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MAX97003

Maxim Integrated Products
Part Number MAX97003
Manufacturer Maxim Integrated Products
Description Low-Noise Audio Subsystem
Published Feb 21, 2012
Detailed Description www.DataSheet.co.kr 19-6044; Rev 0; 9/11 MAX97003 High-Efficiency, Low-Noise Audio Subsystem General Description The M...
Datasheet PDF File MAX97003 PDF File

MAX97003
MAX97003


Overview
www.
DataSheet.
co.
kr 19-6044; Rev 0; 9/11 MAX97003 High-Efficiency, Low-Noise Audio Subsystem General Description The MAX97003 audio subsystem combines a mono speaker amplifier with a stereo headphone amplifier.
The headphone and speaker amplifiers have independent volume and on/off controls.
The four inputs are configurable as two differential or four single-ended inputs.
To minimize output noise, both the headphone and speaker outputs utilize a downward expander/noise gate to attenuate noise when no desired input signal is present.
The speaker output incorporates an adjustable dynamic range compressor (DRC) and distortion limiter to protect the speaker and maximize loudness.
This allows high gain for low-level signals without compromising the quality of large signals.
All controls are performed using the two-wire I2C interface.
The IC operates in the extended -40NC to +85NC temperature range, and is available in the 2.
0mm x 2.
4mm, 20-bump WLP package (0.
4mm pitch).
S 2.
7V to 5.
5V Speaker Supply Voltage S 1.
8V Headphone Supply Voltage S 1.
0W Speaker Output (VPVDD = 4.
2V, ZSPK = 8I + 68µH, 1% THD+N) S 32mW/Channel Headphone Output (RHP = 32I) S Active Emissions Limiting for Enhanced EMI Reduction S Efficient Class H Headphone Amplifier S Ground-Referenced Headphone Outputs S Headphone Ground Sense S 2 Stereo Single-Ended/Mono Differential Inputs S Integrated Expander/Noise Gate for Low Output Noise S Integrated DRC (Speaker Outputs) S Integrated Distortion Limiter (Speaker Outputs) S Extensive Click-and-Pop Reduction Circuitry S TDMA Noise Free S 2.
0mm x 2.
4mm, 20-Bump WLP Package (0.
4mm Pitch) Features Applications Cell Phones Portable Media Players Ordering Information appears at end of data sheet.
Simplified Block Diagram 1.
8V BATTERY I2C CONTROL POWER SUPPLY STEREO/ MONO INPUT DRC AND EXPANDER VOLUME CLASS D AMPLIFIER LIMITER CLASS H AMPLIFIER CHARGE PUMP HEADPHONE GROUND SENSE EXPANDER STEREO/ MONO INPUT VOLUME MAX97003 For related pa...


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