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DRV632 Datasheet(PDF) 3 Page - Texas Instruments |
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DRV632 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 18 page  DRV632 www.ti.com SLOS681 – JANUARY 2011 RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT VDD Supply voltage DC supply voltage 3 3.3 3.6 V RL Load impedance 0.6 10 k Ω VIL Low-level input voltage Mute 40 % of VDD VIH High-level input voltage Mute 60 % of VDD TA Operating free-air temperature –40 25 85 °C ELECTRICAL CHARACTERISTICS TA = 25°C (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_ External UVP detect voltage 1.25 V EX VUVP_ External UVP detect hysteresis current 5 µA EX_HYS TERESI S 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 5 14 25 IDD Supply current mA VDD = 3.3 V, no load, Mute = GND, disabled 14 OPERATING CHARACTERISTICS VDD = 3.3 V, RDL = 10 kΩ, RFB = 30 kΩ, RIN = 15 kΩ, TA = 25°C, Charge pump: CP = 1 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VO Output voltage, outputs in phase THD+N = 1%, VDD = 3.3 V, f = 1 kHz, RL = 10 kΩ 2 2.4 Vrms THD+N Total harmonic distortion plus noise VO = 2 VRMS, f = 1 kHz 0.002% SNR Signal-to-noise ratio(1) A-weighted 90 105 dB DNR Dynamic range A-weighted 90 105 dB VN Noise voltage A-weighted 11 mV 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 VO = 1 Vrms –110 dB ILIMIT Current limit 25 mA (1) SNR is calculated relative to 2-Vrms output. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): DRV632 |
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