This document introduces the CXD4016R, a digital signal processing IC for infrared digital audio transmission (compliant with IEC61603-8-1) in consumer devices. The CXD4016R features an integrated RF D/A converter and PLL, enabling stable operation and uncomplicated adjustment. It supports multiple audio sampling frequencies (32kHz, 44.1kHz, and 48kHz) and can directly output RF signals. It does not require external RAM or PLL. Additionally, it provides interfaces for various audio A/D converters and automatically generates Reed-Solomon parity for infrared digital audio transmission formats. The CXD4016R simplifies external analog circuits through its built-in digital filter and RF D/A converter.
The CXD4016R is a Sony‑manufactured digital signal‑processing IC for infrared space digital audio transmission. It integrates a RF‑DA converter and PLL, enabling fully digital operation without external RAM or PLL.
The document details the device’s features, pin assignments, electrical characteristics, package information, and oscillator specifications, allowing designers to integrate the IC into consumer audio equipment. This manual is written in Japanese.
| Supply voltage (Vpp) | 2.5 V ±0.2 V |
|---|---|
| Operating temperature range | -40 °C to +85 °C |
| Supported audio sampling frequencies | 32 kHz, 44.1 kHz, 48 kHz |
| Package type | 64‑pin LQFP (plastic) |
| Master oscillator frequency | 24.576 MHz |
The device operates from a 2.5 V supply with a tolerance of ±0.2 V.
It supports 32 kHz, 44.1 kHz, and 48 kHz audio sampling frequencies.
The IC is supplied in a 64‑pin LQFP plastic package.
It is rated for operation from –40 °C to +85 °C.