ARA2000
Reverse Amplifiers
Application:
Address-Programmable Reverse Amplifier with Step Attenuator
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.
Features:
- Low Cost Integrated Amplifier with Step Attenuator.
- Attenuation range: 0-58 dB, Adjustable in 1 dB Increments via a 3 Wire Serial Control
- Meets DOCSIS Distortion Requirements at a +60 dBmV Output Signal Level
- Programmable Address Allows Multiple Parts to Share Control Bus
- Low Distortion and Low Noise.
- Frequency Range: 5-100 MHz
- 5 V Operation.
- -40 to +85°C Temperature Range
Specifications:
| 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 |
All Reverse Amplifiers from ANADIGICS
Click on a product for details| » ARA05050 | | | Reverse Amplifier with Step Attenuator |
| » ARA2000 | | | Address-Programmable Reverse Amplifier with Step Attenuator |
| » ARA2004 | | | Reverse Amplifier with Step Attenuator |
| » ARA2017 | | | Programmable Gain Amplifier |
