You Searched For ...Communications ICs ... Voice Over IP
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Communications ICs - Voice Over IP - Subscriber Line Interface Circuits (SLICs) - Long LoopClick the column header   to sort descending/ascending.
Device


Data-
Sheet


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Device Description


Longitudinal Balance (dB)


Polarity Reversal


Tip Open Ground Start


Integrated Battery Switch


1K Units MSRP ($)


Package


HC5503PRC  Low Cost SLIC For Large Telecom Switches58            2.2724 Ld SOIC
24 Ld SOIC T+R
32 Ld QFN
32 Ld QFN T+R 
HC55120  Low Power UniSLIC14 Family53        X4.6828 Ld PLCC
28 Ld SOIC 
HC55121  Low Power UniSLIC14 Family53X    X5.3928 Ld PLCC
28 Ld SOIC 
HC55130  Low Power UniSLIC14 Family63        X5.8528 Ld PLCC
28 Ld SOIC
28 Ld SOIC T+R 
HC55140  Low Power UniSLIC14 Family63XXX6.4428 Ld PLCC
28 Ld SOIC 
HC55142  Low Power UniSLIC14 Family63XXX7.0328 Ld PLCC
28 Ld PLCC T+R
28 Ld SOIC 
HC5515  ITU CO/PABX SLIC with Low Power Standby53            4.6728 Ld PLCC 
HC55150    Low Power UniSLIC14 Family55X    X7.6128 Ld PLCC
28 Ld SOIC 
HC5523  LSSGR/TR57 CO/Loop Carrier SLIC with Low Power Standby58            5.2022 Ld PDIP
28 Ld PLCC 
HC5549  Low Power SLIC with Battery Switch53XXX3.7928 Ld PLCC 

Communications ICs - Voice Over IP - Subscriber Line Interface Circuits (SLICs) - Short Loop PBXClick the column header   to sort descending/ascending.
Device


Data-
Sheet


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Device Description


Longitudinal Balance (dB)


VS (V)


Loop Current Limit (mA)


Ring Relay Drivers


1K Units MSRP ($)


Package


HC5503  Low Cost 24V SLIC For PABX / Key Systems53-24, +52512.5124 Ld SOIC
24 Ld SOIC T+R 
HC5503T  Balanced PBX / Key System SLIC, Subscriber Line Interface Circuit53-24, +530    2.2024 Ld SOIC
24 Ld SOIC T+R 
HC5504B  EIA/ITU PABX SLIC with 40mA Loop Feed58-48, +54014.5524 Ld PDIP
24 Ld SOIC
24 Ld SOIC T+R
28 Ld PLCC
28 Ld PLCC T+R 

Communications ICs - Voice Over IP - Ringing SLICsClick the column header   to sort descending/ascending.
Device


Data-
Sheet


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Device Description


Longitudinal Balance (dB)


High Battery VBH


Loop Current (mA)


Integrated Battery Switch


Polarity Reversal


1K Units MSRP ($)


Package


HC55183  Extended Reach Ringing SLIC457515 to 45X    3.6328 Ld PLCC
28 Ld PLCC T+R 
HC55184  Extended Reach Ringing SLIC457515 to 45XX3.9528 Ld PLCC 
HC55185  VoIP Ringing SLIC58/53100/85/7515 to 45XX3.6828 Ld PLCC
28 Ld PLCC T+R
28 Ld PLCC T+R
32 Ld QFN
32 Ld QFN T+R
Eval Board 
ISL5585  3.3 Volt Ringing SLIC Family for Voice Over Broadband (VOB)58/53100/85/7515 to 45XX4.8528 Ld PLCC
28 Ld PLCC T+R
32 Ld QFN
32 Ld QFN T+R
Eval Board 
ISL5586  Low Power Ringing SLIC for Home Gateways58/53100/85/7515 to 45XX6.0328 Ld PLCC
28 Ld PLCC T+R
Eval Board 

Communications ICs - Voice Over IP - Line Card Access SwitchesClick the column header   to sort descending/ascending.
Device


Data-
Sheet


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Device Description


Prot SCR


1K Units MSRP ($)


Package


ISL5571A  Access High Voltage SwitchYes2.3616 Ld SOIC
16 Ld SOIC T+R
Eval Board 

Communications ICs - Voice Over IP - Analog Crosspoint SwitchesClick the column header   to sort descending/ascending.
Device


Data-
Sheet


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Device Description


Configuration


rDS(ON) (Ω)


Frequency Response Typ. -3dB 14V (MHz)


Crosstalk Typ. -40dB 14V (MHz)


VCC Range (±V)


1K Units MSRP ($)


Package


CD22M3494  16x8x1 BiMOS-E Crosspoint Switch16x83650104 to 154.2540 Ld PDIP
44 Ld PLCC
44 Ld PLCC T+R 
*Data listed above is for reference only, please refer to Product Data Sheets for current specifications.