Description

The HI2555, CXD2555 is a 1-bit stereo AD/DA converter featuring a 2nd-order DA system noise shaper. This LSI has also built-in digital filters and provides good cost performance.

Features

• Two-Channel AD/DA Converters and Their Respective Digital Filters for Decimation and Oversampling Into a

Single Chip

• Peripheral Analog Circuits for AD Converter Greatly Reduces External Elements

• Distortion (Typ)

- ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.01

- DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.008 (-3dB)

• S/N Ratio (Typ)

- ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86dB

- DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96dB

• Ripple in the Digital Filter Pass Band . . . . . . . ±0.05dB

• Attenuation in the Digital Filter Stop Band . . . . . . . .-45dB