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TPA3120D2PWPR Fiches technique(PDF) 4 Page - Texas Instruments |
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TPA3120D2PWPR Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com DC CHARACTERISTICS AC CHARACTERISTICS TPA3120D2 SLOS507 – MARCH 2007 T A = 25°C, VCC = 24 V, RL = 4 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Class-D output offset voltage | VOS | VI = 0 V, AV = 36 dB 7.5 50 mV (measured differentially) V(BYPASS) Bypass output voltage No load AVCC/8 V VCC = 10 V to 30 V, Inputs ac coupled to AGND, PSRR Power supply rejection ratio -70 dB Gain = 36 dB ICC(q) Quiescent supply current SD = 2 V, MUTE = 0 V, No load 23 37 mA ICC(q) Quiescent supply current in MUTE = 0.8 V, No load 23 mA mute mode ICC(q) Quiescent supply current in SD = 0.8 V , No load 390 825 µA shutdown mode rDS(on) Drain-source on-state 250 m Ω resistance GAIN0 = 0.8 V 18 20 22 GAIN1 = 0.8 V GAIN0 = 2 V 24 26 28 G Gain dB GAIN0 = 0.8 V 30 32 34 GAIN = 2 V GAIN0 = 2 V 34 36 38 T A = 25°C, VCC = 24 V, RL = 4Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VCC = 19.5 V to 20.5 V from 10 Hz to 1 kHz, KSVR Supply ripple rejection -60 dB Gain = 20 dB VCC = 24 V, RL = 4 Ω, f = 1 kHz 16 Output Power at 1% THD+N VCC = 24 V, RL = 8 Ω, f = 1 kHz 8 PO W VCC = 24 V, RL = 4 Ω, f = 1 kHz 20 Output Power at 10% THD+N VCC = 24 V, RL = 8 Ω, f = 1 kHz 10 RL = 4 Ω, f = 1 kHz, Po = 10 W 0.08% THD+N Total harmonic distortion + noise RL = 8 Ω, f = 1 kHz, Po = 5 W 0.15% 85 µV Vn Output integrated noise floor 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB -80 dB Crosstalk PO = 1 W, f = 1kHz; Gain = 20 dB -60 dB SNR Signal-to-noise ratio Max Output at THD+N < 1%, f = 1 kHz, Gain = 20 dB 99 dB Thermal trip point 150 °C Thermal hysteresis 30 °C fOSC Oscillator frequency 230 250 270 kHz 4 Submit Documentation Feedback |
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