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TPA6040A4RHBRG4 Scheda tecnica(PDF) 6 Page - Texas Instruments |
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TPA6040A4RHBRG4 Scheda tecnica(HTML) 6 Page - Texas Instruments |
6 / 28 page www.ti.com HEADPHONE AMPLIFIER DC ELECTRICAL CHARACTERISTICS HEADPHONE AMPLIFIER AC CHARACTERISTICS LDO CHARACTERISTICS TPA6040A4 SLOS519A – APRIL 2007 – REVISED APRIL 2007 T A = 25°C, HPVDD = CPVDD = VDD = 5 V, RL = 16 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT | VOS | Output offset voltage Inputs grounded 1 3 mV PSRR Power supply rejection ratio HPVDD = 4.5 V to 5.5 V -75 -100 dB T A = 25°C, HPVDD = 5 V, RL = 16 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT THD+N = 10%, Rl = 16 Ω, f = 1 kHz 200 PO Output power (outputs in phase) mW THD+N = 10%, Rl = 32 Ω, f = 1 kHz 100 PO = 85 mW, f = 20 Hz to 20 kHz, 0.03% RL = 16 Ω THD+N Total harmonic distortion plus noise PO = 50 mW, f = 20 Hz to20 kHz, 0.04% RL = 32 Ω Dynamic Range with Signal Present A-Weighted, f = 20 Hz to 20 kHz -100 dB FS kSVR Supply ripple rejection ratio f = 1 kHz, 200-mVpp ripple -60 dB Crosstalk Po = 35 mW, f = 20 Hz to 20 kHz -80 dB SNR Signal-to-noise ratio Maximum output at THD+N 1%, f = 1 kHz 95 dB Vn Noise output voltage f = 20 Hz to 20 kHz, No weighting 20 µVrms ZI Input Impedance 15 20 k Ω Gain Closed-loop voltage gain RL = 16 Ω -1.45 -1.5 -1.55 V/V Start-up time from shutdown 5 ms T A = 25°C, VDD = 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI Input voltage VDD 4.5 5.5 V IO Continuous output current 120 mA VO Output voltage 0 < IO < 120 mA; 4.9 V < Vin < 5.5 V 4.65 4.75 4.85 V Dropout voltage IO = 120 mA 60 100 mV Line regulation IL = 5 mA; 4.9 V < Vin < 5.5 V 3 12 mV Load regulation IL = 0 – 120 mA, Vin = 5 V 0.13 0.23 mV/ mA Power supply ripple rejection VDD = 4.9V, IL = 10 mA f = 100 Hz 46 dB 6 Submit Documentation Feedback |
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