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TLV320AIC26 Datasheet(PDF) 6 Page - Texas Instruments |
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TLV320AIC26 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 63 page TLV320AIC26 SLAS412− DECEMBER 2003 www.ti.com 6 ELECTRICAL CHARACTERISTICS At +25 °C, AVDD,DRVDD,IOVDD = 3.3 V, DVDD = 1.8 V, Int. Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS VOLTAGE REFERENCE Voltage range VREF output programmed as 2.5 V 2.3 2.5 2.7 V Voltage range VREF output programmed as 1.25 V 1.15 1.25 1.35 V Voltage range External VREF. By design, not tested in production. 1.2 2.55 V Reference drift Internal VREF = 1.25 V 29 ppm/ °C Current drain Extra current drawn when the internal reference is turned on. 650 µA DIGITAL INPUT / OUTPUT(1) Internal clock frequency 8.8 MHz Logic family CMOS Logic level: VIH IIH = +5 µA 0.7xIOVDD V VIL IIL = +5 µA −0.3 0.3xIOVDD V VOH IOH = 2 TTL loads 0.8xIOVDD V VOL IOL = 2 TTL loads 0.1xIOVDD V Capacitive load 10 pF POWER SUPPLY REQUIREMENTS Power supply voltage AVDD(2) 2.7 3.6 V DRVDD(2) 2.7 3.6 V IOVDD 1.1 3.6 V DVDD 1.525 1.95 V IAVDD 48 ksps, output drivers in low 2.2 Stereo audio playback IDRVDD 48 ksps, output drivers in low power mode, VGND off, PLL off 0 mA Stereo audio playback IDVDD power mode, VGND off, PLL off 2.4 mA IAVDD 2.9 Microphone record IDRVDD 48 ksps, no playback, PLL off 0 mA Microphone record IDVDD 48 ksps, no playback, PLL off 1.4 mA IAVDD Additional power consumed 0.1 PLL IDRVDD Additional power consumed when PLL is enabled. 1.3 mA PLL IDVDD when PLL is enabled. 0.9 mA IAVDD Additional power consumed 0.3 VGND IDRVDD Additional power consumed when VGND is powered. 0.9 mA VGND IDVDD when VGND is powered. 0 mA Hardware power down All currents 2 µA (1) Internal oscillator is designed to give nominally 8-MHz clock frequency. However, due to process variations, this frequency can vary from device to device. All calculations for delays and wait times in the data sheet assume an 8-MHz oscillator clock. (2) It is recommended that AVDD and DRVDD be set to the same voltage for the best performance. It is also recommended that these supplies be separated on the user’s PCB. |
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