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TSC2301IZQZ Datasheet(PDF) 5 Page - Texas Instruments |
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TSC2301IZQZ Datasheet(HTML) 5 Page - Texas Instruments |
5 / 92 page www.ti.com TSC2301 SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004 ELECTRICAL CHARACTERISTICS (continued) At 25°C, HPV DD = AVDD = DVDD = +3.3 V, VREF = External 2.5 V, unless otherwise noted. TSC2301 Parameter Conditions Units Min Typ Max Output power per channel R = 32 Ω 14 mW R = 16 Ω 27 mW R = 16 Ω V DD = 3.6V 32 mW Signal-to-noise ratio, A-weighted 85 96 dB Total harmonic distortion R = 32 Ω 1-kHz, 0-dB input -83 -70 dB R = 16 Ω 1-kHz, -3-dB input -77 dB D/A Converter Output current range Measured with ARNG floating 0.75 1.10 mA Resolution 8 Bits Voltage Reference TSC2301IPAG 2.34 2.49 2.54 Voltage range Internal 2.5 V V TSC2301IGQZ 2.34 2.49 2.64 ppm/° Reference drift 50 C Current drain 20 µA Digital Input / Output Internal clock frequency 8.8 MHz Logic family CMOS Logic level: VIH IIH = 5 µA 0.7 VDD V VIL IIL = 5 µA -0.3 0.3 VDD V VOH IOH = 2 TTL loads 0.8* DVDD V VOL IOL = 2 TTL loads 0.2* DVDD V Power Supply Requirements Power supply voltage DVDD, AVDD, HPVDD 2.7 3.6 V Quiescent current (1) Touch screen only 1-kHz SAR sample rate, external Vref 14 µA 20-kHz SAR sample rate, internal Touch screen only 1.7 mA Vref Stereo playback only 44.1-kHz Playback, VDD = 2.7V 10 mA Voice record only Mono 8-kHz record, VDD = 2.7V 5.8 mA Power down Audio fully powered down .05 µA (1) For more details on power consumption, see the Audio Codec section of the description overview. 5 |
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