This document describes the functional block diagram and performance characteristics of a low-power analog front end with DSP microcomputer product, including ADC, DAC, serial port, arithmetic units, memory, etc.
The AD73411 is a single-chip device that integrates a single analog front end (AFE) and a microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications. The AFE section includes a 16-bit A/D converter and a 16-bit D/A converter, suitable for general-purpose applications such as speech and telephony.
| ADC Resolution | 16-bit A/D Converter |
|---|---|
| DAC Resolution | 16-bit D/A Converter |
| ADC SNR (Voiceband) | 76 dB |
| Maximum Sample Rate | 64 kS/s |
| Instruction Cycle Time | 19 ns @ 3.3 V |
| Sustained Performance | 52 MIPS |
| On-Chip RAM (AD73411-80) | 80K Bytes |
| On-Chip RAM (AD73411-40) | 40K Bytes |
| Operating Temperature Range | -20 °C to +85 °C |
The maximum sampling rate for the AFE is 64 kS/s.
The DSP engine has a 19 ns instruction cycle time at 3.3 V.