Details, datasheet, quote on part number: TK2050
PartTK2050
CategoryMultimedia => Audio => Amplifiers
DescriptionStereo 50W Amplifier Chipset
CompanyTripath
DatasheetDownload TK2050 datasheet
Quote
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Features, Applications

TK2050 STEREO (8 ) CLASS-TTM DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPPTM) TECHNOLOGY

The TK2050 (TC2000/TP2050 chipset) a 50W continuous average power per channel, Class-T Digital Audio Power Amplifier using Tripath's proprietary Digital Power ProcessingTM technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. The performance of the TK2050 is similar to the TK2051, but the TP2050 driver used in the is a thermally enhanced PSOP package, which provides for a more effective and flexible heat removal solution.

APPLICATIONS
FEATURES

5.1-Channel DVD Mini/Micro Component Systems Home Theater Stereo applications / 8) Mono applications (4)

Single Supply Operation Very High Efficiency Wide Dynamic Range Compact layout

Class-T Architecture High Output power 35W THD+N 50W THD+N 117W THD+N (paralleled outputs) Audiophile Quality Sound 0.007% THD+N 8 0.005% THD+N 70W 4 (paralleled outputs) High Efficiency 117W 4 (paralleled outputs) Dynamic Range >100 dB

SYMBOL V5 Vlogic TA TSTORE TJMAX ESDHB 5V Power Supply Input Logic Level Operating Free-air Temperature Range Storage Temperature Range Maximum Junction Temperature ESD Susceptibility ­ Human Body Model (Note 2), all pins PARAMETER Value 150 2000 UNITS °C V

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. See the table below for Operating Conditions. Note 2: Human body model, 100pF discharged through a 1.5K resistor. (Note 1)

SYMBOL VCC Vlogic TA TSTORE TJMAX ESDHB Power Supply Input Logic Level Operating Free-air Temperature Range Storage Temperature Range Maximum Junction Temperature ESD Susceptibility ­ Human Body Model (Note 2), all pins PARAMETER Value 150 2000 UNITS °C V

SYMBOL V5 VHI VLO TA Supply Voltage Logic Input High Logic Input Low Operating Temperature Range -40 25 PARAMETER MIN. 1 85 TYP. 5 MAX. 5.5 UNITS V °C

SYMBOL VCC VHI VLO TA Power Supply Logic Input High Logic Input Low Operating Temperature Range 0 25 PARAMETER MIN. 1V 70 TYP. MAX. 36 UNITS V °C

PARAMETER Junction-to-ambient Thermal Resistance (still air)

SYMBOL I5 fsw VIN VOUTHI VOUTLO RIN Supply Current Switching Frequency (adjustable via CFB) Input Sensitivity High Output Voltage Low Output Voltage Input Impedance Input DC Bias V5-0.5 100 PARAMETER MIN. TYP. 650 1.5 MAX. UNITS mA kHz k V

= 25 °C. See Application/Test Circuit. Unless otherwise noted, the supply voltage is VCC = 28V.

SYMBOL Iq IMUTE VIH VIL ISC PARAMETER Quiescent Current (No load, Mute = 0V) Mute Supply Current (No load, Mute = 5V) High-level input voltage (MUTE) Low-level input voltage (MUTE) Short-circuit current limit CONDITIONS VCC = 5V VCC = 5V IIH = See Mute Control Section IIL = See Mute Control Section VCC 3.5 6 MIN. TYP. MAX. 60 UNITS V A

SYMBOL POUT PARAMETER Output Power (Continuous Average/Channel) (Note 13) CONDITIONS VCC = 8 THD+N = 0.01% THD+N = 3.0% THD+N = 10.0% VCC = 6 THD+N = 0.01% THD+N = 1.0% THD+N = 10.0% VCC = 4 (par. output) THD+N < 0.01% THD+N < 10% POUT = 8 VCC = 30V POUT = 70W Parallel, RL=4 VCC 20kHz, 1:1 (IHF), = 8 POUT = 30W/Channel A-Weighted 8, f=1kHz POUT = 8, See Application / Test Circuit POUT = 8 See Application / Test Circuit POUT = 8 POUT = 6 A-Weighted, input AC grounded, RFBC=14k, RFBB=1k MIN. TYP. MAX. UNITS dB V/V % µV

IHF Intermodulation Distortion Signal-to-Noise Ratio Channel Separation Amplifier Gain Channel to Channel Gain Error Power Efficiency Output Noise Voltage


 

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