Overview
The NXP TDF8532HH/N3Y is a member of the TDF853x family of ultra-efficient Class-D amplifiers designed to provide a seamless audio experience, particularly in automotive applications. These amplifiers are known for their high sound quality and cost-effectiveness, making them ideal for use in various automotive sound systems and active noise-cancellation systems. The TDF8532HH/N3Y model specifically features four channels, each capable of delivering up to 80 watts of power at a 2 Ω load.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Supply Voltage | 5.5 V to 25 V |
| Max Output Power per Channel | 80 W @ 2 Ω |
| Total Harmonic Distortion + Noise (THD+N) | 0.02 % |
| Noise Floor | 26 µV |
| Idle Power Dissipation | 2.8 W |
| Package Type | 100-HLQFP Exposed Pad |
| Operating Temperature | -40°C to 85°C |
| Compliance | AEC-Q100 |
Key Features
- Three, four, or five 2 or 4 Ω load Class-D BTL channels (TDF8532HH/N3Y has four channels)
- Two BTL channels can combine to drive 1 Ω loads
- Feedback after low-pass filter for lower BOM cost and better audio quality
- Digital input in TDM/I²S format for easy board layout
- Line-driver mode to drive an external amplifier via direct loudspeaker cable
- Diagnostic features including startup diagnostic, supply voltage feedback, selectable clip detection, and IEEE 1194.1-compliant board-level boundary scan
- Protection features such as independent output current per channel, load dump protection (50 V), over- and undervoltage protection, thermal fold-back, and thermal protection
- Optional interleaved power stages for improved EMC and reduced output-filter cost/complexity
Applications
- Automotive head-unit radios
- Automotive sound systems
- Automotive-engine sound design
- Active noise-cancellation systems
- Generation of ambient and/or engine sounds in electric vehicles
Q & A
- What is the TDF8532HH/N3Y used for? The TDF8532HH/N3Y is used in automotive applications to provide high-quality audio in head-unit radios, sound systems, and active noise-cancellation systems.
- How many channels does the TDF8532HH/N3Y have? The TDF8532HH/N3Y has four channels.
- What is the maximum output power per channel of the TDF8532HH/N3Y? Each channel can deliver up to 80 watts at a 2 Ω load.
- What is the supply voltage range for the TDF8532HH/N3Y? The supply voltage range is from 5.5 V to 25 V.
- Does the TDF8532HH/N3Y support interleaved power stages? Yes, it supports interleaved power stages for improved EMC and reduced output-filter cost/complexity.
- What diagnostic features does the TDF8532HH/N3Y have? It includes startup diagnostic, supply voltage feedback, selectable clip detection, and IEEE 1194.1-compliant board-level boundary scan.
- What kind of protection does the TDF8532HH/N3Y offer? It offers independent output current per channel, load dump protection (50 V), over- and undervoltage protection, thermal fold-back, and thermal protection.
- Is the TDF8532HH/N3Y compliant with any automotive standards? Yes, it is compliant with AEC-Q100.
- What is the operating temperature range of the TDF8532HH/N3Y? The operating temperature range is from -40°C to 85°C.
- What package type does the TDF8532HH/N3Y come in? It comes in a 100-HLQFP Exposed Pad package.
