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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA6138A2PW Datenblatt(PDF) 5 Page - Texas Instruments |
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TPA6138A2PW Datenblatt(HTML) 5 Page - Texas Instruments |
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5 / 22 page  TPA6138A2 www.ti.com SLOS704B – JANUARY 2011 – REVISED AUGUST 2015 7.5 Electrical Characteristics VDD = 3.3 V, RDL = 32 Ω, Rfb = 30 kΩ, RIN = 15 kΩ, TA = 25°C, Charge pump: CP = 1 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOS| Output offset voltage VDD = 3.3 V 0.5 1 mV PSRR Power-supply rejection ratio 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_EX External UVP detect voltage 1.25 V VUVP_EX_HYSTERESIS External UVP detect hysteresis current 5 µA fCP Charge-pump switching frequency 200 300 400 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 VDD = 3.3 V, no load, Mute = VDD, no load 5 14 25 IDD Supply current mA VDD = 3.3 V, no load, Mute = GND, 14 disabled 7.6 Operating Characteristics VDD = 3.3 V, RDL = 32 Ω, Rfb = 30 kΩ, RIN = 15 kΩ, TA = 25°C, Charge pump: CP = 1 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PO Output power, outputs in phase THD+N = 1%, VDD = 3.3 V, f = 1 kHz, RL = 32 Ω 40 mW THD+N Total harmonic distortion plus noise VDD = 3.3V, f = 1kHz, RLD = 32Ω, Po = 10mW 0.01% SNR Signal-to-noise ratio(1) A-weighted 90 96 dB DNR Dynamic range(2) A-weighted 90 100 dB VN Noise voltage A-weighted 13 μV ZO Output Impedance when muted Mute = GND 110 m Ω Input-to-output attenuation when Mute = GND 80 dB muted Crosstalk—L to R, R to L Po = 20 mW –75 dB ILIMIT Current limit PVDD = 3.3 V 50 mA (1) SNR is calculated relative to 25-mW output. (2) DNR is calculated relative to output at 1% THD+N. Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPA6138A2 |
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