Resistor Network Simulation for CDAC Range in TINA Software
Explore resistor network simulations for CDAC range using TINA software, covering various scenarios such as voltage sweeps, resistance sweeps, and external reference utilization. The simulations involve different voltage inputs, resistor adjustments, and VCDAC monitoring, providing valuable insights into circuit behavior and performance.
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CDAC Range Simulation Vin 0V to +5V (RADJ = 33.2kOhm) TINA Simulation VIN DC: 0-5V Sweep Schematic Monitor VCDAC R1B 200 R1IN 9.8k R2B 100 R2IN 4.9k VCDAC R3IN 2.5k + RADJ 33.2k Vin -100m R4 10k IOP1 VREF_EXT 2.5 - + R2 4k + VREF 2.5 2
CDAC Range Simulation VIN 0V to 5V (RADJ = 33.2kOhm) TINA Simulation DC Sweep VIN: 0V-5V Sweep VCDAC Range: ~314.3mV to 2.8143V Radjust = 33.2kOhm 3
Resistance Sweep. VIN=-0.1V RADJ = 33.2kOhm to 0 Ohm; solve for VCDAC ~314mV TINA Simulation Resistor Sweep Solve for VCDAC: ~314.3mV Radjust = 1.00617kOhm 4
CDAC Range Simulation VIN = -0.1V to 4.9V (RADJ = 1.006kOhm) TINA Simulation VIN DC: -0.1V - 4.9V Sweep Schematic Monitor VCDAC Since internal buffer has current limit to ~100uA, Use external Reference (REF5025) to drive RADJ R1B 200 R1IN 9.8k R2B 100 R2IN 4.9k VCDAC R3IN 2.5k + RADJ 33.2k Vin -100m R4 10k IOP1 VREF_EXT 2.5 - + R2 4k + VREF 2.5 5
CDAC Range Simulation VIN -0.1V to 4.9V (RADJ = 1.006kOhm) TINA Simulation DC Sweep VIN: -0.1V-4.9V Sweep VCDAC Range: ~314.3mV to 2.8143V Radjust = 1.006kOhm 6
