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TLV320AIC32 Datasheet(PDF) 5 Page - Burr-Brown (TI) |
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TLV320AIC32 Datasheet(HTML) 5 Page - Burr-Brown (TI) |
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5 / 87 page  www.ti.com ELECTRICAL CHARACTERISTICS TLV320AIC32 SLAS479B – AUGUST 2005 – REVISED AUGUST 2006 At 25 °C, AVDD, 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 kHz, 0 dB PGA gain, MIC1/LINE1 inputs 80 92 dB A-weighted(1)(2) selected and AC-shorted to ground Fs = 48 kHz, 1-kHz –60 dB full-scale input applied at Dynamic range, A-weighted(1)(2) 92 dB MIC1/LINE1 inputs, 0-dB PGA gain –90 –75 dB Fs = 48 kHz, 1-kHz –2dB full-scale input applied at THD Total harmonic distortion MIC1/LINE1 inputs, 0-dB PGA gain 0.003% 0.017% Power supply rejection ratio 234 Hz, 100 mVpp on AVDD, DRVDD 46 dB 1 kHz, –2 dB MIC3L to MIC3R –80 ADC channel separation 1 kHz, –2 dB MIC2L to MIC2R –99 dB 1 kHz, –2 dB MIC1L to MIC1R –-73 ADC gain error 1 kHz input, 0 dB PGA gain 0.7 dB ADC programmable gain 1-kHz input tone, RSOURCE < 50 Ω 59.5 dB amplifier maximum gain ADC programmable gain 0.5 dB amplifier step size MIC1/LINE1 inputs, routed to single ADC 20 Input mix attenuation = 0 dB MIC2/LINE2 inputs, input mix attenuation = 0 dB 20 MIC3/LINE3 inputs, input mix attenuation = 0 dB 20 MIC1/LINE1 inputs, Input resistance k Ω 80 input mix attenuation = –12 dB MIC2/LINE2 inputs, 80 input mix attenuation = –12 dB MIC3/LINE3 inputs, 80 input mix attenuation = –12 dB Input capacitance MIC1/LINE1 inputs 10 pF Input level control minimum 0 dB attenuation setting Input level control maximum 12 dB attenuation setting Input level control attenuation 1.5 dB step size 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 Sec MICROPHONE BIAS 2.0 2.25 2.5 2.75 Bias voltage Programmable settings, load = 750 Ω V AVDD- 0.2 (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. 5 Submit Documentation Feedback |
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Similar Description - TLV320AIC32_07 |
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