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TPA3250 Arkusz danych(PDF) 8 Page - Texas Instruments |
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TPA3250 Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 41 page 8 TPA3250 SLASE99A – DECEMBER 2015 – REVISED APRIL 2016 www.ti.com Product Folder Links: TPA3250 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) PVDD_X = 32 V, GVDD_X = 12 V, VDD = 12 V, TA (Ambient temperature) = 25°C, fS = 450 kHz, unless otherwise specified. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STATIC DIGITAL SPECIFICATIONS VIH High level input voltage M1, M2, OSC_IOP, OSC_IOM, 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) Peak Power rating using TPA3250 EVM (2) SNR is calculated relative to 1% THD+N output level. (3) 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 = 32 V, GVDD_X = 12 V, RL = 8 Ω, fS = 450 kHz, ROC = 22 kΩ, TA = 25°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 PO Power output per channel RL = 8 Ω, 10% THD+N 70 W RL = 4 Ω, 10% THD+N, 3 seconds Peak Power(1) 130 RL = 4 Ω, 10% THD+N, Single Channel, 300 seconds duration(1) 130 RL = 8 Ω, 1% THD+N 60 RL = 4 Ω, 1% THD+N 40 RL = 4 Ω, 1% THD+N, 6 seconds Peak Power(1) 105 RL = 4 Ω, 1% THD+N, Single Channe (1)l 105 THD+N Total harmonic distortion + noise 1 W 0.005% Vn Output integrated noise A-weighted, AES17 filter, Input Capacitor Grounded 60 μV |VOS| Output offset voltage Inputs AC coupled to GND 20 60 mV SNR Signal-to-noise ratio(2) 112 dB DNR Dynamic range 112 dB Pidle Power dissipation due to Idle losses (IPVDD_X) PO = 0, 4 channels switching (3) 0.6 W |
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Podobny opis - TPA3250 |
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