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