TAS5612A系列介绍资料

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TAS5612A

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125W 立体声、250W 单声道、16V 至 34.1V 电源电压、PWM 输入 D 级音频放大器

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The TAS5612A is a high performance digital input Class D amplifier with integrated closed loop feedback technology (known as PurePath™ HD) with the ability to drive up to 125W Achievable output power levels are dependent on the thermal configuration of the target application. A high performance thermal interface material between the package exposed heatslug and the heat sink should be used to achieve high output power levels. Stereo into 4 to 8 Ω Speakers from a single 32.5V supply.

PurePath™ HD technology enables traditional AB-Amplifier performance (<0.03% THD) levels while providing the power efficiency of traditional class D amplifiers.

Unlike traditional Class D amplifiers, the distortion curve only increases once the output levels move into clipping.

PurePath™ HD technology enables lower idle losses making the device even more efficient.

PurePath™ HD Enabled Integrated Feedback Provides:
- Signal Bandwidth up to 80kHz for High Frequency Content From HD Sources
- Ultralow 0.03% THD at 1W into 4Ω
- Ultralow 0.01% THD at 1W into 8Ω
- Flat THD at all Frequencies for Natural Sound
- 80dB PSRR (BTL, No Input Signal)
- >100dB (A weighted) SNR
- Click and Pop Free Startup
Pin compatible with TAS5631, TAS5616 and TAS5614
Multiple Configurations Possible on the Same PCB With Stuffing Options:
- Mono Parallel Bridge Tied Load (PBTL)
- Stereo Bridge Tied Load (BTL)
- 2.1 Single Ended Stereo Pair and Bridge Tied Load Subwoofer
Total Output Power at 10%THD+N
- 250W in Mono PBTL Configuration
- 125W per Channel in Stereo BTL Configuration
Total Output Power in BTL configuration at 1%THD+N
- 130W Stereo into 3Ω
- 105W Stereo into 4Ω
- 70W Stereo into 6Ω
- 55W Stereo into 8Ω
>90% Efficient Power Stage With 60-mΩ Output MOSFETs
Self-Protection Design (Including Undervoltage, Overtemperature, Clipping,
and Short-Circuit Protection) With Error Reporting
EMI Compliant When Used With Recommended System Design
Thermally Enhanced Package:
- PHD (64-Pin QFP)
APPLICATIONS
- Home Theater Systems
- AV Receivers
- DVD/Blu-ray™ Disc Receivers
- Mini Combo Systems
- Active Speakers and Subwoofers

All other trademarks are the property of their respective owners

Audio input type	PWM
Architecture	Class-D
Speaker channels (max)	4
Rating	Catalog
Power stage supply (max) (V)	34.1
Power stage supply (min) (V)	16
Load (min) (Ω)	4
Output power (W)	125
SNR (dB)	103
THD + N at 1 kHz (%)	0.03
Iq (typ) (mA)	21.5
Control interface	Hardware
Closed/open loop	Closed
Analog supply (min) (V)	10.8
Analog supply voltage (max) (V)	13.2
PSRR (dB)	80
Operating temperature range (°C)	0 to 70

HTQFP (PHD)

256 mm² 16 x 16

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TAS5612A

125W 立体声、250W 单声道、16V 至 34.1V 电源电压、PWM 输入 D 级音频放大器

4000-306-326