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TLC3548CPW Datasheet(PDF) 6 Page - Texas Instruments |
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TLC3548CPW Datasheet(HTML) 6 Page - Texas Instruments |
6 / 40 page TLC3544, TLC3548 5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS SLAS266C – OCTOBER 2000 – REVISED MAY 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 general electrical characteristics over recommended operating free-air temperature range, single-ended input, normal long sampling, 200 KSPS, AVDD = 5 V, external reference (VREFP = 4 V, VREFM = 0 V) or internal reference, SCLK frequency = 25 MHz, fixed channel at CONV mode 00, analog input signal source resistance = 25 Ω (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Digital Input VIH High level control input voltage DVDD = 5 V 3.8 V VIH High-level control input voltage DVDD = 3 V 2.1 V VIL Low-level control input voltage DVDD = 5 V 0.8 V VIL Low level control in ut voltage DVDD = 3 V 0.6 V IIH High-level input current VI = DVDD 0.005 2.5 µA IIL Low-level input current VI = DGND –2.5 0.005 µA Input capacitance 20 25 pF Digital output VOH High-level digital output, IO = 02 mA DVDD = 5 V 4.2 V VOH High level digital out ut, VOH at 30-pF load IO = –0.2 mA DVDD = 3 V 2.4 V DVDD =5V IO = 0.8 mA 0.4 VOL Low-level digital output, DVDD = 5 V IO = 50 µA 0.1 V VOL Low level digital out ut, VOL at 30-pF load DVDD =3V IO = 0.8 mA 0.4 V OL DVDD = 3 V IO = 50 µA 0.1 IOZ Off-state output current VO = DVDD CS DV 0.02 1 µA IOZ Off state out ut current (high-impedance state) VO = DGND CS = DVDD –1 –0.02 µA Power Supply AVDD Supply voltage 4.5 5 5.5 V DVDD Supply voltage 2.7 5 5.5 V ICC Power supply AVDD current- AICC Conversion clock is internal OSC, EXT reference AVDD =5 5Vto4 5V 2.8 3.6 mA ICC Power su ly current DVDD current- DICC EXT. reference, AVDD = 5.5 V to 4.5 V, CS = DGND 1.2 2 mA ICC(SW) Sft d l t For all digital inputs DVDD or DGND CS =DVDD SCLK ON 175 240 µA ICC(SW) Software power-down power supply current DGND, CS = DVDD, AVDD = 5.5 V SCLK OFF 20 µA ICC(A t d ) Autopower-down power supply For all digital inputs DVDD or DGND AVDD =5 5V SCLK ON 175 230 µA ICC(Autodown) Autopower-down power supply current DGND, AVDD = 5.5 V, External reference SCLK OFF 20 µA Operating temperat re C suffix 0 70 °C Operating temperature I suffix –40 85 °C † All typical values are at TA = 25°C. |
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