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Part Number: MAX9715
Description: The MAX9715 high-efficiency, stereo, Class D audio power amplifier provides up to 2.8W per channel int...
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MAX9715
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General Description
MAX9715 General Description
The MAX9715 high-efficiency, stereo, Class D audio power amplifier provides up to 2.8W per channel into a 4 speaker with a 5V supply. Maxim's second-generation Class D technology features robust output protection, high efficiency, and high power-supply rejection (PSRR) while eliminating the need for output filters. Selectable gain settings, +10.5dB or +9.0dB, adjust the amplifier gain to suit the audio input level and speaker load.
The MAX9715 features high PSRR (71dB at 1kHz), allowing for operation from noisy supplies without additional regulation. Comprehensive click-and-pop suppression eliminates audible clicks and pops at startup and shutdown. The MAX9715 operates from a single 5V supply and consumes only 12mA of supply current. Integrated shutdown control reduces supply current to less than 100nA.
The MAX9715 is fully specified over the extended -40°C to +85°C temperature range and is available in thermally enhanced 16-pin thin QFN-EP and 16-pin TSSOP packages.
MAX9715 Maximum Ratings
VDD, PVDD, to GND ...............................................................+6V
GND to PGND .......................................................-0.3V to +0.3V
Any Other Pin to PGND ............................. -0.3V to (VDD + 0.3V)
Duration of OUT__ Short Circuit to PGND or PVDD....Continuous
Duration of OUT_+ Short Circuit between OUT_- ......Continuous
Continuous Current Into/Out of (PVDD, OUT__, PGND)........1.7A
Continuous Input Current (All Other Pins) ....................... ±20mA
Continuous Power Dissipation (TA = +70°C)
16-Pin TQFN-EP (derate 20.8mW/°C above +70°C)..1666mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ......754.7mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
GND to PGND .......................................................-0.3V to +0.3V
Any Other Pin to PGND ............................. -0.3V to (VDD + 0.3V)
Duration of OUT__ Short Circuit to PGND or PVDD....Continuous
Duration of OUT_+ Short Circuit between OUT_- ......Continuous
Continuous Current Into/Out of (PVDD, OUT__, PGND)........1.7A
Continuous Input Current (All Other Pins) ....................... ±20mA
Continuous Power Dissipation (TA = +70°C)
16-Pin TQFN-EP (derate 20.8mW/°C above +70°C)..1666mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ......754.7mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX9715 Features
`5V Single-Supply Operation
`Patented Spread-Spectrum Modulator Reduces EMI
`2.8W, Class D, Stereo Speaker Amplifier (4)
`Filterless Class D Requires No LC Output Filter
`High PSRR (71dB at 1kHz)
`86% Efficiency (RL = 8, POUT = 1W)
`Low-Power Shutdown Mode
`Integrated Click-and-Pop Suppression
`Low Total Harmonic Distortion: 0.06% at 1kHz
`Short-Circuit and Thermal Protection
`Internal Gain, +9.0dB or +10.5dB
`Available in Space-Saving Packages 16-Pin Thin QFN-EP (5mm x 5mm x 0.8mm) 16-Pin TSSOP
`Patented Spread-Spectrum Modulator Reduces EMI
`2.8W, Class D, Stereo Speaker Amplifier (4)
`Filterless Class D Requires No LC Output Filter
`High PSRR (71dB at 1kHz)
`86% Efficiency (RL = 8, POUT = 1W)
`Low-Power Shutdown Mode
`Integrated Click-and-Pop Suppression
`Low Total Harmonic Distortion: 0.06% at 1kHz
`Short-Circuit and Thermal Protection
`Internal Gain, +9.0dB or +10.5dB
`Available in Space-Saving Packages 16-Pin Thin QFN-EP (5mm x 5mm x 0.8mm) 16-Pin TSSOP
MAX9715 Typical Application
·High-End Notebook Audio
·LCD Projectors
·Portable Audio
·Multimedia Docking Stations
·LCD Projectors
·Portable Audio
·Multimedia Docking Stations
MAX9715 Connection Diagram
MAX9715
PDF/DataSheet Download
- Datasheet: MAX9715
- File Size: 563533 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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