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Specifications
Part NumberMAX98357A
ManufacturerMaxim Integrated
TypeI²S Digital Audio Amplifier
Output Power3.2 W at 4Ω / 1.8W at 8Ω
InputI2S digital audio
SNR77 dB
THD+N0.015%
PackageTDFN-16 (3×3mm)
Supply Voltage2.5–5.5 V
Operating Temp−40°C to +85°C
RoHSYes
VDD2.5–5.5 V
Output power3W
SNR77 dB
Efficiency~90% class-D
Standby11 µA
I2SStandard I²S serial audio
SD_MODEShutdown / gain select
GAIN3-level gain select
Part NumberMAX98357A
Orderable Qty1 pcs – 10,000+ pcs
Price (1–9 pcs)Contact for quote
Price (10–99 pcs)Contact for quote
Price (100–499 pcs)Contact for quote
Price (500+ pcs)Best pricing available
Lead Time (stock)3–7 business days
PackagingTray / Tape & Reel (T&R)
Export ControlEAR99 (No license required)
Product Description

The MAX98357A is a 3W I2S Class-D Amplifier · 5V · TDFN-16 · Drone Speaker IC from Maxim/Analog, widely used in UAV and drone applications.

This component is a popular choice among drone engineers for its reliability, performance, and industry ecosystem support. UAVCHIP maintains stock of MAX98357A for rapid global fulfillment.

Key Features

  • Part Number: MAX98357A
  • Manufacturer: Maxim Integrated
  • Type: I²S Digital Audio Amplifier
  • Output Power: 3.2 W at 4Ω / 1.8W at 8Ω
  • Input: I2S digital audio
  • SNR: 77 dB
UAV Applications
Drone Alert
Audio alarm for delivery drone landing/beeping
RC TX
Speaker in RC transmitter for telemetry voice alerts
Companion App
Voice notification from onboard companion computer
Industrial UAV
External loudspeaker for inspection/security drone
Similar Products (Power Management IC)

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