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ADC0831A Fiches technique(PDF) 4 Page - Texas Instruments |
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ADC0831A Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 9 page ADC0831A, ADC0832A, ADC0831B, ADC0832B A/D PERIPHERALS WITH SERIAL CONTROL SLAS006 – AUGUST 1985 – REVISED JUNE 1986 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 absolute maximum ratings over recommended operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) 6.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range: Logic – 0.3 V to 15 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Analog – 0.3 V to VCC + 0.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input current ±5 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total input current for package ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: C-suffix 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-suffix – 40 °C to 85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NOTE 1: All voltage values, except differential voltages, are with respect to the network ground terminal. recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage 4.5 5 6.3 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V fclock Clock frequency 10 400 kHz Clock duty cycle (see Note 2) 40 60 % twH(C S) Pulse duration, CS high 220 ns tsu Setup time, CS low or ADC0832 data valid before CLK ↑ 350 ns th Hold time, ADC0832 data valid after CLK ↑ 90 ns TA Operating free air temperature C-suffix 0 70 °C TA Operating free-air temperature I-suffix –40 85 °C NOTE 2: The clock duty cycle range ensures proper operation at all clock frequencies. If a clock frequency is used outside the recommended duty cycle range, the minimum pulse duration (high or low) is 1 µs. electrical characteristics over recommended range of operating free-air temperature, VCC = 5 V, fclock = 250 kHz (unless otherwise noted) digital section PARAMETER TEST CONDITIONS { C SUFFIX I SUFFIX UNIT PARAMETER TEST CONDITIONS { MIN TYP‡ MAX MIN TYP‡ MAX UNIT VOH High level output voltage VCC = 4.75 V, IOH = – 360 µA 2.8 2.4 V VOH High-level output voltage VCC = 4.75 V, IOH = – 10 µA 4.6 4.5 V VOL Low-levl output voltage VCC = 4.75 V, IOL = 1.6 mA 0.34 0.4 V IIH High-level input current VIH = 5 V 0.005 1 0.005 1 µA IIL Low-level input current VIL = 0 – 0.005 –1 – 0.005 –1 µA IOH High-level output (source) current VOH = VO, TA = 25°C – 6.5 –14 – 6.5 –14 mA IOL Low-level output (sink) current VOL = VCC, TA = 25°C 8 16 8 16 mA IOZ High-impedance-state output VO = 5 V, TA = 25°C 0.01 3 0.01 3 µA IOZ g current (DO) VO = 0, TA = 25°C – 0.01 –3 – 0.01 –3 µA Ci Input capacitance 5 5 pF Co Output capacitance 5 5 pF † All parameters are measured under open-loop conditions with zero common-mode input voltage. ‡ All typical values are at VCC = 5 V, TA = 25°C. |
Numéro de pièce similaire - ADC0831A |
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Description similaire - ADC0831A |
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