Integrated Circuits (ICs)

MAX9724BETC+T

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Analog Devices Inc./Maxim Integrated

60MW, DIRECTDRIVE, STEREO HEADPHONE AMPLIFIER WITH LOW RF SUSCEPTIBILITY AND SHUTDOWN

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DocumentsDatasheet MAX9724B Reliability Data +2

Integrated Circuits (ICs)

MAX9724BETC+T

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Analog Devices Inc./Maxim Integrated

60MW, DIRECTDRIVE, STEREO HEADPHONE AMPLIFIER WITH LOW RF SUSCEPTIBILITY AND SHUTDOWN

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DocumentsDatasheet MAX9724B Reliability Data +2

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX9724BETC+T

Features	Depop, Shutdown, Short-Circuit and Thermal Protection
Max Output Power x Channels @ Load [custom]	32 Ohm
Max Output Power x Channels @ Load [custom]	63 mW
Max Output Power x Channels @ Load [custom]	2
Mounting Type	Surface Mount
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Output Type	Headphones, 2-Channel (Stereo)
Package / Case	12-WFQFN Exposed Pad
Supplier Device Package	12-TQFN (3x3)
Type	Class AB
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.7 V

MAX9724 Series

60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown

Part	Operating Temperature [Max]	Operating Temperature [Min]	Type	Output Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Mounting Type	Max Output Power x Channels @ Load [custom]	Max Output Power x Channels @ Load [custom]	Max Output Power x Channels @ Load [custom]	Supplier Device Package	Package / Case	Features	Package / Case [x]	Max Output Power x Channels @ Load [custom]	Max Output Power x Channels @ Load [custom]
Analog Devices Inc./Maxim Integrated MAX9724AETC+T	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount	32 Ohm	63 mW	2	12-TQFN (3x3)	12-WFQFN Exposed Pad	Depop Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9724CETC+	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.5 V	Surface Mount	32 Ohm	63 mW	2	12-TQFN (3x3)	12-WFQFN Exposed Pad	Depop Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9724DETC+	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.5 V	Surface Mount	32 Ohm	63 mW	2	12-TQFN (3x3)	12-WFQFN Exposed Pad	Depop Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9724BEUD+T	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount				14-TSSOP	14-TSSOP	Depop Short-Circuit and Thermal Protection Shutdown	0.173 " 4.4 mm	2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724AEBC+T	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount				12-UCSP	12-WFBGA CSPBGA	Depop Short-Circuit and Thermal Protection Shutdown		2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724AEUD+T	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount				14-TSSOP	14-TSSOP	Depop Short-Circuit and Thermal Protection Shutdown	0.173 " 4.4 mm	2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724DEBC+TG45	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.5 V	Surface Mount				12-UCSP	12-WFBGA CSPBGA	Depop Short-Circuit and Thermal Protection Shutdown		2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724AEUD+	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount				14-TSSOP	14-TSSOP	Depop Short-Circuit and Thermal Protection Shutdown	0.173 " 4.4 mm	2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724BEBC+TG45	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount				12-UCSP	12-WFBGA CSPBGA	Depop Short-Circuit and Thermal Protection Shutdown		2	45 mW
Analog Devices Inc./Maxim Integrated MAX9724BETC+T	85 C	-40 ¯C	Class AB	Headphones 2-Channel (Stereo)	5.5 V	2.7 V	Surface Mount	32 Ohm	63 mW	2	12-TQFN (3x3)	12-WFQFN Exposed Pad	Depop Short-Circuit and Thermal Protection Shutdown

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 0.85
		5000	$ 0.80
		7500	$ 0.78
		12500	$ 0.75

Description

General part information

MAX9724 Series

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.ApplicationsCellular PhonesDVD PlayersHandheld Gaming ConsolesMP3 PlayersNotebook PCsPDAsSmartphones

Documents

Technical documentation and resources

Datasheet

MAX9724BETC+T

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MAX9724BETC+T

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Technical Specifications

MAX9724 Series

Pricing

Description

MAX9724 Series

Documents

Datasheet

MAX9724B Reliability Data

Package Drawing - 12-LFCSP-3X3X0.75

MAX9724 Reliability Data

MAX9724 Series