Description
LM12454, LM12458, LM12H458 www.ti.com SNAS079A * MAY 2004 * REVISED FEBRUARY 2006 LM12454/LM12458/LM12H458 12-Bit + Sign Data Acqui.
The LM12458, and LM12H458 are highly integrated Data Acquisition Systems.
Features
* 1
* 23 Three operating modes: 12-bit + sign, 8-bit + sign, and “watchdog”
* Single-ended or differential inputs
* Built-in Sample-and-Hold and 2.5V bandgap
reference
* Instruction RAM and event sequencer
* 8-channel multiplexer
* 32-word conversion FIFO
Applications
* Data Logging
* Instrumentation
* Process Control
* Energy Management
* Inertial Guidance
KEY SPECIFICATIONS
* Resolution: 12-bit + sign or 8-bit + sign
* 13-bit conversion time: 8.8 μs, 5.5 μs (H) (max)
* 9-bit conversion time: 4.2 μs