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TC2000 Dataheets PDF



Part Number TC2000
Manufacturers TRIPATH
Logo TRIPATH
Description STEREO CLASS-T AUDIO CONTROLLER
Datasheet TC2000 DatasheetTC2000 Datasheet (PDF)

Tripath Technology, Inc. - Technical Information TC2000 STEREO CLASS-T™ AUDIO CONTROLLER USING DIGITAL POWER PROCESSING (DPP™) TECHNOLOGY Technical Information Revision 1.1 – December 2003 GENERAL DESCRIPTION The TC2000 is a two channel audio controller that uses Tripath’s proprietary Digital Power Processing (DPPTM) technology. When combined with switching power output stages, the TC2000 allows the implementation of a complete Class-T audio amplifier. Class-T amplifiers offer both the audio.

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Tripath Technology, Inc. - Technical Information TC2000 STEREO CLASS-T™ AUDIO CONTROLLER USING DIGITAL POWER PROCESSING (DPP™) TECHNOLOGY Technical Information Revision 1.1 – December 2003 GENERAL DESCRIPTION The TC2000 is a two channel audio controller that uses Tripath’s proprietary Digital Power Processing (DPPTM) technology. When combined with switching power output stages, the TC2000 allows the implementation of a complete Class-T audio amplifier. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. APPLICATIONS 5.1-Channel DVD Mini/Micro Component Systems Home Theater Stereo applications BENEFITS High fidelity, high efficiency Class-T Analog inputs FEATURES Class-T Architecture Audiophile Quality Sound 0.007% THD+N @ 30W 8Ω (with TP2050) High Efficiency 92% @ 60W 8Ω (with TP2050) Dynamic Range >100 dB 1 TC2000 – KLI/1.1/12-03 Tripath Technology, Inc. - Technical Information A B S O L U T E M A X I M U M R A T I N G S (Note 1) SYMBOL V5 Vlogic TA TSTORE TJMAX PARAMETER 5V Power Supply Input Logic Level Operating Free-air Temperature Range Storage Temperature Range Maximum Junction Temperature ESDHB ESD Susceptibility – Human Body Model (Note 2), all pins Value 6 V5+0.3V -40 to 85 -55 to 150 150 2000 UNITS V V °C °C °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 1.5KΩ resistor. OPERATING CONDITIONS SYMBOL V5 VHI VLO TA PARAMETER Supply Voltage Logic Input High Logic Input Low Operating Temperature Range MIN. 4.5 V5-1.0 TYP. 5 -40 25 MAX. 5.5 1 85 UNITS V V V °C THERMAL CHARACTERISTICS TC2000 SYMBOL θJA PARAMETER Junction-to-ambient Thermal Resistance (still air) Value 80 UNITS °C/W ELECTRICAL CHARACTERISTICS SYMBOL I5 fsw VIN VOUTHI VOUTLO RIN PARAMETER Supply Current Switching Frequency (adjustable via CFB) Input Sensitivity High Output Voltage Low Output Voltage Input Impedance Input DC Bias MIN. 600 0 V5-0.5 TYP. 60 650 2 2.5 MAX. 1.5 100 UNITS mA kHz V V mV kΩ V 2 TC2000 – KLI/1.1/12-03 Tripath Technology, Inc. - Technical Information TC2000 AUDIO SIGNAL PROCESSOR PIN DESCRIPTIONS Pin 1 2, 6 3 4, 7 5 8 9, 12 10, 11 13 14,16 15 17 18 19 20 21 22, 27 23, 28 Function BIASCAP FDBKP2, FDBKP1 DCMP FDBKN2, FDBKN1 VPWR HMUTE Y1, Y2 Y1B, Y2B NC OCD2, OCD1 REF VNNSENSE OVRLDB VPPSENSE AGND V5 OAOUT1, OAOUT2 INV1, INV2 24 MUTE 25, 26 BBM1, BBM0 Description Bandgap reference times two (typically 2.5VDC). Used to set the common mode voltage for the input op amps. This pin is not capable of driving external circuitry. Positive switching feedback. Internal mode selection. This pin must be grounded for proper device operation. Negative switching feedback. Test pin. Must be left floating. Logic output. A logic high indicates both amplifiers are muted, due to the mute pin state, or a “fault”. Non-inverted switching modulator outputs. Inverted switching modulator outputs. No connect Over Current Detect. Ground if not used. Internal reference voltage; approximately 1.2 VDC. Negative power stage over/under supply voltage sense resistor tie point. A logic low output indicates the input signal has overloaded the amplifier. Positive power stage over/under supply voltage sense resistor tie point. Ground 5 Volt power supply input. Input stage output pins. Single-ended inputs. Inputs are a “virtual” ground of an inverting opamp with approximately 2.4VDC bias. When set to logic high, both amplifiers are muted and in idle mode. When low (grounded), both amplifiers are fully operational. If left floating, the device stays in the mute mode. Ground if not used. Break-before-make timing control. TC2000 AUDIO SIGNAL PROCESSOR PINOUT BIASCAP FDBKP2 DCMP FDBKN2 VPWR FDBKP1 FDBKN1 HMUTE Y1 Y1B Y2B Y2 NC OCD2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 INV2 OAOUT2 BBM0 BBM1 MUTE INV1 OAOUT1 V5 AGND VPPSENSE OVRLDB VNNSENSE OCD1 REF 3 TC2000 – KLI/1.1/12-03 APPLICATION / TEST DIAGRAM Inputs and TC2000 Tripath Technology, Inc. - Technical Information V5 RCA J9 IN1 2 2 RCA J10 1 ROFB 5K 3 ROFA 500K COF .1u;50V 1 1 CI 2.2u;10V + V5 RI 20K 1 ROFB 5K 2 3 ROFA 500K COF .1u;50V 1 1 + CI IN2 2 2.2u;10V 2 RI 20K ROFA 500K RF 20K ROFA 500K RF 20K RREF 8.2K RVNNSENSE 10k RVPPSENSE 20k V5 1 JP 2 JUMPER V5 15 REF 16 OCD0 17 VNNSENSE 18 OVRLDB 19 VPPSENSE 20 AGND OCD1 NC Y2 Y2B Y1B Y1 HMUTE 14 13 12 11 10 9 8 21 V5 FDBKN1 7 22 OAOUT1 23 IN V 1 24 MUTE TC2000 FDBKP1 6 25 BBM2 26 BBM1 27 OAOUT2 28 IN V 2 VPWR FDBKN2 5 4 V5 V5 CS .1u;50V + CS 100u;16V DCMP 3 FDBKP2 B IA S C A P 2 1 C7 .1u;50V Y2 Y2B Y1B Y1 HMUTE RFBC RFBB CFB RFBB RFBC CFB RFBB RFBC CFB RFBB RFBC CFB OUT1A OUT1B OUT2A OUT2B 4 TC2000 – KLI/1.1/12-03 Tripath Technology, Inc. - Technical Information E X T E R N A L C O M P O N E N T S D E S C R I P T.


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