IDTF2258NLGK Datasheet, PDF (1/24 Pages) Integrated Device Technology – Voltage Variable RF Attenuator

Voltage Variable RF Attenuator
GENERAL DESCRIPTION
The F2258 is a low insertion loss Voltage Variable RF
Attenuator (VVA) designed for a multitude of wireless
and other RF applications. This device covers a broad
frequency range from 50 MHz to 6000 MHz. In
addition to providing low insertion loss, the F2258
provides excellent linearity performance over its entire
voltage control and attenuation range.
The F2258 uses a single positive supply voltage of
3.15 V to 5.25 V. Another feature includes multi-
directional operation meaning the RF input can be
applied to either RF1 or RF2 pins. Control voltage
ranges from 0 V to 3.6 V.
COMPETITIVE ADVANTAGE
F2258 provides extremely low insertion loss and
superb IP3, IP2, Return Loss and Slope Linearity
across the control range. Comparing to the previous
state-of-the-art for silicon VVAs this device is better as
follows:
 Insertion Loss:
@ 2000 MHz: 1.4 dB vs. 2.8 dB
@ 6000 MHz: 2.7 dB vs. 7.0 dB
 Maximum Attenuation Slope:
33 dB/Volt vs. 53 dB/Volt
 Minimum Return Loss up to 6000 MHz:
12.5 dB vs. 7 dB
 Minimum Output IP3:
31 dBm vs. 15 dBm
 Minimum Input IP2:
87 dBm vs. 80 dBm
 Maximum Operating Temperature:
+105 °C vs. +85 °C
APPLICATIONS
 Base Station 2G, 3G, 4G,
 Portable Wireless
 Repeaters and E911 systems
 Digital Pre-Distortion
 Point to Point Infrastructure
 Public Safety Infrastructure
 Satellite Receivers and Modems
 WIMAX Receivers and Transmitters
 Military Systems, JTRS radios
 RFID handheld and portable readers
 Cable Infrastructure
 Wireless LAN
 Test / ATE Equipment
IDTF2258NLGK
Datasheet
50 to 6000 MHz
FEATURES
 Low Insertion Loss: 1.4 dB @ 2000 MHz
 Typical / Min IIP3: 65 dBm / 47 dBm
 Typical / Min IIP2: 95 dBm / 87 dBm
 33.6 dB Attenuation Range
 Bi-directional RF ports
 +34.4 dBm Input P1dB compression
 Linear-in-dB attenuation characteristic
 Supply voltage: 3.15 V to 5.25 V
 VCTRL range: 0 V to 3.6 V using 5 V supply
 +105 °C max operating temperature
 3 mm x 3 mm, 16-pin QFN package
FUNCTIONAL BLOCK DIAGRAM
RF₂
RF₁
Control
V_DD V_CTRL
ORDERING INFORMATION
Omit IDT
prefix
0.9 mm height
package
Tape &
Reel
IDTF2258NLGK8
RF Product Line
Green
F2258, Rev 1 01/20/2017
1
© 2015 Integrated Device Technology, Inc.