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CMX618Q3

Description
PCM Codec, 1-Func, LQFP-48
CategoryWireless rf/communication    Telecom circuit   
File Size2MB,72 Pages
ManufacturerCML Microcircuits
Websitehttp://www.cmlmicro.com/
Environmental Compliance
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CMX618Q3 Overview

PCM Codec, 1-Func, LQFP-48

CMX618Q3 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeQFP
package instructionHVQCCN, LCC48,.27SQ,20
Contacts48
Reach Compliance Codecompliant
filterYES
JESD-30 codeS-XQCC-N48
length7 mm
Number of functions1
Number of terminals48
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC48,.27SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply1.8,3.3 V
Certification statusNot Qualified
Maximum seat height1 mm
Nominal supply voltage1.8 V
surface mountYES
Telecom integrated circuit typesPCM CODEC
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width7 mm
Base Number Matches1
CML Microcircuits
COMMUNICATION SEMICONDUCTORS
D/608_18_38/10
August 2012
CMX608/CMX618/
CMX638
RALCWI Vocoders
Provisional Issue
Features
Near Toll Quality RALCWI Coding Algorithm
Multiple Bit Rate Modes:
2050, 2400 or 2750 bps
3600 bps with FEC Enabled
4-bit Viterbi Soft Decision Decoding
Integrated Audio CODEC (CMX618/CMX638 only)
Integrated Input and Output Channel Filters
20ms, 40ms, 60ms and 80ms Packet Lengths
No Licensing or Royalty Payments
Ancillary Audio Functions:
Voice Activity Detector
Comfort Noise Generator
DTMF and Single Tone Regeneration
1.8V Low Power Operation, 3.3V Tolerant I/O
Small 48-pin LQFP and VQFN Packages
Applications
Digital PMR, LMR, Voice Radio
Digital Trunking
DMR TDMA
DMR FDMA, dPMR
Digital Voice Scrambling and Encryption
Digital WLL
Voice Storage and Playback Systems
Regenerative Digital Voice Repeaters
Messaging Systems
VoIP Systems
Voice Pagers
Half-Duplex Vocoding (CMX608/CMX618)
Full-Duplex Vocoding (CMX638 only)
1.
Brief Description
The CMX608/CMX618/CMX638 are flexible, high integration, high performance, RALCWI (Robust
Advanced Low Complexity Waveform Interpolation) Vocoders, offering near toll quality voice at very low bit
rates. A Forward Error Correction (FEC) engine provides optimum performance in real life applications.
The RALCWI Vocoder comprises four independent functions which are selectable by the host: Voice
Encoder, FEC Encoder, Voice Decoder and FEC Decoder. The CMX608 and CMX618 are half-duplex
Vocoders and the CMX638 is a full-duplex Vocoder with integrated voice CODEC.The CMX618 includes
an integrated voice CODEC, offering a complete analogue voice to low bit rate vocoded data function, with
integrated channel filters removing the need for external components, whereas the CMX608 requires an
external voice CODEC.
CMX608/CMX618/CMX638 operate from a dual power supply (1.8V and 3.3V) and are available in both
48-pin LQFP (L4) and 48-pin VQFN (Q3) packages.
Continued overleaf .....
2012 CML Microsystems Plc

CMX618Q3 Related Products

CMX618Q3 CMX618L4 CMX608L4 CMX608Q3 CMX638Q3
Description PCM Codec, 1-Func, LQFP-48 PCM Codec, 1-Func, PQFP48, LQFP-48 PCM Codec, 1-Func, PQFP48, LQFP-48 PCM Codec, 1-Func, LQFP-48 PCM Codec, 1-Func, LQFP-48
Parts packaging code QFP QFP QFP QFP QFP
package instruction HVQCCN, LCC48,.27SQ,20 LQFP-48 LFQFP, QFP48,.35SQ,20 HVQCCN, LCC48,.27SQ,20 HVQCCN, LCC48,.27SQ,20
Contacts 48 48 48 48 48
Reach Compliance Code compliant compliant compliant compliant compliant
filter YES YES YES YES YES
JESD-30 code S-XQCC-N48 S-PQFP-G48 S-PQFP-G48 S-XQCC-N48 S-XQCC-N48
length 7 mm 7 mm 7 mm 7 mm 7 mm
Number of functions 1 1 1 1 1
Number of terminals 48 48 48 48 48
Operating mode SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material UNSPECIFIED PLASTIC/EPOXY PLASTIC/EPOXY UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN LFQFP LFQFP HVQCCN HVQCCN
Encapsulate equivalent code LCC48,.27SQ,20 QFP48,.35SQ,20 QFP48,.35SQ,20 LCC48,.27SQ,20 LCC48,.27SQ,20
Package shape SQUARE SQUARE SQUARE SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE FLATPACK, LOW PROFILE, FINE PITCH FLATPACK, LOW PROFILE, FINE PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
power supply 1.8,3.3 V 1.8,3.3 V 1.8,3.3 V 1.8,3.3 V 1.8,3.3 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 1.6 mm 1.6 mm 1 mm 1 mm
Nominal supply voltage 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V
surface mount YES YES YES YES YES
Telecom integrated circuit types PCM CODEC PCM CODEC PCM CODEC PCM CODEC PCM CODEC
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form NO LEAD GULL WING GULL WING NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location QUAD QUAD QUAD QUAD QUAD
width 7 mm 7 mm 7 mm 7 mm 7 mm
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