MAX9710, MAX9711 3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown

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3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown Feature Industry-Leading PSRR

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The MAX9710/MAX9711 are stereo/mono 3W bridge-tied load (BTL) audio power amplifiers. These devices are PC99/01 compliant, operate from a single 4.5V to 5.5V supply, and feature an industry-leading 100dB PSRR, which allows these devices to operate from noisy supplies without additional, costly power-supply conditioning. An ultra-low 0.005% THD+N ensures clean, low-distortion amplification of the audio signal while patented click-and-pop suppression eliminates audible transients on power and shutdown cycles. Power-saving features include low 2mV V_OS (minimizing DC current drain through the speakers), low 7mA supply current, and a 0.5µA shutdown mode. A MUTE function allows the outputs to be quickly enabled or disabled.

These devices include thermal overload protection, are specified over the extended -40°C to +85°C temperature range, and are supplied in thermally efficient packages. The MAX9710 is available in either a 20-pin thin QFN package (5mm x 5mm x 0.8mm) or a 16-pin TSSOP-EP package. The MAX9711 is available in a 12-pin thin QFN package (4mm x 4mm x 0.8mm).

Key Features Applications/Uses

3W into 3Ω (1% THD+N)
4W into 3Ω (10% THD+N)
Industry-Leading, Ultra-High 100dB PSRR
PC99/01 Compliant
Patented Click-and-Pop Suppression
Low 0.005% THD+N
Low Quiescent Current: 7mA
Low-Power Shutdown Mode: 0.5µA
MUTE Function
Tiny 20-Pin Thin QFN (5mm x 5mm x 0.8mm) and 16-Pin TSSOP-EP Packages

Flat-Panel PC Displays
Flat-Panel TVs
General-Purpose Audio
Notebook Computers
Powered Speakers
Two-Way Radios

Key Specifications: Speaker Amplifiers

Part Number

Class

Speaker Amp. V_CC (min) (V)

Speaker Amp. V_CC (max) (V)

Speaker Amp. I_CC (typ) (mA)

P_OUT into 4Ω @ 1% THD+N (W)

P_OUT into 4Ω @ 10% THD+N (W)

P_OUT into 8Ω @ 1% THD+N (W)

P_OUT into 8Ω @ 10% THD+N (W)

Speaker Amp. Half Pwr. THD+N (%)

SNR, A-weighted (dB)

PSRR (db)

Speaker Amp. External Gain

Number of Channels

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX9710

4.5

5.5

2.6

1.5

1.8

0.015

100

Yes

THIN QFN/20

$0.90 @ 1k

MAX9711

THIN QFN/12

$0.65 @ 1k

See All Speaker Amplifiers (29)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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Document Ref.: 19-2841; Rev 0; 2003-05-29
This page last modified: 2008-03-14