TP3094V Integrated Circuit Chip New & Original Quad PCM Codec/Filter
electronic integrated circuit
,linear integrated circuits
TP3094 COMBO® Quad PCM Codec/Filter
General Description
The TP3094 is a monolithic PCM Codec and Filter device implemented using a digital signal processing architecture. It provides four voice channels, combining transmit bandpass and receive low pass channel filters with companding Alaw or m-law PCM encoders and decoders. The device is fabricated using National’s advanced CMOS process.
The device includes anti-aliasing filters and sigma-delta converters dedicated to each channel, and by a common signal processing unit which performs all the remaining filtering and processing for the four channels.
The TP3094 includes a flexible PCM digital interface, which allows the device to be connected to PCM busses of different formats. It can also be connected with other TP3094 devices in a cascade fashion, for a system with up to 128 POTS interfaces (when a 2.048MHz PCM bus is used).
Features
• Handles four voice channels
• Complete Codec and Filter system including:
- Transmit and receive channel filters
- A-law or m-law companding encoder/decoder
• Power down mode for low power consumption
• Compatible to standard time division multiplexed PCM bus
- 8 bit mode, frame signal from external reference
- 32 bit mode, internal TSA, with consecutive TS
• Up to 128 channels (32 devices) can be cascaded
• Programmable functions (common for all 4 channels):
- A-law or m-law
- Single MCLK clock,automatically selectable from 8.192MHz, 4.096MHz, 2.048MHz and
1.536/1.544MHz
- Digital and Analog loopback test modes
• Designed for CCITT and LSSGR applications
• Single +5V power supply
• 44 lead PLCC surface mount package
• Maximize line card circuit density
• Use in Central Office, Loop Carrier, and PBX equipment subscriber line and trunk cards
• Wide operating temperature range -40°C to 85°C
Absolute Maximum Ratings
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications.
VCC to DGND 7V
Voltage at any digital inputs or outputs VCC +0.3V to DGND -0.3V
Voltage at any analog inputs or outputs VCC +0.3V to AGND-0.3V
Storage temperature range -65℃ to +150℃
Lead temperature(Soldering, 10 Sec) 260℃
ESD (human body model) 2000 V
Latch-up immunity on any pin 200 mA
Connection Diagram
Simplified Block Diagram
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