LM12454_14 Datasheet, PDF (21/45 Pages) Texas Instruments – LM12454/LM12458/LM12H458 12-Bit + Sign Data Acquisition System with Self-Calibration

LM12454, LM12458, LM12H458
www.ti.com
SNAS079A – MAY 2004 – REVISED FEBRUARY 2006
Typical Dynamic Performance Characteristics (continued)
The following curves apply for 12-bit + sign mode after auto-calibration unless otherwise specified.
Unipolar Signal-to-Noise
+ Distortion Ratio
vs. Input Signal Level
Unipolar Spectral Response
with 1.028 kHz Sine Wave Input
Unipolar Spectral Response
with 10 kHz Sine Wave Input
Unipolar Spectral Response
with 20 kHz Sine Wave Input
Unipolar Spectral Response
with 40 kHz Sine Wave Input
Test Circuits and Waveforms
Figure 9. TRI-STATE Test Circuits and Waveforms
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