SOURCE: NXP Semiconductors
EINDHOVEN, THE NETHERLANDS--(Marketwire - Aug 28, 2012) - NXP Semiconductors N.V. (NASDAQ: NXPI) today announced the TDF8599C, a new automotive stereo Class-D amplifier which targets sound systems in premium cars where high power output and efficiency are required. The device offers a supply voltage range up to 48V. This enables extremely high output power and the flexibility for sound designers to drive high-ohmic load speakers. Such speakers can be lighter, smaller and more cost efficient, resulting in vibrant automotive sound for the best sensory experience in the car.
With its audiophile-quality sound, the extremely robust TDF8599C Class-D amplifier is specifically designed for automotive applications. The solution is energy efficient and environmentally friendly as it produces little waste heat. With potent 48V sound power, the amplifiers allow high supply voltages enabling designers to increase the impedance of the load speakers at high output power. High impedance of the speakers enables compact speaker design, saving weight and cable diameters.
Features and Benefits
- High efficiency
- Low quiescent current
- Operating voltage from 8 V to 48 V
- Two 8 Ω/6 Ω capable BTL channels or one 4 Ω/3 Ω capable BTL channel
- Differential inputs
- Fast-mode I²C-bus
- I²C-bus mode with 15 I²C-bus addresses or non-I²C-bus mode operation
- Clip detect
- Independent short-circuit protection for each channel
- Advanced short circuit protection for load, GND and supply
- Load dump protection
- Thermal foldback and thermal protection
- DC offset protection
- Selectable AD or BD modulation
- Advanced clocking:
- Switchable oscillator clock source: internal for Master mode or external for Slave mode
- PLL mode to synchronize with external oscillator
- Spread spectrum mode
- Phase staggering
- Frequency hopping
- No 'pop noise' caused by DC output offset voltage
- I²C-bus mode:
- Load diagnostics
Speaker load, open load and shorted load
Amplifier output to ground and to supply shorts
- Thermal pre-warning diagnostic level setting
- Identification of activated protections or warnings
- Selectable diagnostic information available using pins DIAG and CLIP
- Selectable gain 32 dB/26 dB (32 dB in non-I²C-bus mode)
- Qualified in accordance with AEC-Q100
The product is immediately available.
About NXP Semiconductors
NXP Semiconductors N.V. (NASDAQ: NXPI) provides High Performance Mixed Signal and Standard Product solutions that leverage its leading RF, Analog, Power Management, Interface, Security and Digital Processing expertise. These innovations are used in a wide range of automotive, identification, wireless infrastructure, lighting, industrial, mobile, consumer and computing applications. A global semiconductor company with operations in more than 25 countries, NXP posted revenue of $4.2 billion in 2011. Additional information can be found by visiting www.nxp.com.
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