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TPA2025D1 Datasheet(PDF) 6 Page - Texas Instruments |
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TPA2025D1 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 29 page  TPA2025D1 SLOS717B – AUGUST 2011 – REVISED DECEMBER 2014 www.ti.com Operating Characteristics (continued) VBAT= 3.6 V, EN = VBAT, AGC = GND, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT A-weighted 49 EN Noise output voltage μVRMS Unweighted 65 1.7 W, RL = 8 Ω + 33 µH. A-weighted 97 1.7 W, RL = 8 Ω + 33 µH. Unweighted 95 SNR Signal-to-noise ratio dB 2 W, RL = 4 Ω + 33 µH. A-weighted 95 2 W, RL = 4 Ω + 33 µH. Unweighted 93 PO = 100 mW, f = 1 kHz 0.06% PO = 500 mW, f = 1 kHz 0.07% Total harmonic distortion plus THD+N noise(1) PO = 1.7 W, f = 1 kHz, RL = 8 Ω + 33 µH 0.07% PO = 2 W, f = 1 kHz, RL = 4 Ω + 33 µH 0.15% THD+N added to other audio signal connected at amplifier input during 0.02% shutdown 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 62.5 AC-Power supply ripple rejection AC PSRR dB (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 62.5 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 71 AC-Common mode rejection ratio AC CMRR dB (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 71 AUTOMATIC GAIN CONTROL AGC maximum attenuation 10 dB AGC attenuation resolution 0.5 dB AGC attack time (gain decrease) 20 µs/dB AGC release time (gain increase) 1.6 s/dB Gain vs VBAT slope VBAT < inflection point 7.5 dB/V AGC inflection point AGC = Float 3.25 (Note: AGC pin voltage is read only AGC = GND 3.55 at device power- V up. A device power cycle is AGC = VBAT 3.75 required to change AGC inflection points.) (1) A-weighted 6 Submit Documentation Feedback Copyright © 2011–2014, Texas Instruments Incorporated Product Folder Links: TPA2025D1 |
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