COMBO II Programmable PCM CODEC/Filter

The TP3070 and TP3071 are second-generation combined PCM CODEC and Filter devices optimized for digital switching applications on subscriber line and trunk cards. Using advanced switched capacitor techniques, COMBO II combines transmit bandpass and receive lowpass channel Filters with a companding PCM encoder and decoder. The devices are A-law and ?-law selectable and employ a conventional serial PCM Interface capable of being clocked up to 4.096 MHz. A number of programmable functions may be controlled via a serial control port.
Channel gains are programmable over a 25.4 dB range in each direction, and a programmable Filter is included to enable Hybrid Balancing to be adjusted to suit a wide range of loop impedance conditions. Both transformer and active SLIC Interface circuits with real or complex termination impedances CAN be balanced by this Filter with cancellation in excess of 30 dB being readily achievable when measured across the passband against standard test termination networks.
To enable COMBO II to Interface to the SLIC control leads, a number of programmable Latches are included; each may be configured as either an input or an output. The TP3070 provides 6 Latches and the TP3071 5 Latches
See also AN-614, COMBO II application guide.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
TP3071N-G/NOPB Texas Instruments COMBO II Programmable PCM CODEC/Filter 20-PDIP
TP3071N-G Texas Instruments COMBO II Programmable PCM CODEC/Filter 20-PDIP
TP3071 's PackagesTP3071 's pdf datasheet

TP3071 Pinout, Pinouts
TP3071 pinout,Pin out
This is one package pinout of TP3071,If you need more pinouts please download TP3071's pdf datasheet.

TP3071 Application circuits
TP3071 circuits
This is one application circuit of TP3071,If you need more circuits,please download TP3071's pdf datasheet.

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