MAX97003
High-Efficiency, Low-Noise Audio Subsystem
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Audio Subsystem with Best-in-Class EMI Reduction and Highly Efficient Class H Stereo Headphone Amplifiers
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Features
- 2.7V to 5.5V Speaker Supply Voltage
- 1.8V Headphone Supply Voltage
- 1.0W Speaker Output (VPVDD = 4.2V, ZSPK = 8Ω + 68µH, 1% THD+N)
- 32mW/Channel Headphone Output (RHP = 32Ω)
- Active Emissions Limiting for Enhanced EMI Reduction
- Efficient Class H Headphone Amplifier
- Ground-Referenced Headphone Outputs
- Headphone Ground Sense
- 2 Stereo Single-Ended/Mono Differential Inputs
- Integrated Expander/Noise Gate for Low Output Noise
- Integrated DRC (Speaker Outputs)
- Integrated Distortion Limiter (Speaker Outputs)
- Extensive Click-and-Pop Reduction Circuitry
- TDMA Noise Free
- 2.0mm x 2.4mm, 20-Bump WLP Package (0.4mm Pitch)
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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 -40°C to +85°C temperature range, and is available in the 2.0mm x 2.4mm, 20-bump WLP package (0.4mm pitch).
Applications
- Cell Phones
- Portable Media Players
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
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Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX97003
Documentation
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Data Sheet
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24.88K
Documentation
Data Sheet 1
Reliability Data 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| MAX97003EWP+ |
20-WLCSP-N/A
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| MAX97003EWP+T |
20-WLCSP-N/A
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- MAX97003EWP+
- Pin/Package Drawing
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20-WLCSP-N/A
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- MAX97003EWP+T
- Pin/Package Drawing
-
20-WLCSP-N/A
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Software & Part Ecosystem
Evaluation Kits 1
MAX97003EVKIT
Evaluation Kit for the MAX97003
Features and Benefits
- 2.7V to 5.5V Single-Supply Operation
- Proven Audio PCB Layout
- On-Board USB Interface Circuit Generates I²C-Compatible Signals
- PCB Pads for User-Supplied I²C-Compatible Signals
- Surface-Mount Components
- Windows XP-, Windows Vista-, and Windows 7-Compatible Software
- Fully Assembled and Tested
Product Detail
Applications
- Cell Phones
- Portable Media Players
Evaluation Kits1
Tools & Simulations 1
Software Development 1
