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TPA6139A2 데이터시트(PDF) 5 Page - Texas Instruments |
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TPA6139A2 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 22 page TPA6139A2 www.ti.com SLOS700B – JANUARY 2011 – REVISED JUNE 2012 ELECTRICAL CHARACTERISTICS VDD = 3.3V, RLoad = 32Ω, TA = 25°C, Charge pump: CCP = 1.0 μF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOS| Output offset voltage VDD = 3.3 V, input ac-coupled 0.5 1 mV PSRR Power-supply rejection ratio 70 80 dB VOH High-level output voltage VDD = 3.3 V 3.1 V VOL Low-level output voltage VDD = 3.3 V –3.05 V Vuvp_on PVDD, under voltage detection 2.8 V Vuvp_hysteresis PVDD, under voltage detection, hysteresis 200 mV Fcp Charge pump switching frequency 350 kHz |IIH| High-level input current, MUTE VDD = 3.3 V, VIH = VDD 1 µA |IIL| Low-level input current, MUTE VDD = 3.3 V, VIL = 0 V 1 µA I (VDD) Supply current, no load VDD, MUTE = 3.3 V 25 mA Supply current, MUTED VDD = 3.3 V, MUTE = GND 25 mA Tsd Thermal shutdown 150 °C Thermal shutdown hysteresis 15 °C PO Output Power, outputs in phase THD+N = 1%, f = 1kHz, 32 Ω load 25 mW THD+N = 1%, f = 1kHz, 32 Ω load 0.9 VO Output Voltage, outputs in phase Vrms THD+N = 1%, f = 1kHz, 600 Ω load 2.0 Total Harmonic distortion plus noise f = 1kHz, 32 Ω load, Po= 25mW, -1x 0.03% THD+N gain Total Harmonic distortion plus noise f = 1kHz, 10k Ωload, Vo=2 Vrms, -1x 0.005% THD+N gain ΔAV Gain matching Between left and right channels 0.25 dB ZO Output impedance when muted MUTE = GND 1 Ω Input to output attenuation when muted MUTE = GND 80 dB A-weighted, AES17 filter, 1Vrms ref SNR Signal to noise ratio 99 dB 32 Ω load, -1x gain A-weighted, AES17 filter, 2Vrms ref 105 Signal to noise ratio dB 600 Ω load, -1x gain Vn Noise voltage A-weighted, AES17 filter, Gain=-2x 12 µV Slew rate 4.5 V/µs Gbw Unity Gain bandwidth 8 MHz Crosstalk Channel to channel f = 1kHz, Rload = 32 Ω, Po= 25mW –85 dB Vincm_pos Positive Common mode input voltage +2.0 V Vincm_neg Negative Common mode input voltage –2.0 V Ilim Output current limit 60 mA Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :TPA6139A2 |
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