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TPA3122D2N Datasheet(PDF) 4 Page - Texas Instruments |
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TPA3122D2N Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 20 page  www.ti.com DC CHARACTERISTICS AC CHARACTERISTICS TPA3122D2 SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007 TA = 25°C, VCC = 24 V, RL = 4Ω (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 ICC(q) Quiescent supply current SD = 2 V, MUTE = 0 V, No load 23 37 mA ICC(q) Quiescent supply current in mute mode MUTE = 2 V, No load 23 mA ICC(q) Quiescent supply current in shutdown 1 SD = 0.8 V , No load 0.39 mA mode rDS(on) Drain-source on-state resistance 200 m Ω 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 Gain1 = 2 V Gain0 = 2 V 34 36 38 Mute Attenuation VI = 1Vrms –82 TA = 25°C, VCC = 24V, RL = 4Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VCC = 12 V, Vripple = 200 mVPP 100 Hz –30 dB KSVR Supply ripple rejection Gain = 20 dB 1 kHz -48 dB VCC = 12 V, RL = 4 Ω, f = 1 kHz 4 Output Power at 1% THD+N VCC = 24 V, RL = 8 Ω, f = 1 kHz 8 PO W VCC = 12 V, RL = 4 Ω, f = 1 kHz 5 Output Power at 10% THD+N VCC = 24 V, RL = 8 Ω, f = 1 kHz 10 RL = 4 Ω, f = 1 kHz, PO = 1 W 0.1% Total harmonic distortion + THD+N noise RL = 8 Ω, f = 1 kHz, PO = 1 W 0.06% 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 10 V ≤ VCC 230 250 270 kHz mute delay time from mute input switches high until outputs muted 120 msec Δt unmute delay time from mute input switches low until outputs unmuted 120 msec 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s) :TPA3122D2 |
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