pin to GND ................................-0.3V to (VCC + 0.3V)
Duration of Short Circuit to GND or VCC ....................Continuous
Continuous Input Current (any pin) ............................... ±10mA
Continuous Power Dissipation (TA = +70°C)
14-Pin TSSOP (derate 9.1mW/°C above +70°C) ...........667mW
16-Pin Thin QFN (derate 16.9mW/°C above +70°C) ...1349mW
Operating Temperature Range ........................-40°C to +85°C
Storage Temperature Range .........................-65°C to +150°C
Lead Temperature (soldering, 10s) ...............................+300°C
Any Other Pin to GND ................................-0.3V to (VCC + 0.3V)
Duration of Short Circuit to GND or VCC ....................Continuous
Continuous Input Current (any pin) ............................... ±10mA
Continuous Power Dissipation (TA = +70°C)
14-Pin TSSOP (derate 9.1mW/°C above +70°C) ...........667mW
16-Pin Thin QFN (derate 16.9mW/°C above +70°C) ...1349mW
Operating Temperature Range ........................-40°C to +85°C
Storage Temperature Range .........................-65°C to +150°C
Lead Temperature (soldering, 10s) ...............................+300°C
MAX4063 Features
2.4V to 5.5V Single-Supply Operation
Differential Inputs and Outputs
Adjustable Gain
High 95dB PSRR
High 79dB CMRR
Low-Noise, Integrated Microphone Bias
750A Supply Current
0.3A Shutdown Current
±4kV ESD Protection (AUX_IN)
THD+N: 0.05% at 1kHz
Available in Space-Saving Packages 14-Pin TSSOP 16-Pin Thin QFN (4mm x 4mm x 0.8mm)
Differential Inputs and Outputs
Adjustable Gain
High 95dB PSRR
High 79dB CMRR
Low-Noise, Integrated Microphone Bias
750A Supply Current
0.3A Shutdown Current
±4kV ESD Protection (AUX_IN)
THD+N: 0.05% at 1kHz
Available in Space-Saving Packages 14-Pin TSSOP 16-Pin Thin QFN (4mm x 4mm x 0.8mm)
MAX4063 Typical Application
Notebook Audio Systems Tablet PCs PDA Audio Systems Signal Conditioning
MAX4063 Connection Diagram
MAX4063
PDF/DataSheet Download
- Datasheet: MAX4063
- File Size: 413931 KB
- Manufacturer: Maxim
- Click here to Download
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