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TLV320AIC3106IRGZR Datasheet(PDF) 7 Page - Texas Instruments |
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TLV320AIC3106IRGZR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 102 page www.ti.com ELECTRICAL CHARACTERISTICS TLV320AIC3106 SLAS509B – DECEMBER 2006 – REVISED JUNE 2007 At 25 °C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 48-kHz, 16-bit audio data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUDIO ADC Input signal level (0-dB) Single-ended input 0.707 VRMS Signal-to-noise ratio, Fs = 48 ksps, 0 dB PGA gain, Inputs ac-shorted to ground 80 92 dB A-weighted(1)(2) Dynamic range (2) Fs = 48 ksps, 0-dB PGA gain, –60 dB full-scale input signal 91 dB Fs = 48 ksps, 0-dB PGA gain, –2dB full-scale 1kHz input THD Total harmonic distortion –88 –70 dB signal 217 Hz signal applied to DRVDD 49 Power supply rejection ratio dB 1 kHz signal applied to DRVDD 46 Fs = 48 ksps, 0-dB PGA gain, –2dB full-scale 1kHz input Gain error 0.84 dB signal 1 kHz, -2dB Full-scale signal, MIC3L to MIC3R -86 Input channel separation 1 kHz, -2dB Full-scale signal, MIC2L to MIC2R -98 dB 1 kHz, -2dB Full-scale signal, MIC1L to MIC1R -75 ADC programmable gain 1-kHz input tone 59.5 dB amplifier maximum gain ADC programmable gain 0.5 dB amplifier step size MIC1L/MIC1R inputs routed to single ADC 20 Input mix attenuation = 0 dB MIC1L/MIC1R inputs routed to single ADC, input mix 80 attenuation = 12 dB MIC2L/MIC2R inputs routed to single ADC 20 Input mix attenuation = 0 dB Input resistance k Ω MIC2L/MIC2R inputs routed to single ADC, input mix 80 attenuation = 12 dB MIC3L/MIC3R inputs routed to single ADC 20 Input mix attenuation = 0 dB MIC3L/MIC3R inputs routed to single ADC, input mix 80 attenuation = 12 dB Input level control minimum 0 dB attenuation setting Input level control maximum 12 dB attenuation setting Input signal level Differential Input 1.414 VRMS Signal-to-noise ratio, Fs = 48 ksps, 0 dB PGA gain, Inputs ac-shorted to ground, 92 dB A-weighted(1)(2) Differential Mode Fs = 48 ksps, 0-dB PGA gain, –2dB full-scale 1kHz input THD Total harmonic distortion –91 dB signal, Differential Mode ANALOG PASS THROUGH MODE MIC1/LINE1 to LINE_OUT 330 Input to output switch resistance, Ω (rdsON) MIC2/LINE2 to LINE_OUT 330 ADC DIGITAL DECIMATION FILTER, Fs = 48 kHz Filter gain from 0 to 0.39 Fs ±0.1 dB Filter gain at 0.4125 Fs –0.25 dB Filter gain at 0.45 Fs –3 dB Filter gain at 0.5 Fs –17.5 dB Filter gain from 0.55 Fs to 64 Fs –75 dB Filter group delay 17/Fs s (1) Ratio of output level with 1-kHz full-scale sine-wave input, to the output level with the inputs short circuited, measured A-weighted over a 20-Hz to 20-kHz bandwidth using an audio analyzer. (2) All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter removes out-of-band noise, which, although not audible, may affect dynamic specification values. 7 Submit Documentation Feedback |
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