LM12454_14 datasheet(19/45 Pages) TI1 | LM12454/LM12458/LM12H458 12-Bit + Sign Data Acquisition System with Self-Calibration

Part No.	LM12454

Description	LM12454/LM12458/LM12H458 12-Bit Sign Data Acquisition System with Self-Calibration

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LM12454, LM12458, LM12H458

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SNAS079A – MAY 2004 – REVISED FEBRUARY 2006

Typical Performance Characteristics (continued)

(1) The following curves apply for 12-bit + sign mode after auto-calibration unless otherwise specified. The performance for 8-

bit + sign and “watchdog” modes is equal to or better than shown.

Zero Error Change

vs. Reference Voltage

vs. Supply Voltage

Analog Supply Current

Digital Supply Current

vs. Temperature

vs. Clock Frequency

Digital Supply Current

vs. Temperature

VREFOUT Load Regulation

VREFOUT Line Regulation

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