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TPA3221DDV Fiches technique(PDF) 9 Page - Texas Instruments |
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TPA3221DDV Fiches technique(HTML) 9 Page - Texas Instruments |
9 / 39 page 9 TPA3221 www.ti.com SLASEE9 – JUNE 2017 Product Folder Links: TPA3221 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics (continued) PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, TC (Case temperature) = 75 °C, fS = 400 kHz, unless otherwise specified. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STATIC DIGITAL SPECIFICATIONS VIH High level input voltage 1SPW, OSCM, OSCP,CMUTE, RESET 1.9 V VIL Low level input voltage 0.8 V Ilkg Input leakage current 100 μA OTW/SHUTDOWN (FAULT) RINT_PU Internal pullup resistance, CLIP_OTW to DVDD, FAULT to DVDD 20 26 32 k Ω VOH High level output voltage Internal pullup resistor 3 3.3 3.6 V VOL Low level output voltage IO = 4 mA 200 500 mV Device fanout CLIP_OTW, FAULT No external pullup 30 devices (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 = 400 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 = 3 Ω, 10% THD+N 145 W RL = 4 Ω, 10% THD+N 115 RL = 3 Ω, 1% THD+N 115 RL = 4 Ω, 1% THD+N 95 THD+N Total harmonic distortion + noise 1 W 0.03% 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 108 dB Pidle Power dissipation due to Idle losses (IPVDD_X) PO = 0, 4 channels switching (2) 0.45 W |
Numéro de pièce similaire - TPA3221DDV |
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Description similaire - TPA3221DDV |
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