MAX98390EWX+ by Analog Devices

Boosted Class-D Amplifier with Integrated Dynamic Speaker Management

Status: Active
Series: MAX98390
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
Key Applications General Description The MAX98390 is a high-efficiency mono Class-D DSM smart amplifier that features an integrated boost converter, integrated Dynamic Speaker ManagementTM, and FET scaling for higher-efficiency at low output power. The maximum boost converter output voltage is programmable from 6.5V to 10V in 0.125V increments from a battery voltage as low as 2.65V. The boost converter supports bypass mode for lower quiescent current and improved mid-power efficiency as well as envelope tracking which automatically adjusts the output voltage for maximum efficiency. The boosted supply efficiently delivers up to 6.2W at 10% THD+N into a 4Ω load. Integrated IV sense and Dynamic Speaker Management allows louder, fuller audio while protecting the speaker against damage and improving sound quality. The PCM interface supports I2S, left-justified, and 16-channel TDM formats as a slave or master device with I2C control. Either BCLK or MCLK can be used as the internal clock source providing system level flexibility. Thermal and other status data can also be read from the I2C interface. Patented active emissions limiting edge rate and overshoot control circuitry minimizes EMI and eliminates the need for output filtering found in traditional Class-D devices. A flexible brownout-detection engine (BDE) can be programmed to initiate various current limiting, signal limiting, and clip functions to prevent dips in battery voltage. Threshold, hysteresis, and attack-and-release rates are programmable. The MAX98390C is available in a 0.4mm pitch, 36-bump wafer-level package. The MAX98390D is available in a 0.5mm pitch, 30-bump wafer-level package. They are specified over the extended -40°C to +85°C temperature range.

Where to Buy

Prices starting from US$2.41

Distributor Stock
Logo for Rochester Electronics
Rochester Electronics
from US$3.40
2,197
in stock
 Buy Now
Logo for Farnell UK
Farnell
from US$2.41
0
in stock
 Buy Now
Buy Now

Features

Integrated Speaker Current and Voltage Sense Requires no External Components
Integrated Programmable 10V Boost Converter Bypass Mode Envelope Tracking
Bypass Mode
Envelope Tracking
Integrated Dynamic Speaker Management Thermal Protection Excursion Protection Low-Frequency Extension 8-Band Parametric Equalizer Dynamic Range Compression Perceptual Power Reduction Debuzzer Stereo Bass Management
Thermal Protection
Excursion Protection
Low-Frequency Extension
8-Band Parametric Equalizer
Dynamic Range Compression
Perceptual Power Reduction
Debuzzer
Stereo Bass Management
Ultra-Low Noise Floor 10μV Output Noise 116dB Dynamic Range
10μV Output Noise
116dB Dynamic Range
Low Distortion—0.01% THD+N
Output Power at 1% THD+N, VVBAT = 4.3V 5.1W into 8Ω 5.1W into 4Ω
5.1W into 8Ω
5.1W into 4Ω
Output Power at 10% THD+N, VVBAT = 4.3V 6.2W into 8Ω 6.2W into 4Ω
6.2W into 8Ω
6.2W into 4Ω
System Efficiency 82% at 1.2W into 8Ω, VVBAT = 3.7V 86% at 0.45W into 8Ω, VVBAT = 3.7V
82% at 1.2W into 8Ω, VVBAT = 3.7V
86% at 0.45W into 8Ω, VVBAT = 3.7V
Dynamic Speaker Output FET Scaling
2.65V to 5.5V Battery Voltage Range
I2S/16-Channel TDM and I2C Interfaces
Class-D Edge Rate Control Enables Filterless Operation
Advanced Brownout-Protection Engine
Extensive Click-and-Pop Suppression
Robust Short-Circuit and Thermal Protection
Space-Saving, 30-Bump WLP Package (2.468mm x 2.968mm, 0.5mm Pitch) or 36-Bump WLP Package (2.418mm x 2.608mm, 0.4mm Pitch)

Specifications

# Channels 1
Class Boosted/DBoosted/GDDG
Spkr. Amp. VCC (V) (min) 2.6
Spkr. Amp. VCC (V) (max) 5.5
Spkr. Amp. ICC (mA) (typ) 2.5
POUT into 4Ω @ 1% THD+N (W) (min) 4.9
POUT into 4Ω @ 10% THD+N (W) (min) 6.1
POUT into 8Ω @ 1% THD+N (W) (min) 5.1
POUT into 8Ω @ 10% THD+N (W) (min) 6.1
Spkr. Amp. Half Pwr. THD+N (%) 0.01
SNR (dB) (A- Weighted) 117
PSRR (dB) (min) 113
Package/Pins WLP/30WLP/36
BudgetaryPrice (See Notes) 2.07

Last 6 months Inventory & Pricing History

MAX98390EWX+ Amplifiers & Comparators by Analog Devices

AUDIO POWER AMP, D, -40 TO 85DEG C

Semiconductors - ICs
> Amplifiers & Comparators
> Audio Amplifiers
Status: Unknown
Series: -
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Power 6.2W
Amplifier Class D
No. of Channels 1 Channel
Supply Voltage Range 2.65V to 5.5V
No. of Pins 36Pins
Load Impedance 8ohm
Operating Temperature Min -40°C
RoHS Compliant Yes

Last 6 months Inventory & Pricing History

Frequently Asked Questions

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Is the MAX98390EWX+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Rochester Electronics and Farnell have stock available or on a lead time for MAX98390EWX+ .

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