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ARA1400S12, ARA1400S12CTR, ARA2000

Table of contents:
Info of ARA1400S12
Info of ARA1400S12CTR
Info of ARA2000

ARA1400S12, ARA1400S12CTR, ARA2000 Selling Leads, Datasheet

MFG:ANADIGICS Package Cooled:SSOP-28 D/C:04+

ARA1400S12, ARA1400S12CTR, ARA2000 Picture

ARA1400S12, ARA1400S12CTR, ARA2000 Datasheet download

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Part Number: ARA1400S12

MFG: ANADIGICS

Package Cooled: SSOP-28

D/C: 04+

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ARA1400S12 General Description

The ARA1400S12 is a GaAs IC designed to perform 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. It is capable of meeting the MCNS/DOCSIS harmonic distortion specifications while only requiring a single polarity +5V supply. This part is a single ended design that does not require an outpu nd balun to achieve 52 dBc 2 harmonic performance at +60 dBmV output levels. Both the input and output are matched to 75 ohms. The precision attenuator provides up to 56 dB of attenuation in 4 dB increments. The ARA1400S12 is supplied in a 28-pin SSOP package featuring a thermal hea slug on the bottom of package Soldering this heat slug to the ground plane of the PC board ensures the lowest possible thermal resistance for the device resulting in a long MTF.

ARA1400S12 Maximum Ratings

PARAMETER
V (PINS 4,12,17) DD	9	VDC
V RFIN(PINS 10, 26)	0 to -3	VDC
ATT (3) ATT (28)V IN OUT	5	VDC
V ISET(PINS 11, 27)	2	VDC
RF Input Voltage (PINS 10, 26)*	+60	dBmv
Storage Temperature	-55 to +200	c
Soldering Temperature	260	c
Soldering Time	5	sec
Operating Case Temperatuer	0 to + 85	c

ARA1400S12 Features

* Low cost integrated monolithic GaAs amplifier and step attenuator with output disconnect switch.
* Meets DOCSIS distortion requirements a +60 dBmV
* Frequency range: 5 100 MHz
* Attenuation Range: 0 56 dB, variable in 4 dB steps
* 5 Volt operation
* Low distortion & Low noise figure

ARA1400S12 Typical Application

* MCNS/DOCSIS Compliant Cable Modems
* CATV Interactive Set-Top Box
* Telephony over Cable Systems

ARA1400S12 Connection Diagram

ARA2000 General Description

The ARA2000 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.

The ARA2000 has a programmable address that allows multiple devices to share a common control bus. The ARA2000 is offered in a 28-pin SSOP package featuring a heat slug on the bottom of the package.

ARA2000 Maximum Ratings

Attenuator Step Size (dB) Typ	1
Attenuation Range (dB) Typ	60.3
2nd Harmonic Distortion Level* (dBc) Max	-53
3rd Harmonic Distortion Level* (dBc) Max	-53
Gain (dB) Typ	29.3
Noise Figure (dB) Typ	3.0
Noise Figure (dB) Max	4.0
Notes	* specified at +60 dBmV output

ARA2000 Features

• Low cost integrated amplifier with step attenuator
• Attenuation Range: 0-58 dB, adjustable in 1dB increments via a 3 wire serial control
• Meets DOCSIS distortion requirements at a +60dBmV output signal level
• Programmable address allows multiple parts to share control bus
• Low distortion and low noise
• Frequency range: 5-100MHz
• 5 Volt operation
• -40 to +85 oC temperature range

ARA2000 Typical Application

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

ARA2000 Connection Diagram

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