RFSA2644 Serial Controlled Digital Step Attenuator 50MHz to 4000MHz, 6-Bit, 0.5dB LSB

RFMD’s RFSA2644 is a 6-bit 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 RFSA2644 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2644 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 50MHz to 4000MHz
  • 6-Bits, 31.5dB Range, 0.5dB Step
  • High Linearity, IP3 >48dBm
  • 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, 3V to 5V Operation
  • Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs
功能框图 Functional Block Diagram

RFSA2644 功能框图

应用领域 Applications
  • Transceiver RF and IF Applications
  • Cellular, PCS, GSM, UMTS, LTE,WiMax/WiFi
  • Wireless Data, Satellite Terminals
  • Test Equipment
Frequency Range (Min) (MHz): 50
Frequency Range (Max) (MHz): 4000
Number of Bits (dB): 6
Step Size (dB): 0.5
Attenuation Range (dB): 31.5
IIP3 (dBm): 48
Interface: Serial
Package: MCM

RFSA2644 产品实物图

订购信息 Ordering Information
  • RFSA2644SR 7” Sample reel with 100 pieces
  • RFSA2644SQ 25-Piece sample bag
  • RFSA2644TR7 7” Reel with 750 pieces
  • RFSA2644TR13 13” Reel with 2500 pieces
    RFSA2644PCK-410 50MHz to 4000MHz PCBA with 5-piece sample bag
订购信息 Ordering Information
订购型号 MOQ*             INC*             Packaging and Shipping Details QTY Per 1 EA
RFSA2644SQ 25 EA 25 EA Standard 25 Piece Bag Shipping From Greensboro 1+ $3.78
RFSA2644SR 100 EA 100 EA Standard 100 Piece 7" Short Reel Shipping From Greensboro 100+ $2.64
RFSA2644TR7 750 EA 750 EA Standard 750 Piece Reel Shipping From Greensboro 750+ $1.76
RFSA2644TR13 2500 EA 2500 EA Standard 2500 Piece Reel Shipping From    
RFSA2644PCBA-410 1 EA 1 EA Standard 1 Shipping From Greensboro 1+ $150.00

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
RFSA2644 数据资料DataSheet下载:pdf 1202 DS120706