GENERAL DESCRIPTION
Signal inputs and outputs are single-ended. External components are minimized. FEATURES
∆Σ Stereo ADC - 64x Oversampling - S/(N+D): 90dB at 5V, 86dB at 3V - Dynamic Range: 100dB at 5V, 96dB at 3V - S/N: 100dB at 5V, 96dB at 3V - Digital HPF for offset cancel ∆Σ Stereo DAC - 128x Oversampling - 2nd order SCF + 2nd order CTF - Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling - S/(N+D): 90dB at 5V, 90dB at 3V - Dynamic Range: 100dB at 5V, 96dB at 3V - S/N: 100dB at 5V, 96dB at 3V High Jitter Tolerance Sample Rate Ranging from 16kHz to 54kHz Master Clock: 256fs or 384fs 2.7 to 3.6V or 4.5 to 5.5V supply Low Power Dissipation: 255mW Small 28pin VSOP Package 0163-E-00 -1- 1997/3 ASAHI KASEI Ordering Guide AK4520A-VF AKD4520 -10∼ +70° C 28pin VSOP AK4520A Evaluation Board [AK4520A] Pin Layout 0163-E-00 -2- 1997/3 ASAHI KASEI [AK4520A] PIN/FUNCTION No. 1 Pin Name VREFH I/O I Function Positive Voltage Reference Input Pin, VA Used as a positive voltage reference by ADC & DAC.
Asahi Kasei Microdevices
