X90100EVAL [RENESAS]

The X90100 is a non-volatile electronically programmable capacitor featuring internal EEPROM storage of programmed trim codes. It offers 32 programmable capacitance values from 7.5pF to 14.5pF in 0.23pF increments (single-ended mode). The device exhibits excellent linearity (<0.5 LSB error), fast adjustments (5µs max), and eliminates mechanical tuning. Key features include power-on recall, high stability dielectric, low voltage coefficient, virtually no dielectric absorption, and very low temperature drift in differential mode (<50ppm/°C). It uses a simple 3-wire digital interface (INC, U/D, CS) similar to Intersil's digitally controlled potentiometers.