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TPA3220 Datasheet(PDF) 9 Page - Texas Instruments |
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TPA3220 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 39 page  9 TPA3220 www.ti.com SLASEN3 – JANUARY 2018 Product Folder Links: TPA3220 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated (1) SNR is calculated relative to 1% THD+N output level. (2) Actual system idle losses also are affected by core losses of output inductors. 7.6 Audio Characteristics (BTL) PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, RL = 4 Ω, fS = 600 kHz, TC = 75°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, AD-Modulation, AES17 + AUX-0025 measurement filters, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Power output per channel RL = 8 Ω, 10% THD+N 60 W RL = 4 Ω, 10% THD+N, Single Channel, 300 s duration 105 RL = 8 Ω, 1% THD+N 50 RL = 4 Ω, 1% THD+N, 2-channels, 100 s duration 88 RL = 4 Ω, 1% THD+N, 1-channel, 300 s duration 88 THD+N Total harmonic distortion + noise 1 W 0.02 % Vn Output integrated noise A-weighted, AES17 filter, Input Capacitor Grounded, Gain = 18 dB 75 μV |VOS| Output offset voltage Inputs AC coupled to GND 20 60 mV SNR Signal-to-noise ratio(1) A-weighted, Gain = 18 dB 108 dB DNR Dynamic range A-weighted, Gain = 18 dB 109 dB Pidle Power dissipation due to idle losses (IPVDD_X) PO = 0, all outputs switching, AD-modulation, TC = 25°C (2) 0.37 W PO = 0, all outputs switching, HEAD- modulation, TC = 25°C (2) 0.25 W (1) SNR is calculated relative to 1% THD+N output level. (2) Actual system idle losses are affected by core losses of output inductors. 7.7 Audio Characteristics (PBTL) PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, RL = 3 Ω, fS = 600 kHz, TC = 75°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, Pre-Filter PBTL, AD- Modulation, AES17 + AUX-0025 measurement filters, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Power output per channel RL = 3 Ω, 10% THD+N 155 W RL = 4 Ω, 10% THD+N 120 RL = 3 Ω, 1% THD+N 125 RL = 4 Ω, 1% THD+N 98 THD+N Total harmonic distortion + noise 1 W 0.02 % Vn Output integrated noise A-weighted, AES17 filter, Input Capacitor Grounded, Gain = 18 dB 75 μV |VOS| Output offset voltage Inputs AC coupled to GND 20 60 mV SNR Signal to noise ratio(1) A-weighted, Gain = 18 dB 108 dB DNR Dynamic range A-weighted, Gain = 18 dB 110 dB Pidle Power dissipation due to idle losses (IPVDD_X) PO = 0, all outputs switching, AD- modulation, TC = 25°C (2) 0.20 W PO = 0, all outputs switching, HEAD- modulation, TC = 25°C (2) 0.17 W |
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