MAX9768BETG+ by Analog Devices

10W Mono Class D Speaker Amplifier with Volume Control


The MAX9768 mono 10W Class D speaker amplifier provides high-quality, efficient audio power with an integrated volume control function. The MAX9768 features a 64-step dual-mode (analog or digitally programmable) volume control and mute function. The audio amplifier operates from a 4.5V to 14V single supply and can deliver up to 10W into an 8Ω speaker with a 14V supply. A selectable spread-spectrum mode reduces EMI-radiated emissions, allowing the device to pass EMC testing with ferrite bead filters and cable lengths up to 1m. The MAX9768 can be synchronized to an external clock, allowing synchronization of multiple Class D amplifiers. The MAX9768 features high 77dB PSRR, low 0.08% THD+N, and SNR up to 97dB. Robust short-circuit and thermal-overload protection prevent device damage during a fault condition. The MAX9768 is available in a 24-pin thin QFN-EP (4mm x 4mm x 0.8mm) package and is specified over the extended -40°C to +85°C temperature range.

Where to Buy

Prices starting from US$1.56

Distributor Stock
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Farnell
from US$1.75
140
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Analog Devices
from US$1.56
821
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Newark Electronics
from US$2.40
140
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element14
from US$1.84
140
in stock
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Features

10W Output (8Ω, PVDD = 14V, THD+N = 10%)
Spread-Spectrum Modulation
Meets EN55022B EMC with Ferrite Bead Filters
Amplifier Operation from 4.5V to 14V Supply
64-Step Integrated Volume Control (I²C or Analog)
Low 0.08% THD+N (RL = 8Ω, POUT = 6W)
High 77dB PSRR
Two tON Times Offered MAX9768—220ms MAX9768B—15ms
MAX9768—220ms
MAX9768B—15ms
Low-Power Shutdown Mode (0.5µA)
Short-Circuit and Thermal-Overload Protection

Specifications

# Channels 1
Class D
Spkr. Amp. VCC (V) (min) 4.5
Spkr. Amp. VCC (V) (max) 14
Spkr. Amp. ICC (mA) (typ) 11
POUT into 8Ω @ 1% THD+N (W) (min) 8
POUT into 8Ω @ 10% THD+N (W) (min) 10
Spkr. Amp. Half Pwr. THD+N (%) 0.09
SNR (dB) (A- Weighted) 97
PSRR (dB) (min) 84
Package/Pins TQFN/24
BudgetaryPrice (See Notes) 1.34


MAX9768BETG+ Amplifiers & Comparators by Analog Devices

AUDIO POWER AMP CLASS D 24TQFN

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Amplifier Class D
No. of Channels 1 Channel, 1Channels
Output Power 10W
Supply Voltage Range 4.5V to 14V
Amplifier Case Style TQFN
No. of Pins 24Pins
Load Impedance 8ohm
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Amplifer Supply Voltage 4.5V to 14V
Audio Power Amplifier Type Class D
Current Iqc Max 14.2mA
Current Iqc Typ 7mA
Operating Temperature Range -40°C to +85°C
Output Power (Pout) 10W
Supply Voltage + Nom 16V
Supply Voltage Max 14V
Supply Voltage Min 4.5V
THD + N 0.08% @ 5W 8ohm VDD=3.3V
Termination Type Surface Mount Device

Alternative Descriptions

10W Mono Class D Speaker Ampli | Analog Devices
Audio Power Amplifier, Class D, Tqfn-24 | Newark Electronics
AUDIO POWER AMP, CLASS D, 24TQFN | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX9768BETG+ ?

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Is the MAX9768BETG+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX9768BETG+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX9768BETG+ .

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