Overview
The NXP TDF8534HH/N2/S710Y is a member of the TDF853x family of ultra-efficient Class-D amplifiers designed to deliver high-quality audio in various automotive applications. These amplifiers are optimized for use in vehicles that support 5.5 V stop-start requirements, ensuring a seamless audio experience. The TDF8534HH model specifically features five channels, making it ideal for automotive head-unit radios, sound systems, and engine sound design in electric vehicles.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Class-D Amplifier |
| Number of Channels | 5 |
| Supply Voltage | 5.5 V to 25 V |
| Max Output Power per Channel @ Load | 80 W @ 4 Ω |
| Total Harmonic Distortion + Noise (THD+N) | 0.005% |
| Noise Level | 26 µV |
| Idle Power Dissipation | 3.5 W |
| Operating Temperature | -40°C to 85°C |
| Package Type | 100-HLQFP |
Key Features
- Three, four, or five 2 or 4 Ω load Class-D BTL channels, with the ability for two BTL channels to combine and drive a 1 Ω load.
- 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.
- Compliance with AEC-Q100 quality standards.
- Diagnostic features including startup diagnostic for AC and DC coupled loads, supply voltage feedback with 8-bit resolution, selectable clip detection, and diagnostic information on DIAG pins.
- Protection features such as independent output current per channel with selectable thresholds, 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, particularly in electric vehicles for generating ambient and/or engine sounds.
- Active noise-cancellation systems.
Q & A
- What is the TDF8534HH/N2/S710Y used for? The TDF8534HH/N2/S710Y is used for delivering high-quality audio in automotive applications, including head-unit radios, sound systems, and engine sound design.
- How many channels does the TDF8534HH/N2/S710Y have? The TDF8534HH/N2/S710Y has five Class-D BTL channels.
- What is the supply voltage range for the TDF8534HH/N2/S710Y? The supply voltage range is from 5.5 V to 25 V.
- What is the maximum output power per channel? The maximum output power per channel is 80 W at 4 Ω load.
- Does the TDF8534HH/N2/S710Y support AEC-Q100 quality standards? Yes, it is compliant with AEC-Q100 quality standards.
- What diagnostic features does the TDF8534HH/N2/S710Y offer? It offers startup diagnostic for AC and DC coupled loads, supply voltage feedback, selectable clip detection, and diagnostic information on DIAG pins.
- What protection features are included in the TDF8534HH/N2/S710Y? It includes independent output current per channel, load dump protection, over- and undervoltage protection, thermal fold-back, and thermal protection.
- Can the TDF8534HH/N2/S710Y be used in active noise-cancellation systems? Yes, it is suitable for use in active noise-cancellation systems.
- What is the operating temperature range of the TDF8534HH/N2/S710Y? The operating temperature range is from -40°C to 85°C.
- What package type does the TDF8534HH/N2/S710Y come in? It comes in a 100-HLQFP package.
