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SN012020 Datasheet(PDF) 6 Page - Texas Instruments |
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SN012020 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 40 page  VBAT = 3.6 V, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AV Closed-loop voltage gain GAIN < 0.25 × VBAT 6 dB 0.4 × VBAT < GAIN < 0.6 × VBAT (or float) 15.5 GAIN > 0.75 × VBAT 20 ΔAV Gain accuracy –0.5 0.5 dB VOOS Output offset voltage 10 mV RIN Input impedance (per input pin) AV = 6 dB 27.8 kΩ AV = 15.5 dB 14.9 AV = 20 dB 10.1 Input impedance in shutdown (per input pin) END = 0 V 88.4 kΩ ZO Output impedance in shutdown END = 0 V 2 kΩ fCLASS-D Switching frequency 560 600 640 kHz EN Noise output voltage A-weighted, GAIN = 6 dB 24.8 μVRMS A-weighted, GAIN = 15.5 dB 33.4 A-weighted, GAIN = 20 dB 42.4 THD+N Total harmonic distortion plus noise(1) PO = 100 mW, f = 1 kHz 0.06% PO = 500 mW, f = 1 kHz 0.07% AC PSRR AC-Power supply ripple rejection (output referred) 200 mVPP ripple, f = 217 Hz 75 dB 200 mVPP ripple, f = 4 kHz 70 Audio frequency passband ripple fAUDIO = 20 Hz, CIN = 1 μF –0.2 –0.1 0 dB fAUDIO = 16 kHz, CIN = 1 μF –0.2 –0.1 0 AUTOMATIC GAIN CONTROL AGC gain range 0 20 dB AGC gain step size 0.5 dB AGC attack time (gain decrease) 0.026 ms/dB AGC release time (gain increase) 1600 ms/dB Limiter threshold voltage VBAT > inflection point 6.15 V VBAT vs. Limiter slope VBAT < inflection point 3 V/V AGC inflection point AGC option 1, R(AGC) = 39 kΩ (±5%) 3.55 V AGC option 2, R(AGC) = 27 kΩ (±5%) 3.78 AGC option 3, R(AGC) = 18 kΩ (±5%) 3.96 (1) A-weighted TPA2015D1 SLOS638C – NOVEMBER 2011 – REVISED JUNE 2022 www.ti.com 6 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: TPA2015D1 |
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