Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- KEY SPECIFICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- OPERATING RATINGS
- CONVERTER CHARACTERISTICS
- CONVERTER AC CHARACTERISTICS
- DC CHARACTERISTICS
- INTERNAL REFERENCE CHARACTERISTICS
- DIGITAL CHARACTERISTICS
- DIGITAL TIMING CHARACTERISTICS
- TYPICAL PERFORMANCE CHARACTERISTICS
- TYPICAL DYNAMIC PERFORMANCE CHARACTERISTICS
- TEST CIRCUITS and WAVEFORMS
- TIMING DIAGRAMS
LM12454, LM12458, LM12H458
www.ti.com
SNAS079A –MAY 2004–REVISED FEBRUARY 2006
TYPICAL PERFORMANCE CHARACTERISTICS
(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.
Linearity Error Change Linearity Error Change
vs. Clock Frequency vs. Temperature
Figure 8. Figure 9.
Linearity Error Change Linearity Error Change
vs. Reference Voltage vs. Supply Voltage
Figure 10. Figure 11.
Full-Scale Error Change Full-Scale Error Change
vs. Clock Frequency vs. Temperature
Figure 12. Figure 13.
(1) With the test condition for V
REF
(V
REF+
− V
REF−
) given as +5V, the 12-bit LSB is 1.22 mV and the 8-bit/“Watchdog” LSB is 19.53 mV.
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