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TP3067WM Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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TP3067WM Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  TLH5070 October 1991 TP3064 TP3067 ‘‘Enhanced’’ Serial Interface CMOS CODECFilter COMBO General Description The TP3064 (m-law) and TP3067 (A-law) are monolithic PCM CODECFilters utilizing the AD and DA conversion architecture shown in Figure 1 and a serial PCM interface The devices are fabricated using National’s advanced dou- ble-poly CMOS process (microCMOS) Similar to the TP305X family these devices feature an addi- tional Receive Power Amplifier to provide push-pull bal- anced output drive capability The receive gain can be ad- justed by means of two external resistors for an output level of up to g66V across a balanced 600X load Also included is an Analog Loopback switch and a TSX out- put See also AN-370 ‘‘Techniques for Designing with CODEC Filter COMBO Circuits’’ COMBO and TRI-STATE are registered trademarks of National Semiconductor Corpora- tion Features Y Complete CODEC and filtering system including Transmit high-pass and low-pass filtering Receive low-pass filter with sin xx correction Active RC noise filters m -law or A-law compatible COder and DECoder Internal precision voltage reference Serial IO interface Internal auto-zero circuitry Receive push-pull power amplifiers Y m -lawTP3064 Y A-lawTP3067 Y Designed for D3D4 and CCITT applications Y g 5V operation Y Low operating powertypically 70 mW Y Power-down standby modetypically 3 mW Y Automatic power-down Y TTL or CMOS compatible digital interfaces Y Maximizes line interface card circuit density Block Diagram TLH5070 – 1 FIGURE 1 C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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