TA2020-020 Tripath Technology Inc., TA2020-020 Datasheet
TA2020-020
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TA2020-020 Summary of contents
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... Stereo 20W (4Ω Ω Ω Ω ) Class-T Digital Audio Amplifier using Digital Power Processing September, 2000 General Description The TA2020-020 is a 20W continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. ...
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... Junction-to-case Thermal Resistance θ JC Junction-to-ambient Thermal Resistance θ (Note 1) PARAMETER PARAMETER PARAMETER B Value UNITS ° ° -40 to 150 C ° ° - ° 150 MIN. TYP. MAX. UNITS 8.5 13.5 14 Value UNITS C/W ° 3.5 C/W ° 15 TA2020-020, Rev. 4.0, 09.00 ...
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... Minimum and maximum limits are guaranteed but may not be 100% tested. 2) For operation in ambient temperatures greater than 25°C, the device must be derated based on the maximum junction temperature and the thermal resistance determined by the mounting technique. TA2020-020, Rev. 4.0, 09.00 (Note 13.5V 1kHz, Measurement ° ...
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... OVERLOADB BIASCAP CPUMP Description 32-pin SSIP Package (Front View V5D 2 AGND1 3 REF AGND2 7 V5A 8 VP1 9 IN1 10 MUTE 11 VP2 12 IN2 AGND3 16 SLEEP 17 FAULT 18 PGND2 19 DGND 20 OUTP2 21 VDD2 22 OUTM2 23 OUTM1 24 VDD1 25 OUTP1 26 VDDA 27 PGND1 28 29 5VGEN 30 DCAP2 31 DCAP1 32 B TA2020-020, Rev. 4.0, 09.00 ...
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... S 0.1uF 3 AGND1 8 To Pin 30 V5A C S 0.1uF 7 AGND2 AGND3 Note: Analog and Digital/Power Grounds must be connected locally at the TA2020-020 Analog Ground Digital/Power Ground All Diodes Motorola MBRS130T3 * Use C TA2020-020, Rev. 4.0, 09.00 VDD1 L 10uH, 3A OUTP1 Processing (Pin 28) PGND1 & (Pin 28) ...
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... C Charge pump input capacitor. This capacitor should be connected directly between D pins 31 and 32 and located physically close to the TA2020-020. C Charge pump output capacitor that enables efficient high side gate drive for the P internal H-bridges. To maximize performance, this capacitor should be connected directly between pin 29 (CPUMP) and pin 27 (VDDA) ...
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... Frequency (Hz) THD+N versus Frequency 10 VDD = 13.5V 5 Pout = 5W/Channel 22Hz - 22kHz 1 0.5 0.2 0.1 0. 4Ω 8Ω 100 200 500 1k Frequency (Hz) TA2020-020, Rev. 4.0, 09.00 +0 -10 -20 -30 -40 -50 -60 -70 -80 VDD = 13. 1kHz - -100 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 ...
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... Since the amplifier must drive the inductive LC output filter and speaker loads, the amplifier outputs can be pulled above the supply voltage and below ground by the energy in the output inductance. To avoid subjecting the TA2020-020 to potentially damaging voltage stress critical to have a good printed circuit board layout recommended that Tripath’ ...
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... Amplifier Gain The gain of the TA2020-020 is set by the ratio of two external resistors, R the following formula where V is the input signal level and watts of RMS output power results from an 8.944 V RMS signal across a four-ohm speaker load then 20 Watts will be achieved with 0.745 V RMS of input signal. ...
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... DISS T = maximum junction temperature of TA2020-020 JMAX T = operating ambient temperature A = junction-to-case thermal resistance of TA2020-020 θ JC Example: What size heat sink is required to operate the TA2020-020 at 20W per channel continuously in a 70ºC ambient temperature determined by: DISS η Efficiency = = P (per channel) = DISS Thus, P ...
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... TA2020-020 amplifier switching pattern will degrade the measurement. One feature of the TA2020-020 is that it does not require large multi-pole filters to achieve excellent performance in listening tests, usually a more critical factor than performance measurements. Though using a multi-pole filter may remove high-frequency noise and improve THD+N type measurements (when they are made with wide-bandwidth measuring equipment), these same filters degrade frequency response ...
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... Package Information 32-pin SSIP Package TA2020-020, Rev. 4.0, 09.00 ...
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... World Wide Sales Offices Western United States: Jim Hauer Taiwan, HK, China: Jim Hauer Japan: Osamu Ito Europe: Steve Tomlinson B TRIPATH TECHNOLOGY, INC. 3900 Freedom Circle, Suite 200 Santa Clara, California 95054 408-567-3000 TA2020-020, Rev. 4.0, 09. jhauer@tripath.com 408-567-3089 jhauer@tripath.com 408-567-3089 ito@tripath.com 81-42-334-2433 stomlinson@tripath.com 44-1672-86-1020 ...