• Part: 73M1966B
  • Description: MicroDAA
  • Manufacturer: Teridian Semiconductor
  • Size: 1.08 MB
73M1966B Datasheet (PDF) Download
Teridian Semiconductor
73M1966B

Description

The 73M1866B and 73M1966B use the Teridian patented Data Access Arrangement function (MicroDAA®) designed exclusively for ForeignExchange-Office (FXO) in Voice-over-IP (VoIP) applications. These devices provide much of the circuitry required to connect PCM formatted voice channels to a PSTN via a two-wire twisted pair interface.

Key Features

  • PCM highway data interface supporting both slave and master modes
  • PCM highway interface supporting both E-1 and T-1
  • SPI control interface, with daisy chain support for up to 16 devices
  • Designed to meet global DAA pliance FCC, ETSI ES 203 021-2, JATE and other PTT standards
  • 8 kHz and 16 kHz sample rates
  • 16-bit linear mode
  • TX and RX gains adjustable in 0.125 dB increments
  • μ-Law, A-law ITU-T Remendation G.711 compliant pander operation
  • Automatic clock rate detection
  • Low power modes