MAX98502EWE+T by Analog Devices

Boosted 2.2W Class D Amplifier with Automatic Level Control


The MAX98502 is a high-efficiency, Class D audio amplifier that features an integrated boost converter to deliver a constant output power over a wide range of battery supply voltages. The boost converter operates at 2MHz, requiring only a small (2.2µH) external inductor and capacitor. The automatic level control has a battery tracking function that reduces the output swing as the supply voltage drops, preventing collapse of battery voltage. The amplifier has differential inputs and an internal fully differential design. The MAX98502 also features three gain settings (6dB, 15.5dB, and 20dB) that are selectable with a logic input. The MAX98502 is available in a small, 0.5mm pitch 16-bump WLP package (2.1mm x 2.1mm). It is specified over the extended -40°C to +85°C temperature range.

Where to Buy

Prices starting from US$1.66

Distributor Stock
Logo for Newark
Newark Electronics
from US$1.66
1,672
in stock
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Logo for element14 Singapore
element14
from US$1.85
1,672
in stock
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Logo for Farnell UK
Farnell
from US$1.76
1,672
in stock
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Features

Boosted Class D Output
Integrated Automatic Level Control
Output Power 2.2W into 8Ω, 10% THD+N 1.7W into 8Ω, 1% THD+N 4.1W into 4Ω, 10% THD+N 3.4W into 4Ω, 1% THD+N
2.2W into 8Ω, 10% THD+N
1.7W into 8Ω, 1% THD+N
4.1W into 4Ω, 10% THD+N
3.4W into 4Ω, 1% THD+N
Wide 2.5V to 5.5V Supply Voltage Range
Undervoltage Lockout Protection
High Total Efficiency of 87%
High Step-Up Switching Frequency (2MHz)
Active Emission Limiting for Low EMI

Specifications

# Channels 1
Class D
Spkr. Amp. VCC (V) (min) 2.5
Spkr. Amp. VCC (V) (max) 5.5
Spkr. Amp. ICC (mA) (typ) 3.7
POUT into 4Ω @ 1% THD+N (W) (min) 3.4
POUT into 4Ω @ 10% THD+N (W) (min) 4.1
POUT into 8Ω @ 1% THD+N (W) (min) 1.7
POUT into 8Ω @ 10% THD+N (W) (min) 2.2
Spkr. Amp. Half Pwr. THD+N (%) 0.04
SNR (dB) (A- Weighted) 102
PSRR (dB) (min) 95
Package/Pins WLP/16
BudgetaryPrice (See Notes) 0.88

Last 6 months Inventory & Pricing History



MAX98502EWE+T Maxim Integrated Parts by Analog Devices

AUDIO POWER AMP D -40 TO 85DEG C

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

Specifications

Amplifier Class D
No. of Channels 1 Channel
Output Power 2.2W
Supply Voltage Range 2.5V to 5.5V
Amplifier Case Style WLP
No. of Pins 16Pins
Load Impedance 8ohm
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)

Last 6 months Inventory & Pricing History


Alternative Descriptions

Audio Power Amp, D, -40 To 85Deg C | Newark Electronics
AUDIO POWER AMP, D, -40 TO 85DEG C | element14

Frequently Asked Questions

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Is the MAX98502EWE+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX98502EWE+T have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX98502EWE+T .

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