Specification	MAX9722BETE+T

Features	Short-Circuit and Thermal Protection, Depop, Differential Inputs, Shutdown
Max Output Power x Channels @ Load [custom]	130 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	16-WFQFN Exposed Pad
Supplier Device Package	16-TQFN (3x3)
Type	Class AB
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.4 V

MAX9722 Series

5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown

Part	Package / Case	Output Type	Max Output Power x Channels @ Load [custom]	Max Output Power x Channels @ Load [custom]	Type	Supplier Device Package	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Features	Package / Case [y]	Package / Case [y]	Supplied Contents	Board Type	Utilized IC / Part	Amplifier Type	Contents
Analog Devices Inc./Maxim Integrated MAX9722AETE+G	16-WFQFN Exposed Pad	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TQFN (3x3)	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9722BEUE+T	16-TSSOP	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TSSOP	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated MAX9722AETE+T	16-WFQFN Exposed Pad	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TQFN (3x3)	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9722BEUE+	16-TSSOP	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TSSOP	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated MAX9722AEUE+T	16-TSSOP	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TSSOP	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated MAX9722BETE+T	16-WFQFN Exposed Pad	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TQFN (3x3)	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9722AETE+TG47	16-WFQFN Exposed Pad	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TQFN (3x3)	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown
Analog Devices Inc./Maxim Integrated MAX9722AEVKIT		Headphones 2-Channel (Stereo)	130 mW	2						5.5 V	2.4 V				Board(s)	Fully Populated	MAX9722A	Class AB	Board(s)
Analog Devices Inc./Maxim Integrated MAX9722AEUE+	16-TSSOP	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TSSOP	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs Short-Circuit and Thermal Protection Shutdown	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated MAX9722AETE+	16-WFQFN Exposed Pad	Headphones 2-Channel (Stereo)	130 mW	2	Class AB	16-TQFN (3x3)	Surface Mount	85 C	-40 ¯C	5.5 V	2.4 V	Depop Differential Inputs 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	Cut Tape (CT)	1	$ 3.37
	Digi-Reel®	1	$ 3.37
	Tape & Reel (TR)	2500	$ 1.11
		5000	$ 1.05
		7500	$ 1.02

Description

General part information

MAX9722 Series

The MAX9722A/MAX9722B stereo headphone amplifiers are designed for portable equipment where board space is at a premium. The MAX9722A/MAX9722B use a unique DirectDrive® architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, which saves cost, board space, and component height. Additionally, the gain of the amplifier is set internally (-2V/V, MAX9722B) or adjusted externally (MAX9722A). The MAX9722A/MAX9722B deliver up to 70mW per channel into a 16Ω load or 130mW into a 32Ω load and have low 0.009% THD+N. An 80dB at 217Hz power-supply rejection ratio (PSRR) allows these devices to operate from noisy digital supplies without an additional linear regulator. The MAX9722A/MAX9722B include ±8kV ESD protection on the headphone outputs. Comprehensive anticlick-and-pop circuitry suppresses audible clicks and pops on startup and shutdown. A low-power shutdown mode reduces the supply current to 0.1µA.The MAX9722A/MAX9722B operate from a single 2.4V to 5.5V supply, consume only 5.5mA 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 16-pin thin QFN (3mm x 3mm x 0.8mm) and 16-pin TSSOP packages.ApplicationsCell PhonesFlat-Panel MonitorsMP3 PlayersNotebook and Desktop PCsPDAsPortable Audio EquipmentSmartphones