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ARA2004R, ARA2005, ARA22888R00400

Table of contents:
Info of ARA2004R
Info of ARA2005
Info of ARA22888R00400

ARA2004R, ARA2005, ARA22888R00400 Selling Leads, Datasheet

MFG:SOP-28 Package Cooled:ANADIGIT D/C:04+

ARA2004R, ARA2005, ARA22888R00400 Picture

ARA2004R, ARA2005, ARA22888R00400 Datasheet download

Five Points

Part Number: ARA2004R

MFG: SOP-28

Package Cooled: ANADIGIT

D/C: 04+

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ARA2005 General Description

The ARA2005 is designed to provide the reverse path amplification and output level control functions in a CATV Set-Top Box or Cable Modem. It incorporates a digitally controlled precision step attenuator that is preceded by an ultra low noise amplifier stage, and followed by an ultra-linear output driver amplifier. This device uses a balanced circuit design that exceeds the MCNS/DOCSIS requirement for harmonicperformance at a +60 dBmV output level while only requiring a single polarity +5 V supply. Both the input and output are matched to 75 ohms with an appropriate transformer. The precision attenuator provides up to 58 dB of attenuation in 1 dB increments via a three-wire serial interface. With external passive components, this device meets IEC 1000-4-12 and ANSI/IEEE C62.41-1991 100KHz ringwave tests, as well as IEC1000-4-5 1.2/50 S surge tests. The ARA2005 is offered in a 28-pin SSOP package featuring a heat slug on the bottom of the package.

ARA2005 Maximum Ratings

PARAMETER	MIN	MAX	UNIT
Analog Supply (pins 2, 4, 9, 21, 24)	0	9	VDC
Amplifier Controls Vg1, Vg2 (pins 7, 22)	-5	2	V
RF Power at Inputs (pins 6, 9)	-	+60	dBmV
Digital Interface (pins 13, 14, 15, 16)	-0.5	V_CMOS+0.5	V
Storage Temperature	-0.5	+200
Soldering Temperature	-	260
Soldering Time	-	5	Sec

Stresses in excess of the absolute ratings may cause permanent damage. Functional
operation is not implied under these conditions. Exposure to absolute ratings for
extended periods of time may adversely affect reliability.
Notes:
1. Pins 3, 5, 8, 10, 19, 20, 25 and 26 should be AC-coupled. No external DC bias should be
applied.
2. Pins 7 and 22 should be grounded or pulled to ground through a resistor. No external DC
bias should be applied.

ARA2005 Features

• Low Cost Integrated Amplifier with Step Attenuator
• Attenuation Range: 0-58 dB, adjustable in 4 dB increments via a 4wire serial control
• Meets DOCSIS distortion requirements at +60 dBmV output signal level
• Low distortion and low noise
• Frequency range: 5-100 MHz
• 5 Volt operation
• -40 to +85 oC temperature range

ARA2005 Typical Application

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

ARA2005 Connection Diagram

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