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MX128

Features: · Full-Duplex Audio Processing· On-Chip Filters· Carrier Rejection >55dB· Uses IF (10.24 MHz) Clock· Excellent Audio Quality· Low Power Operation (3.0V)· Battery Powered PortabilityApplication· Cordless Telephones· Wireless PBX· Two-Way Radio· Leisure Radio (FRS, GMRS, MURS, PMR446)Sp...

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SeekIC No. : 004431520 Detail

MX128: Features: · Full-Duplex Audio Processing· On-Chip Filters· Carrier Rejection >55dB· Uses IF (10.24 MHz) Clock· Excellent Audio Quality· Low Power Operation (3.0V)· Battery Powered PortabilityAppl...

MX128 Data Sheet

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Part Number:
MX128
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

·  Full-Duplex Audio Processing
·  On-Chip Filters
·  Carrier Rejection >55dB
·  Uses IF (10.24 MHz) Clock
·  Excellent Audio Quality
·  Low Power Operation (3.0V)
·  Battery Powered Portability


Application

·  Cordless Telephones
·  Wireless PBX
·  Two-Way Radio
·  Leisure Radio (FRS, GMRS, MURS, PMR446)


Specifications

General Min. Max. Units
Supply (VDD - VSS) -0.3 7.0 V
Voltage on any pin to VSS -0.3 VDD + 0.3 V
Current in or out VDD and VSS pins -30 +30 mA
Current in or out of any other pin -20 +20 mA
E4/P3/D4 Packages Min. Max. Units
Total Device Dissipation (P3 and D4) at TAMB = 25 - 1000 mW
...Derating (P3 and D4) - 13 mW/
Total Device Dissipation (E4) at TAMB = 25 - 400 mW
...Derating (E4) - 5.3 mW/
Storage Temperature -55 +125
Operating Temperature -40 +85



Description

The FX/MX128 is a full-duplex frequency inversion scrambler designed to provide secure conversations.

The Rx and Tx audio paths consist of the following:

1. A switched-capacitor balanced modulator with high baseband and carrier rejection.

2. A 3.3 kHz inversion carrier (injection tone).

3. A 3100 Hz lowpass filter.

4. Input op-amps with externally adjustable gain.

The FX/MX128 uses mixed signal CMOS switched-capacitor filter technology and operates from a single supply in the range of 3.0 to 5.5 volts. The inversion carrier's frequency and filter switching clock are generated on-chip using an external 10.24 MHz or 3.58/3.6864 MHz crystal or clock input (selectable).

This MX128 is available in the following package styles: 16-pin SOIC,TSSOP and PDIP.




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