Le58QL021 Overview
The Le58QL02/021/031 Quad Low Voltage Subscriber Line Audio-Processing Circuit (QLSLAC™) devices integrate the key functions of analog line cards into high-performance, veryprogrammable, four-channel codec-filter devices. The QLSLAC devices are based on the proven design of Legerity’s reliable SLAC™ device families. The advanced architecture of the QLSLAC devices implements four independent channels and employs...
Le58QL021 Key Features
- Low-power, 3.3 V CMOS technology with 5-V tolerant
- Software and coefficient patible to the Le79Q02/
- Performs the functions of four codec/filters
- Software programmable
- SLIC device input impedance Transhybrid balance Transmit and receive gains Equalization (frequency response) Digital I/O
- Standard microprocessor interface
- A-law, µ-law, or linear coding
- Single or Dual PCM ports available
- Up to 128 channels (PCLK at 8.192 MHz) per PCM port
- Optional supervision on the PCM highway
