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TPA3123D2 Folha de dados(PDF) 4 Page - Texas Instruments |
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TPA3123D2 Folha de dados(HTML) 4 Page - Texas Instruments |
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4 / 29 page  www.ti.com DC CHARACTERISTICS AC CHARACTERISTICS TPA3123D2 SLOS541A – JULY 2007 – REVISED AUGUST 2007 TA = 25°C, VCC = 24 V, RL = 4 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Class-D output offset voltage | VOS | (measured differentially in BTL mode as shown in VI = 0 V, AV = 36 dB 7.5 50 mV Figure 30) V(BYPASS) AVCC/ Bypass output voltage No load V 8 ICC(q) SD = 2 V, MUTE = 0 V, No Quiescent supply current 23 37 mA load ICC(q) Quiescent supply current in mute mode MUTE = 0.8 V, No load 23 mA ICC(q) Quiescent supply current in shutdown mode SD = 0.8 V , No load 0.39 1 mA 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 GAIN = 2 V GAIN0 = 2 V 34 36 38 Mute Attenuation VI = 1 Vrms –82 dB TA = 25°C, VCC = 24 V, RL = 4Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VCC = 24, Vripple = 200 mVPP 100 Hz –48 ksvr Supply ripple rejection dB Gain = 20 dB 1 kHz –52 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 0.08% 85 μV Vn Output integrated noise floor 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB –80 dBV Crosstalk PO = 1 W, f = 1 kHz; Gain = 20 dB –60 dB Max output at THD+N < 1%, f = 1 kHz, SNR Signal-to-noise ratio 99 dB Gain = 20 dB Thermal trip point 150 °C Thermal hysteresis 30 °C fOSC Oscillator frequency 230 250 270 kHz time from mute input switches high until outputs mute delay 120 msec muted Δt time from mute input switches low until outputs unmute delay 120 msec unmuted 4 Submit Documentation Feedback |
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