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TPA3129D2DAP Folha de dados(PDF) 6 Page - Texas Instruments |
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TPA3129D2DAP Folha de dados(HTML) 6 Page - Texas Instruments |
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6 / 38 page  6 TPA3128D2, TPA3129D2 SLOS941B – MAY 2016 – REVISED JUNE 2017 www.ti.com Product Folder Links: TPA3128D2 TPA3129D2 Submit Documentation Feedback Copyright © 2016–2017, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. (2) For the PCB layout please see the TPA3128D2EVM user guide. 6.4 Thermal Information THERMAL METRIC(1) TPA3128D2, TPA3129D2 UNIT DAP(2) 32 PINS RθJA Junction-to-ambient thermal resistance 22 °C/W ψJT Junction-to-top characterization parameter 0.3 °C/W ψJB Junction-to-board characterization parameter 4.8 °C/W 6.5 DC Electrical Characteristics TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω, fs = 400 kHz, low idle-loss mode(unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT | VOS | Class-D output offset voltage (measured differentially) VI = 0 V 1.5 5 mV ICC Quiescent supply current SDZ = 2 V, With load and filter, PVCC = 12 V 17 SDZ = 2 V, With load and filter, PVCC = 24 V 23 ICC(SD) Quiescent supply current in shutdown mode SDZ = 0.8 V, With load and filter, PVCC = 12 V 20 µA SDZ = 0.8 V, With load and filter, PVCC = 24 V 30 rDS(on) Drain-source on-state resistance, measured pin to pin PVCC = 21 V, Iout = 500 mA, TJ = 25°C 90 mΩ G Gain (BTL) R1 = 5.6 kΩ, R2 = Open 19 20 21 dB R1 = 20 kΩ, R2 = 100 kΩ 25 26 27 R1 = 39 kΩ, R2 = 100 kΩ 31 32 33 dB R1 = 47 kΩ, R2 = 75 kΩ 35 36 37 G Gain (SLV) R1 = 51 kΩ, R2 = 51 kΩ 19 20 21 dB R1 = 75 kΩ, R2 = 47 kΩ 25 26 27 R1 = 100 kΩ, R2 = 39 kΩ 31 32 33 dB R1 = 100 kΩ, R2 = 16 kΩ 35 36 37 ton Turn-on time SDZ = 2 V 40 ms tOFF Turn-off time SDZ = 0.8 V 2 µs GVDD Gate drive supply IGVDD < 200 µA 5.1 5.6 6.3 V VO Output voltage maximum under PLIMIT control V(PLIMIT) = 2 V; VI = 1 Vrms 6.75 8.2 8.75 V 6.6 AC Electrical Characteristics TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT KSVR Power supply ripple rejection 200 mVPP ripple at 1 kHz, Gain = 20 dB, Inputs AC- coupled to GND –70 dB PO Continuous output power THD+N = 10%, f = 1 kHz, PVCC = 14.4 V 25 W THD+N = 10%, f = 1 kHz, PVCC = 21 V 30 THD+N Total harmonic distortion + noise VCC = 21 V, f = 1 kHz, PO = 15 W (half-power) 0.1% Vn Output integrated noise 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB 65 µV –80 dBV Crosstalk VO = 1 Vrms, Gain = 20 dB, f = 1 kHz –100 dB SNR Signal-to-noise ratio Maximum output at THD+N < 1%, f = 1 kHz, Gain = 20 dB, A-weighted 102 dB |
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