MAX9724
60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
Show More
Not the part you were looking for?
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
Other places you can find help
Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
Features
- Improved RF Noise Rejection (Up to 67dB Over Typical Amplifiers)
- No Bulky DC-Blocking Capacitors Required
- Low-Power Shutdown Mode, < 0.1µA
- Adjustable Gain (MAX9724A) or Fixed -1.5V/V Gain (MAX9724B)
- Low 0.02% THD+N
- High PSRR (80dB at 1kHz) Eliminates LDO
- Integrated Click-and-Pop Suppression
- 2.7V to 5.5V Single-Supply Operation
- Low Quiescent Current (3.5mA)
- Available in Space-Saving Packages
- 12-Bump UCSP (1.5mm x 2mm)
- 12-Pin Thin QFN (3mm x 3mm x 0.8mm)
.svg?rev=fd385c90e2cf4716ae9a8c8d20e6b8e3&la=en&h=24&w=24&hash=A302DF48F94BAAA11877AF223F27157A){kind=icon}
The MAX9724A/MAX9724B stereo headphone amplifiers are designed for portable equipment where board space is at a premium. These devices use a unique DirectDrive® architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height. The MAX9724 suppresses RF radiation received by input and supply traces acting as antennas and prevents the amplifier from demodulating the coupled noise. The MAX9724A offers an externally adjustable gain while the MAX9724B has an internally preset gain of -1.5V/V. The MAX9724A/MAX9724B deliver up to 60mW per channel into a 32Ω load and have low 0.02% THD+N. An 80dB at 1kHz power-supply rejection ratio (PSRR) allows these devices to operate from noisy digital supplies without an additional linear regulator. Comprehensive click-and-pop circuitry suppresses audible clicks and pops on startup and shutdown.
The MAX9724A/MAX9724B operate from a single 2.7V to 5.5V supply, consume only 3.5mA of supply current, feature short-circuit and thermal-overload protection, and are specified over the extended -40°C to +85°C temperature range. The devices are available in tiny 12-bump UCSP™ (1.5mm x 2mm) and 12-pin thin QFN (3mm x 3mm x 0.8mm) packages.
Applications
- Cellular Phones
- DVD Players
- Handheld Gaming Consoles
- MP3 Players
- Notebook PCs
- PDAs
- Smartphones
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
Other places you can find help
Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
{{modalTitle}}
{{modalDescription}}
{{dropdownTitle}}
- {{defaultSelectedText}} {{#each projectNames}}
- {{name}} {{/each}} {{#if newProjectText}}
-
{{newProjectText}}
{{/if}}
{{newProjectTitle}}
{{projectNameErrorText}}
MAX9724
Documentation
Filters
1 Applied
-
All
-
Data Sheet
-
Reliability Data
-
All
-
English
-
Chinese
-
Japanese
Data Sheet
3
MAX9724-MAX9724B: 60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown Data Sheet (Rev.6)
4628: 60mW、DirectDrive、立体声耳机放大器，具有较低的RF干扰敏感度，带关断控制 Data Sheet
Reliability Data
1
33.20K
Documentation
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 |
|---|---|---|---|
| MAX9724AETC+ |
12-LFCSP-3X3X0.75
|
|
|
| MAX9724AETC+T |
12-LFCSP-3X3X0.75
|
|
|
| MAX9724BEBC+G45 |
12-WLCSP-N/A
|
|
|
| MAX9724BETC+ |
12-LFCSP-3X3X0.75
|
|
|
| MAX9724BETC+T |
12-LFCSP-3X3X0.75
|
|
- MAX9724AETC+
- Pin/Package Drawing
-
12-LFCSP-3X3X0.75
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX9724AETC+T
- Pin/Package Drawing
-
12-LFCSP-3X3X0.75
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX9724BEBC+G45
- Pin/Package Drawing
-
12-WLCSP-N/A
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX9724BETC+
- Pin/Package Drawing
-
12-LFCSP-3X3X0.75
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX9724BETC+T
- Pin/Package Drawing
-
12-LFCSP-3X3X0.75
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Jan 9, 2015
- 1481
WAFER FAB
MAX9724BEBC+G45
LAST TIME BUY
Filter by Model
Part Models
Product Lifecycle
PCN
Jan 9, 2015
- 1481
WAFER FAB
Software & Part Ecosystem
Evaluation Kits 1
MAX9724AEVKIT
Evaluation Kit for the MAX9724A and MAX9724B
Product Detail
The MAX9724A evaluation kit (EV kit) is a fully assembled and tested printed-circuit board (PCB) that uses the MAX9724A IC to drive a stereo headphone in portable applications. The MAX9724A is a 60mW stereo headphone amplifier with adjustable gain and DirectDrive® outputs. Maxim's DirectDrive technology eliminates the need for bulky DC-blocking capacitors at the output of the amplifier.
The EV kit is configured for a -1.5V/V gain and is designed to operate from a 2.7V to 5.5V DC power supply. The EV kit is capable of delivering up to 60mW per channel into a 32Ω load and achieving 0.02% THD+N.
The MAX9724A EV kit can also be used to evaluate the MAX9724B fixed-gain amplifier. Contact Maxim for a free sample of the MAX9724B IC.
Applications
- Cellular Phones
- DVD Players
- Handheld Gaming Consoles
- MP3 Players
- Notebook PCs
- PDAs
- Smartphones