SAA3323 - Philips

SAA3323 Drive processor for DCC systems

The SAA3323 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. The tape formatting and error correction circuit is intended for use with PASC ICs SAA2003 and SAA2013, and .

Features

• Operating supply voltage: 2.7 to 3.6 V
• Low power dissipation: 84 mW (typ)
• 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 channels
• 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 prog.