RFSA2654 Serial Controlled 75Ω Digital Step Attenuator 5MHz to 2000MHz, 6-Bit, 0.5dB

RFMD's RFSA2654 is a 6-bit, 75Ω digital step attenuator (DSA) that features high linearity over the entire 31.5dB gain control range with excellent step accuracy in 0.5dB steps. The RFSA2654 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2654 also offers a rugged Class 1C HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-pin 4mm x 4mm QFN packages.

技术特性 Features
  • Frequency Range 5MHz to 2000MHz
  • 6-Bits, 75Ω, 31.5dB Range, 0.5dB Step
  • High Linearity, IIP3 >50dBm
  • 3V and 5V Logic Compatible
  • Serial-to-Parallel Controller
  • Serial Programming Interface
  • Power-up Programming Modes
  • On-chip ESD Protection Class 1C HBM
  • Single Supply, 5V Operation
  • Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs
应用领域 Applications
  • CATV/Satellite Set Top Boxes
  • Cable Modems
  • CATV Infrastructure
  • Data Network Equipment
功能框图 Functional Block Diagram

RFSA2654 功能框图

Frequency Range (Min) (MHz): 5
Frequency Range (Max) (MHz): 2000
Number of Bits (dB): 6
Step Size (dB): 0.5
Attenuation Range (dB): 31.5
Insertion Loss (dB): 1.4
IIP3 (dBm): 48
Interface: Serial
Package: MCM

RFSA2654 产品实物图

订购信息 Ordering Information
  • RFSA2654SQ Sample bag with 25 pieces
  • RFSA2654SR 7” Sample reel with 100 pieces
  • RFSA2654TR7 7” Reel with 750 pieces
  • RFSA2654TR13 13” Reel with 2500 pieces
  • RFSA2654PCK-410 5MHz to 2000MHz PCBA with 5-piece sample bag

应用技术支持与电子电路设计开发资源下载 大小(KB) 版本信息
RFSA2654 数据资料DataSheet下载:pdf 786 DS120627