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TLV320AIC27IPFB Datasheet(PDF) 8 Page - Texas Instruments |
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TLV320AIC27IPFB Datasheet(HTML) 8 Page - Texas Instruments |
8 / 10 page TLV320AIC27 STEREO AUDIO CODEC SLAS253A – MARCH 2000 – REVISED SEPTEMBER 2000 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over operating temperature range, AVDD = 5 V, DVDD = 3.3 V, GND = 0 V (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Mixer Circuit Specifications (AVDD = 5 V) 48-kHz sampling SNR CD path A-weighted (see Note 1) 90 95 dB SNR other paths A-weighted (see Note 1) 85 95 dB Maximum input voltage AVSS 1 AVDD Vrms Maximum output voltage on LINEOUT 1.0 1.8 Vrms THD 0-dB voltage input 74 90 dB Frequency response ( ±1 dB) 20 20000 Hz Input impedance (CD inputs) At any gain 15 k Ω Input impedance (other mixer inputs) At maximum gain 10 20 k Ω Input impedance (other mixer inputs) At 0-db gain 100 k Ω Input impedance mic inputs At maximum gain 10 20 k Ω Input impedance mic inputs At 0-db gain 110 k Ω PSRR 20 Hz to 20kHz 40 dB DAC Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling SNR A-weighted (see Note 1) 96 dB Full scale output voltage VREF = 1.65 V 0.7 Vrms THD –3-dB full-scale input 66 90 dB Frequency response 20 19200 Hz Transition band 19200 28800 Hz Stop band 28800 Hz Out-of-band rejection –40 dB Spurious-tone reduction –100 dB PSRR 20 Hz to 20 kHz 40 dB ADC-Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling SNR A-weighted (see Note 1) 85 dB ADC input for full-scale output VREF = 1.65 V 0.7 Vrms THD –6-dB voltage input 66 80 dB Frequency response 20 19200 Hz Transition band 19200 28800 Hz Stop band 28800 Hz Stop-band rejection –74 dB PSRR 20 Hz to 20 kHz 40 dB NOTE 1: SNR is the ratio of 0-dB signal output level to the output level with no signal, measured A-weighted over a 20 Hz to 20 kHz bandwidth. |
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