Ridgetop's Audio DAC uses delta-sigma architecture. The DAC uses a digital interpolation filter, a digital second-order delta-sigma modulator, and a 32-tap analog reconstruction filter FIR. A fourth-order modulator is available to decrease oversampling ratio if the application requires. Applications for this core include audio commercial electronics, industrial control, and automotive.
Features
16-bits of resolution(14-bit accuracy)
100ksps sampling rate
Second-Order Digital Delta-Sigma Modulator
TSMC 0.25um Mixed Signal Process
3.0-3.6V analog supply voltage
2.25-2.75V digital supply voltage
Area 0.8mm2
Signal-to-Noise: 94dB at 50 kHz
Signal-to-Noise and Distortion: 92dB at 50kHz Input
Includes complimentary license of PDKChek die level process monitor
Deliverables
IP License Agreement
GDSII Layout
User's Manual
Integration Guide
Market Category
Automotive, Communications, Consumer Electronics, Industrial and Medical