SAA2023 Overview
The SAA2023 performs the drive processor function in the DCC system. This function is built up of digital equalizer, error correction and tape formatting functions. The digital equalizer is intended for use with DCC read amplifiers TDA1318 or TDA1380.
SAA2023 Key Features
- Operating supply voltage: 4.5 to 5.5 V
- Low power dissipation: 260 mW at 5.0 V
- Single chip digital equalizer, tape formatting and error correction
- 8-bit flash analog-to-digital converter (ADC) for low symbol error rate
- Two switchable Infinite Impulse-Response (IIR) filter sections
- 10-tap Finite Impulse-Response (FIR) filter per main data channel, with 8 bit coefficients, identical for all main chann
- 10-tap FIR filter for the AUX channel
- Analog and digital eye outputs
- Interrupt line triggered by internal auxiliary envelope processing e.g. label, counter, and others
- Robust programmable digital PLL clock extraction unit