1. 12 bit SAR driver for TIVA MCU TM4C129ENCPDT
October 13, 2016
Errol Leon

2. TIVA MCU 12 bit SAR Driver Recommended Components Op-Amp use OPA320
Op Amp and passive RC value recommendations
Recommended Components
Op-Amp use OPA320
R1 use 100Ω
C1 use 100pF

3. TIVA MCU 12 bit SAR Driver
Calculations for RC and GBW values

4. TIVA MCU 12 bit SAR Driver
TINATI Schematic Model of 12bit SAR with SAR driver
The SAR converter was model from the TM4C129ENCPDT datasheet pages tacq (250ns) and tconv (1us) have a piecewise function made in the simulation to model the appropriate switching time to charge and discharge Csh.

5. TIVA MCU 12 bit SAR Driver
TINATI Simulation of 12bit SAR with SAR driver