Infineon, 1-Channel Digital Amplifier, 22-Pin, 90W PQFN

Subtotal (1 reel of 4000 units)*

£4,576.00

(exc. VAT)

£5,492.00

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 13 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
4000 +£1.144£4,576.00

*price indicative

RS Stock No.:
222-4952
Mfr. Part No.:
IR4321MTRPBF
Brand:
Infineon
Find similar products by selecting one or more attributes.
Select all

Brand

Infineon

Product Type

Audio Amplifier IC

Amplifier Type

Digital Amplifier

Output Power

90W

Application

Speaker

Mount Type

Surface

Amplifier Class

Class D

Number of Channels

1

Package Type

PQFN

Pin Count

22

Minimum Operating Temperature

-55°C

GBP - Gain Bandwidth Product

9MHz

Width

6 mm

Standards/Approvals

No

Height

1mm

Length

5mm

Series

IR4321

Minimum Supply Voltage

25V

Maximum Supply Voltage

50V

Automotive Standard

No

Maximum Operating Temperature

150°C

The Infineon integrated digital audio amplifier.

Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package

High peak music power output

No mechanical heatsink required

Split or single power supply

Differential or single-ended input

Related links