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TLV0832CDRG4 データシート(PDF) 6 Page - Texas Instruments |
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TLV0832CDRG4 データシート(HTML) 6 Page - Texas Instruments |
6 / 21 page TLV0831C, TLV0831I TLV0832C, TLV0832I 3VOLT 8BIT ANALOGTODIGITAL CONVERTERS WITH SERIAL CONTROL SLAS148 − SEPTEMBER 1996 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended range of operating free-air temperature, VCC = 3.3 V, f(CLK) = 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 = 3 V, IOH = − 360 µA 2.8 2.4 V VOH High-level output voltage VCC = 3 V, IOH = − 10 µA 2.9 2.8 V VOL Low-level output voltage VCC = 3 V, IOL = 1.6 mA 0.34 0.4 V IIH High-level input current VIH = 3.6 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 At VOH, DO= 0 V, TA = 25°C − 6.5 −15 − 6.5 −15 mA IOL Low-level output (sink) current At VOL, DO= 0 V, TA = 25°C 8 −16 8 −16 mA IOZ High-impedance-state output VO = 3.3 V, TA = 25°C 0.01 3 0.01 3 A IOZ High-impedance-state output 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 = 3.3 V, TA = 25°C. analog and converter section PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT VIC Common-mode input voltage See Note 3 − 0.05 to VCC+ 0.05 V On channel VI = 3.3 V 1 II(stdby) Standby input current (see Note 4) Off channel VI = 0 −1 A II(stdby) Standby input current (see Note 4) On channel VI = 0 −1 µA Off channel VI = 3.3 V 1 ri(REF) Input resistance to REF 1.3 2.4 5.9 k Ω † All parameters are measured under open-loop conditions with zero common-mode input voltage. ‡ All typical values are at VCC = 3.3 V, TA = 25°C. NOTES: 3. When channel IN− is more positive than channel IN+, the digital output code is 0000 0000. Connected to each analog input are two on-chip diodes that conduct forward current for analog input voltages one diode drop above VCC. Care must be taken during testing at low VCC levels (3 V) because high-level analog input voltage (3.6 V) can, especially at high temperatures, cause the input diode to conduct and cause errors for analog inputs that are near full scale. As long as the analog voltage does not exceed the supply voltage by more than 50 mV, the output code is correct. To achieve an absolute 0- to 3.3-V input range requires a minimum VCC of 3.25 V for all variations of temperature and load. 4. Standby input currents go in or out of the on or off channels when the A/D converter is not performing conversion and the clock is in a high or low steady-state conditions. total device PARAMETER MIN TYP‡ MAX UNIT ICC Supply current TLV0831 0.2 0.75 mA ICC Supply current TLV0832 1.5 2.5 mA ‡ All typical values are at VCC = 3.3 V, TA = 25°C. |
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