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Product Detailed Parameters
- Description：IC AMPLIFIER CLASS D 100HLQFP
- Series：TDF
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：80W x 4 @ 2Ohm
- Voltage - Supply：5.5V ~ 25V
- Features：-
- Mounting Type：Surface Mount
- Supplier Device Package：100-HLQFP (14x14)
- Package / Case：100-FQFP Exposed Pad
- Operating Temperature：-
- Grade：-
- Qualification：-
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Overview
The TDF8532HH/N2/S710Y is a four-channel Class-D audio amplifier from the NXP TDF853x family, designed for automotive applications. It delivers up to 4 x 80 W into 4 Ω loads with operation voltages ranging from 5.5 V to 25 V. The device features a single digital-feedback loop and supports TDM/I²S digital inputs. Key specifications include 0.02% THD+N, selectable clip detection, and comprehensive protection mechanisms such as load dump and thermal fold-back.
Feature Summary
- Single digital-feedback loop architecture reduces system cost while maintaining high audio quality
- Supports parallel mode to combine two BTL channels for driving 1 Ω loads
- Comprehensive diagnostic capabilities including startup checks, supply voltage feedback, and DC output offset monitoring
- Robust protection features including independent output current thresholds and load dump protection
Applications
- Automotive head-unit radios
- Vehicle sound systems
- Engine sound design in electric vehicles
- Active noise-cancellation systems
Procurement Notes
Verify the specific ordering suffix S710Y against official manufacturer documentation to confirm packaging and reel specifications. Ensure compatibility with AEC-Q100 requirements for your target automotive environment. Consult the latest datasheet for any updates on availability or lifecycle status.
Selection Notes
Select this part for designs requiring four independent channels with high power output up to 80 W per channel. Consider the TDF8532HH if 25 V operation is needed; otherwise, the TDF8532BHH offers an 18 V limit. Evaluate the need for interleaved modes or specific diagnostic pin configurations based on board layout constraints.
Part Context
This component belongs to the NXP TDF853x series of ultra-performance Class-D amplifiers. The series includes variants with three, four, or five channels, supporting various supply voltages up to 45 V. These devices are engineered to provide seamless audio experiences in vehicles with stop-start capabilities.
Replacement Considerations
Official substitutes within the TDF853x family include the TDF8531HH (three channels) and TDF8534HH (five channels). For lower voltage applications, the TDF8532BHH is an alternative. Verify pinout and feature parity before substitution.
FAQ
What is the maximum supply voltage for the TDF8532HH?
The TDF8532HH supports an operation voltage range from 5.5 V to 25 V.
Does the TDF8532HH support driving low impedance loads?
Yes, two BTL channels can be combined to drive a 1 Ω load using the parallel mode feature.
What type of digital input does the TDF8532HH accept?
The device accepts digital input in TDM or I²S format to facilitate easy board layout.
