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Data Sheet

FULL DATA SHEET (PDF, 452kB) Download   E-Mail

Description

MAX9755 Receives EDN China 2005 Innovation Award The MAX9750/MAX9751/MAX9755 combine a stereo, 2.6W audio power amplifier and stereo DirectDrive 110mW headphone amplifier in a single device. The headphone amplifier uses 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. A high 90dB PSRR and low 0.01% THD+N ensures clean, low-distortion amplification of the audio signal. The MAX9750 features an analog volume control, and a BEEP input. The MAX9751 features a 2:1 input multiplexer, allowing multiple audio sources to be selected. All devices feature a single-supply voltage, a shutdown mode, logic-selectable gain, and a headphone sense input. Industry-leading click-and-pop suppression eliminates audible transients during power and shutdown cycles. The MAX9750/MAX9751/MAX9755 are offered in a space-saving, thermally efficient 28-pin thin QFN (5mm x 5mm x 0.8mm) package. Those devices have thermal-overload and output short-circuit protection, and are specified over the extended -40°C to +85°C temperature range.

Key Features		Applications/Uses
No DC-Blocking Capacitors Required—Provides Industry's Most Compact Notebook Audio Solution PC2001 Compliant 5V Single-Supply Operation Class AB 2.6W Stereo BTL Speaker Amplifiers 110mW DirectDrive Headphone Amplifiers High 90dB PSRR Low-Power Shutdown Mode Industry-Leading Click-and-Pop Suppression Low 0.01% THD+N at 1kHz Short-Circuit and Thermal Protection Selectable Gain Settings Analog Volume Control (MAX9750) BEEP Input with Glitch Filter (MAX9750) 2:1 Stereo Input MUX (MAX9751) ±8kV ESD-Protected Headphone Driver Outputs Available in Space-Saving, Thermally Efficient 28-Pin Thin QFN (5mm x 5mm x 0.8mm) Package		Flat-Panel TVs LCD Projectors Notebook PCs PC Displays Portable DVD Players Tablet PCs

†U.S. Patent # 7,061,327

Application Notes

Application Note 3660: PCB Layout Techniques to Achieve RF Immunity for Audio Amplifiers - MAX9750 Application Note 3687: Quantitative Analysis Yields Objective Measurement for Audio Amplifier Click and Pop - MAX9750 Application Note 3977: Class D Amplifiers: Fundamentals of Operation and Recent Developments - MAX9755

Evaluation Kits

MAX9750AEVKIT

Design Guides

AMPLIFIERS/COMPARATORS (PDF)

Reliability Reports

Show FIT data for: MAX9750 MAX9751 MAX9755 Request Reliability Report for: MAX9750 MAX9751 MAX9755

Software/Models

none

Ordering Information
Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
Devices: 1-13 of 13
MAX9750	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX9750BETI+T			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750BETI+			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750CETI+T			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750CETI+			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750AETI+T			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750AETI+			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9750BETI-T				-40°C to +85°C	See data sheet
MAX9750BETI			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N-1*	-40°C to +85°C	See data sheet Materials Analysis
MAX9750CETI+C2U			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9751	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX9751ETI+			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9751ETI+T			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9755	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX9755ETI+			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX9755ETI+T			THIN QFN;28 pin; Dwg: 21-0140 (PDF) Use pkgcode/variation: T2855N+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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New Product Press Release 2004-03-02

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