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MAX9796

Features: ` Unique Spread-Spectrum Modulation and ActiveEmissions Limiting Significantly Reduces EMI` Up to 3 Stereo Inputs` 2.3W Mono Speaker Output (4Ω, VDD = 5V)` 50mW Mono Receiver/Stereo Headphone Outputs (32Ω, VDD = 3.3V)` High PSRR (68dB at 217Hz)` 80% Efficiency (VDD = 3.3V, RL...

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SeekIC No. : 004412900 Detail

MAX9796: Features: ` Unique Spread-Spectrum Modulation and ActiveEmissions Limiting Significantly Reduces EMI` Up to 3 Stereo Inputs` 2.3W Mono Speaker Output (4Ω, VDD = 5V)` 50mW Mono Receiver/Stereo ...

MAX9796 Data Sheet

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Part Number:
MAX9796
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Unique Spread-Spectrum Modulation and Active
Emissions Limiting Significantly Reduces EMI
` Up to 3 Stereo Inputs
` 2.3W Mono Speaker Output (4Ω, VDD = 5V)
` 50mW Mono Receiver/Stereo Headphone Outputs (32Ω, VDD = 3.3V)
` High PSRR (68dB at 217Hz)
` 80% Efficiency (VDD = 3.3V, RL = 8Ω, POUT = 600mW)
` I2C Control-Input Configuration, Volume Control, Output Mode
` Click-and-Pop Suppression
` Low Total Harmonic Distortion (0.03% at 1kHz)
` Current-Limit and Thermal Protection
` Available in Space-Saving, 36-Bump UCSP (3mm x 3mm)


Application

·Cell Phones
·Portable Multimedia Players
·Handheld Gaming Consoles


Specifications

VDD to GND ........................................................................+6V
PVDD to PGND.....................................................................+6V
CPVDD to CPGND................................................................ +6V
CPVSS to CPGND...................................................-6V to +0.3V
VSS to CPGND.......................................................-6V to +0.3V
C1N......................................(CPVSS - 0.3V) to (CPGND + 0.3V)
C1P......................................(CPGND - 0.3V) to (CPVDD + 0.3V)
HPL, HPR to GND...................(CPVSS - 0.3V) to (CPVDD + 0.3V)
GND to PGND and CPGND................................................±0.3V
VDD to PVDD and CPVDD.................................................±0.3V
SDA, SCL to GND....................................................-0.3V to +6V
All other pins to GND...............................-0.3V to (VDD + 0.3V)
Continuous Current In/Out of PVDD, PGND, CPVDD, CPGND,
OUT_ _, HPR, and HPL................................................ ±800mA
Continuous Input Current CPVSS.................................+260mA
Continuous Input Current (all other pins) .....................±20mA
Duration of Short Circuit Between
OUT+ and OUT-......................................................  Continuous
Duration of HP_ OUT_ Short Circuit to
GND or PVDD ..........................................................  Continuous
Continuous Power Dissipation (TA = +70°C)
36-Bump (3mm x 3mm) UCSP Multilayer Board
(derate 17.0mW/°C above +70°C)...........................1360.5mW
Junction Temperature......................................................+150°C
Operating Temperature Range ......................... -40°C to +85°C
Storage Temperature Range ...........................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C


Description

The MAX9796 combines a high-efficiency Class D, mono audio power amplifier with a mono DirectDrive™ receiver amplifier and a stereo DirectDrive headphone amplifier. Maxim's 3rd-generation, ultra-low EMI, Class D audio power amplifiers provide Class AB performance with Class D efficiency.

The MAX9796 delivers 2.3W into a 4Ω load from a 5V supply and offers efficiencies up to 80%. Active emissions limiting circuitry and spread-spectrum modulation greatly reduce EMI, eliminating the need for output filtering found in traditional Class D devices.

The MAX9796 features a fully differential architecture, a full-bridged output, and comprehensive click-and-pop suppression. The device utilizes a flexible, user-defined mixer architecture that includes an input mixer, volume control, and output mixer. All controls are done through an I2C interface.

The mono receiver amplifier and stereo headphone amplifier MAX9796 use Maxim's patented† DirectDrive architecture, that produces a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, space, and component height. The MAX9796 is available in a 36-bump UCSP™ (3mm x 3mm) package and is specified over the extended -40°C to +85°C temperature range.




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