Apple inc. (20240429931). Piecewise Linear Digital-to-Analog Converter Circuit
Contents
Piecewise Linear Digital-to-Analog Converter Circuit
Organization Name
Inventor(s)
Bogdan-Eugen Matei of Munich (DE)
Fabio Ongaro of Unterhaching (DE)
Ming Sun of Santa Clara CA (US)
Piecewise Linear Digital-to-Analog Converter Circuit
This abstract first appeared for US patent application 20240429931 titled 'Piecewise Linear Digital-to-Analog Converter Circuit
Original Abstract Submitted
a piecewise linear current-mode digital-to-analog converter circuit approximates an exponential output current over a range of input codes by generating linearly varying currents with different slopes of different ranges of the input codes. the piecewise linear current-mode digital-to-analog converter circuit includes a current generator circuit that generates the output current based on a reference voltage and a feedback signal. a variable resistance circuit is used to generate the feedback signal using the output current. respective values of the reference voltage and the variable resistance circuit vary as a function of the input code.
