Codec (coder-decoder)
National Semiconductor
- Complete CODEC and filtering system including:
- Transmit high-pass and low-pass filtering
- Receive low-pass filter with sin x/x correction
- Active RC noise filters
- µ-law or A-law compatible COder and DECoder
- Internal precision voltage reference
- Serial I/O interface
- Internal auto-zero circuitry
- Receive push-pull power amplifiers
- µ-law-TP3064
- A-law-TP3067
- Designed for D3/D4 and CCITT applications
- ±5V operation
- Low operating power-typically 70 mW
- Power-down standby mode-typically 3 mW
- Automatic power-down
- TTL or CMOS compatible digital interfaces
- Maximizes line interface card circuit density
