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MFG:ANADIGIC  Package Cooled:SMD  

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Part Number: ARA1400

 

MFG: ANADIGIC

Package Cooled: SMD

 

Description: The ARA1400 is a GaAs IC designed to provide thereverse path amplification and output level controlfunctions in a CATV ...


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ARA1400 General Description


The ARA1400 is a GaAs IC designed to provide thereverse path amplification and output level controlfunctions in a CATV Set-Top Box or Cable Modem. Itincorporates a digitally controlled precision stepattenuator that is preceded by an ultra low noiseamplifier stage, and followed by an ultra-linearoutput driver amplifier. The device is capable ofmeeting the MCNS/DOCSIS requirements forharmonic performance at a +60dBmV output levelwhile requiring only a single polarity +5V supply.Both the inputandthe output are single-ended andmatched to 75 Ohms, and a precision attenuatorprovides up to 56 dB of attenuation in 4 dBincrements. The device is offered in a 28-pin SSOPpackage featuring a heat slug on the bottom of thepackage.

ARA1400 Maximum Ratings

PARAMETER
MIN
MAX
UNIT
Analog Supply: VSUP (pins 4, 12, 17)
0
9
VDC
Amplifier Reference Voltages (pins 5, 18)
-2.5
VSUP
2
VDC
RF Power at Amplifier Inputs (pins 10, 26)
-
+60
dBmV
Attenuator Controls (pins 13, 14, 15, 16)
0
6
V
Output Switch Control (pin 25)
0
6
V
Storage Temperature
-55
+200
°C
Soldering Temperature
-
260
°C
       

ARA1400 Features

• Low cost integrated monolothic GaAs amplifierwith step attenuator
• Attenuation Range: 0-56 dB, adjustable in4 dB increments via a 4 wire parallel control
• Meets DOCSIS distortion requirements at+60 dBmV output signal level
• Low distortion and low noise
• Frequency range: 5-100 MHz
• 5 Volt operation
• 0 to +85 temperature range

ARA1400 Typical Application

• MCNS/DOCSIS Compliant Cable Modems
• CATV Interactive Set-Top Box
• Telephony over Cable Systems
• OpenCable Set-Top Box
• Residential Gateway

ARA1400 Connection Diagram

ARA1400 Connection Diagram

ARA1400 datasheet

ARA1400
PDF/DataSheet Download

Find ARA1400 Suppliers

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