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LM12454CIV Folha de dados(PDF) 4 Page - National Semiconductor (TI) |
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LM12454CIV Folha de dados(HTML) 4 Page - National Semiconductor (TI) |
4 / 43 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V A+ and VD+) 6.0V Voltage at Input and Output Pins except IN0–IN3 (LM12454) −0.3V to V + + 0.3V and IN0–IN7 (LM12(H)458) Voltage at Analog Inputs IN0–IN3 (LM12454) and IN0–IN7 (LM12(H)458) GND − 5V to V + +5V |V A+−VD+| 300 mV Input Current at Any Pin (Note 3) ±5mA Package Input Current (Note 3) ±20 mA Power Dissipation (T A = 25˚C) V Package (Note 4) 875 mW Storage Temperature −65˚C to +150˚C Lead Temperature V Package, Infrared, 15 sec. +300˚C EL and W Packages, Solder, 10 sec. +250˚C ESD Susceptibility (Note 5) 1.5 kV LM12458MEL/883 2.0 kV See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface mount devices. Operating Ratings (Notes 1, 2) Temperature Range (T min ≤ TA ≤ Tmax) LM12454CIV/ LM12(H)458CIV −40˚C ≤ T A ≤ 85˚C LM12458MEL/883 −55˚C ≤ T A ≤ 125˚C Supply Voltage V A+, VD+ 3.0V to 5.5V |V A+−VD+| ≤100 mV V IN+ Input Range GND ≤ V IN+ ≤ VA+ V IN− Input Range GND ≤ V IN− ≤ VA+ V REF+ Input Voltage 1V ≤ V REF+ ≤ VA+ V REF− Input Voltage 0V ≤ V REF− ≤ VREF+ −1V V REF+ −VREF− 1V ≤ V REF ≤ VA+ V REF Common Mode Range (Note 16) 0.1 V A + ≤ V REFCM ≤ 0.6 VA + Converter Characteristics (Notes 6, 7, 8, 9, 19) The following specifications apply to the LM12454, LM12458, and LM12H458 for V A+ = VD+ = 5V, VREF+ = 5V, VREF− = 0V, 12-bit + sign conversion mode, f CLK = 8.0 MHz (LM12H458) or fCLK = 5.0 MHz (LM12454/8), RS = 25Ω, source impedance for V REF+ and VREF− ≤ 25Ω, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless otherwise specified. Boldface limits apply for T A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C. Symbol Parameter Conditions Typical Limits Unit (Note 10) (Note 11) (Limit) ILE Positive and Negative Integral After Auto-Cal (Notes 12, 17) ±1/2 ±1 LSB (max) Linearity Error TUE Total Unadjusted Error After Auto-Cal (Note 12) ±1 LSB Resolution with No Missing Codes After Auto-Cal (Note 12) 13 Bits (max) DNL Differential Non-Linearity After Auto-Cal ±3⁄4 LSB (max) Zero Error After Auto-Cal (Notes 13, 17) ±1 LM12H458 ±1/2 ±1.5 LSB (max) Positive Full-Scale Error After Auto-Cal (Notes 12, 17) ±1/2 ±2 LSB (max) LM12(H)458MEL ±2.5 Negative Full-Scale Error After Auto-Cal (Notes 12, 17) ±1/2 ±2 LSB (max) LM12(H)458MEL ±2.5 DC Common Mode Error (Note 14) ±2 ±3.5 LSB (max) ILE 8-Bit + Sign and “Watchdog” (Note 12) Mode Positive and Negative ±1/2 LSB (max) Integral Linearity Error TUE 8-Bit + Sign and “Watchdog” Mode After Auto-Zero ±1/2 ±3/4 LSB (max) Total Unadjusted Error 8-Bit + Sign and “Watchdog” Mode 9 Bits (max) Resolution with No Missing Codes DNL 8-Bit + Sign and “Watchdog” Mode ±3/4 LSB (max) Differential Non-Linearity 8-Bit + Sign and “Watchdog” Mode After Auto-Zero ±1/2 LSB (max) Zero Error 8-Bit + Sign and “Watchdog” Positive ±1/2 LSB (max) and Negative Full-Scale Error www.national.com 4 |
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