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TSC2111 Datasheet(PDF) 7 Page - Texas Instruments |
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TSC2111 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 99 page TSC2111 SLAS495− JUNE 2006 www.ti.com 7 ELECTRICAL CHARACTERISTICS (continued) At +25 °C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS DAC SPEAKER OUTPUT Load = 8 Ω (differential), 50 pF Full-scale output voltage (0 dB) 1.838 Vrms Output common mode 1.75 V SNR Measured as idle channel noise, A-weighted 90 99 dBA THD −1 dBFS Input, 0-dB gain −75 −55 dB 217 Hz, 100 mV on AVDD1/2 74 PSRR 217 Hz, 100 mV on BVDD 72 dB PSRR 1020 Hz, 100 mV on AVDD1/2 74 dB 1020 Hz, 100 mV on BVDD 72 Interchannel isolation Coupling from ADC to DAC 90 dB Mute attenuation 120 dB Maximum output power 400 mW CELLPHONE MIC INPUT TO CP_OUT 1020-Hz Sine wave input on MICIN_HND, load on CP_OUT = 10 k Ω, 50 pF Full-scale input voltage (0 dB) 0.707 Vrms Input common mode 1.5 V Full-scale output voltage (0 dB) 0.707 Vrms Output common mode 1.5 V SNR Measured as idle channel noise, A-weighted 89 dBA THD 0 dBFS Input, 0-dB gain −75 dB MICSEL TO CP_OUT(Differential) CP_OUTP−CP_OUTN 1020-Hz Sine wave input on MICIN_HND, load between CP_OUT−CP_OUTN = 10 k Ω, 50 pF Full-scale input voltage (0 dB) 0.707 Vrms Input common mode 1.5 V Full-scale output voltage (0 dB) 1.414 Vrms Output common mode 1.5 V SNR Measured as idle channel noise, A-weighted 80 96 dBA THD 0 dBFS Input, 0-dB gain −92 −60 dB PSRR 217 Hz, 100 mV on AVDD1/2 49 dB PSRR 1020 Hz, 100 mV on AVDD1/2 49 dB Interchannel isolation CP_IN to CP_OUT (Differential) 80 dB Mute attenuation CP_OUT (Differential) muted 120 dB |
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