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LM12454 Datasheet(PDF) 7 Page - Texas Instruments |
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LM12454 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 45 page ![]() LM12454, LM12458, LM12H458 www.ti.com SNAS079A – MAY 2004 – REVISED FEBRUARY 2006 Converter Characteristics (1) (2) (3) (4) (continued) The following specifications apply to the LM12454, LM12458, and LM12H458 for VA+ = VD+ = 5V, VREF+ = 5V, VREF− = 0V, 12- bit + sign conversion mode, fCLK = 8.0 MHz (LM12H458) or fCLK = 5.0 MHz (LM12454/8), RS = 25Ω, source impedance for VREF+ and VREF− ≤ 25Ω, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C. Symbol Parameter Conditions Typical (5) Limits (6) Units Zero Error VA+ = VD+ = 5V ±10% ±0.2 ±1.75 LSB (max) Power Supply PSS Full-Scale Error VREF+ = 4.5V, VREF− = GND ±0.4 ±2 LSB (max) Sensitivity (11) Linearity Error ±0.2 LSB CREF VREF+/VREF− Input Capacitance 85 pF Selected Multiplexer Channel Input CIN 75 pF Capacitance (11) Power Supply Sensitivity is measured after Auto-Zero and/or Auto-Calibration cycle has been completed with VA+ and VD+ at the specified extremes. Copyright © 2004–2006, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM12454 LM12458 LM12H458 |
Similar Part No. - LM12454_14 |
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Similar Description - LM12454_14 |
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