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TLV0834CPWR データシート(PDF) 8 Page - Texas Instruments |
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TLV0834CPWR データシート(HTML) 8 Page - Texas Instruments |
8 / 27 page TLV0834C, TLV0834I, TLV0838C, TLV0838I 3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL SLAS147B – SEPTEMBER 1996 – REVISED OCTOBER 2000 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended range of operating free-air temperature, VCC = 3.3 V, f(CLK) = 250 kHz (unless otherwise noted) (continued) analog and converter section PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT – 0.05 VIC Common-mode input voltage See Note 3 to V IC g VCC + 0.05 On channel VI = 3.3 V 1 II( tdb ) Standby input current (see Note 4) Off channel VI = 0 –1 µA 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 total device PARAMETER MIN TYP‡ MAX UNIT ICC Supply current 0.2 0.75 mA † 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 condition. operating characteristics, VCC = 3.3 V, f(CLK) = 250 kHz, tr = tf = 20 ns, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS§ MIN TYP MAX UNIT Supply-voltage variation error VCC = 3 V to 3.6 V ±1/16 ±1/4 LSB Total unadjusted error (see Note 5) Vref = 3.3 V, TA = MIN to MAX ±1 LSB Common-mode error Differential mode ±1/16 ±1/4 LSB t d Propagation delay time, output data after MSB-first data CL = 100pF 500 ns tpd gy , CLK ↓ (see Note 6) LSB-first data CL = 100pF 200 ns tdi Output disable time DO or SARS after CS ↑ CL = 10 pF, RL = 10 kΩ 80 ns tdis Output disable time, DO or SARS after CS ↑ CL = 100 pF, RL = 2 kΩ 250 ns tc Conversion time (multiplexer-addressing time not included) 8 clock periods § All parameters are measured under open-loop conditions with zero common-mode input voltage. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTES: 5. Total unadjusted error includes offset, full-scale, linearity, and multiplexer errors. 6. The MSB-first data is output directly from the comparator and, therefore, requires additional delay to allow for comparator response time. |
同様の部品番号 - TLV0834CPWR |
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同様の説明 - TLV0834CPWR |
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