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TPA3251D2 Scheda tecnica(PDF) 8 Page - Texas Instruments |
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TPA3251D2 Scheda tecnica(HTML) 8 Page - Texas Instruments |
8 / 39 page TPA3251D2 SLASE40C – JUNE 2015 – REVISED JUNE 2015 www.ti.com Electrical Characteristics (continued) PVDD_X = 36 V, GVDD_X = 12 V, VDD = 12 V, TC (Case temperature) = 75°C, fS = 600 kHz, unless otherwise specified. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STATIC DIGITAL SPECIFICATIONS VIH High level input voltage 1.9 V M1, M2, OSC_IOP, OSC_IOM, RESET VIL Low level input voltage 0.8 V Ilkg Input leakage current 100 μA OTW/SHUTDOWN (FAULT) Internal pullup resistance, CLIP_OTW to RINT_PU 20 26 32 k Ω DVDD, FAULT to DVDD 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 7.6 Audio Characteristics (BTL) PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 36 V, GVDD_X = 12 V, RL = 4 Ω, fS = 600 kHz, ROC = 22 kΩ, TC = 75°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, mode = 00, AES17 + AUX-0025 measurement filters,unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RL = 3 Ω, 10% THD+N 220 RL = 4 Ω, 10% THD+N 175 PO Power output per channel W RL = 3 Ω, 1% THD+N 175 RL = 4 Ω, 1% THD+N 140 THD+N Total harmonic distortion + noise 1 W 0.005% A-weighted, AES17 filter, Input Capacitor Vn Output integrated noise 60 μV Grounded |VOS| Output offset voltage Inputs AC coupled to GND 20 60 mV SNR Signal-to-noise ratio(1) 111 dB DNR Dynamic range 115 dB Pidle Power dissipation due to Idle losses (IPVDD_X) PO = 0, 4 channels switching (2) 1 W (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. 8 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: TPA3251D2 |
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