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TLV320AIC31IRHBR Datasheet(PDF) 6 Page - Burr-Brown (TI) |
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TLV320AIC31IRHBR Datasheet(HTML) 6 Page - Burr-Brown (TI) |
6 / 77 page www.ti.com TLV320AIC31 SLAS497A – AUGUST 2006 – REVISED SEPTERMBER 2006 ELECTRICAL CHARACTERISTICS (continued) 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 DAC Differential Line output, load = 10 k Ω, 50 pF 1.414 VRMS Full-scale differential output 0-dB gain to line outputs. DAC output common-mode voltage setting = 1.35 V, output level control gain = 0-dB 4.0 VPP Signal-to-noise ratio, Fs = 48 kHz, 0-dB gain to line outputs, zero signal 90 100 dB A-weighted(3) applied, referenced to full-scale input level Fs = 48 kHz, 0-dB gain to line outputs, Dynamic range, A-weighted 100 dB 1 kHz –60 dB signal applied Total harmonic distortion Fs = 48 kHz, 1 kHz 0 dB input signal applied –93 –75 dB Power supply rejection ratio 234 Hz, 100 mVpp on AVDD, DRVDD1/2 81 dB DAC channel separation (left to 1-kHz, 0-dB –100 dB right) DAC interchannel gain mismatch 1 kHz input, 0dB gain 0.1 dB DAC Gain Error 1 kHz input, 0dB gain –0.26 dB DAC DIGITAL INTERPOLATION Fs = 48-kHz FILTER Passband High-pass filter disabled 0.45 ×Fs Hz Passband ripple High-pass filter disabled ±0.06 dB Transition band 0.45 ×Fs 0.55 ×Fs Hz Stopband 0.55 ×Fs 7.5 ×Fs Hz Stopband attenuation 65 dB Group delay 21/Fs Sec STEREO HEADPHONE DRIVER AC-coupled output configuration(4) 0-dB gain to high power outputs. Output 0-dB full-scale output voltage 0.707 VRMS common-mode voltage setting = 1.35 V First option 1.35 Programmable output common Second option 1.50 mode voltage (applicable to Line V Third option 1.65 Outputs also) Fourth option 1.8 Maximum programmable output 9 dB level control gain Programmable output level 1 dB control gain step size RL = 32 Ω 15 PO Maximum output power mW RL = 16 Ω 30 Signal-to-noise ratio, 94 dB A-weighted(5) –77 1-kHz output, PO = 10 mW, RL = 32 Ω 0.014% –80 1-kHz output, PO = 20 mW, RL = 32 Ω 0.01% Total harmonic distortion dB –77 1-kHz output, PO = 20 mW, RL = 16 Ω 0.014% –76 1-kHz output, PO = 30 mW, RL = 16 Ω 0.016% (3) Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16- Ω single-ended load. (4) Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16- Ω single-ended load. (5) Ratio of output level with a 1-kHz full-scale input, to the output level playing an all-zero signal, measured A-weighted over a 20-Hz to 20-kHz bandwidth. 6 Submit Documentation Feedback |
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