PRELIMINARY DATA SHEET - Rev 1.0
Programmable Gain Amplifier
ARA2017
fEATuRES
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High Linearity, High Output Power Integrated
Amplifier with Programmable Gain Control
Attenuation Range: 0-58 dB, Adjustable in
2 dB Increments via a 3-wire Serial Control
33 dB Gain (at Minimum Attenuation)
Low Distortion Products at Output Power Levels
up to +64 dBmV
Low Noise Figure and Output Noise
Frequency range: 5-85 MHz
5 V Operation
Materials set consistent with RoHS Directors.
Surface Mount Package
DOCSIS 3.0 Data Cable Modems and E-MTAs
CATV Set Top Boxes
S29 Package
28-Pin QfN
5 mm x 5 mm x 1 mm
The ARA2017 supports output power levels of +64
dBmV while minimizing harmonic, distortion, and
output noise levels. Its precision attenuator provides
up to 58 dB of attenuation in 2 dB increments. The
attenuator setting is programmed via a 3-wire serial
interface, as is the output stage current, a feature
which allows the device to be operated in reduced
power modes for extended backup battery life in
E-MTA applications. The ARA2017 is offered in a 28-
pin 5 mm x 5 mm x 1 mm QFN package.
APPLIcATIoNS
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PRoDucT DEScRIPTIoN
The ARA2017 is a highly linear, high output power,
programmable gain amplifier optimized for DOCSIS
3.0 cable modem and E-MTA applications. Using a
low noise input amplification stage and an ultra linear
output driver amplifier, the device generates extremely
low distortion products at the high output power levels
required by DOCSIS 3.0 signals. Its balanced circuit
design provides superior harmonic performance
and an integrated digitally-controlled, multiple-stage
precision step attenuator enables system solutions to
meet DOCSIS power step accuracy requirements.
figure 1: functional Block Diagram
07/2008
ANADIGICS [ ANADIGICS, INC ]
