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IDTF2255NLGK Datasheet

Voltage Variable RF Attenuator

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Voltage Variable RF Attenuator
GENERAL DESCRIPTION
The IDTF2255 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 1MHz to 3000MHz. In
addition to providing low insertion loss, the IDTF2255
provides excellent linearity performance over its entire
voltage control and attenuation range.
The F2255 uses a single positive supply voltage of
3.15V to 5.25V. Other features include the VMODE pin
allowing either positive or negative voltage control
slope vs attenuation and multi-directional operation
meaning the RF input can be applied to either RF1 or
RF2 pins. Control voltage ranges from 0V to 3.6V
using either positive or negative control voltage slope.
COMPETITIVE ADVANTAGE
IDTF2255 provides extremely low insertion loss and
superb IP3, IP2, Return Loss and Slope Linearity across
the control range. Comparing to competitive VVAs this
device is better as follows:
Operation down to 1MHz
Insertion Loss @ 500MHz: 1.1dB
Maximum Attenuation Slope: 33dB/Volt
Minimum Output IP3: 35dBm
Minimum Input IP2: 74dBm
High Operating Temperature: +105°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 Radios covering HF, VHF, UHF
RFID handheld and portable readers
Cable Infrastructure
Wireless LAN
Test / ATE Equipment
IDTF2255NLGK
Datasheet
1MHz to 3000MHz
FEATURES
Low Insertion Loss: 1.1dB @ 500MHz
Typical / Min IIP3: 60dBm / 46dBm
Typical / Min IIP2: 98dBm / 74dBm
33dB Attenuation Range
Bi-directional RF ports
+36dBm Input P1dB compression
VMODE pin allows either positive or negative
control response
Linear-in-dB attenuation characteristic
Supply voltage: 3.15V to 5.25V
VCTRL range: 0V to 3.6V using 5V supply
+105°C max operating temperature
3mm x 3mm, 16-pin QFN package
DEVICE BLOCK DIAGRAM
Control
RF1
RF2
ORDERING INFORMATION
Omit IDT
prefix
0.9 mm height
package
IDTF2255NLGK8
Tape &
Reel
RF product Line
Green
PART# MATRIX
Part#
F2250
F2255
F2258
RF Freq Range
(MHz)
50 - 6000
1 - 3000
50 - 6000
Insertion Loss
(dB)
1.4 (at 2GHz)
1.1 (at 500MHz)
1.4 (at 2GHz)
IIP3
(dBm)
+65
+60
+65
Pinout
Compatibility
RFMD
Hittite
© 2018 Integrated Device Technology, Inc.
1
Rev 2, February 9, 2018


Integrated Device Technology Electronic Components Datasheet

IDTF2255NLGK Datasheet

Voltage Variable RF Attenuator

No Preview Available !

Voltage Variable RF Attenuator
ABSOLUTE MAXIMUM RATINGS
Parameter / Condition
VDD to GND
VMODE to GND
VCTRL to GND
VDD = 0V to 5.25V
RF1, RF2 to GND
RF1 or RF2 Input Power applied for 24 hours maximum
(VDD applied @ 2GHz and Tc=+85°C)
RF1 or RF2 Continuous Operating Power
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
ESD VoltageHBM (Per ESD STM5.1-2007)
ESD Voltage CDM (Per ESD STM5.3.1-2009)
Symbol
VDD
VMODE
VCTRL
VRF
PMAX24
PMAX_OP
TJMAX
TST
TLEAD
VESDHBM
VESDCDM
IDTF2255NLGK
Datasheet
1MHz to 3000MHz
Min
Max
Units
-0.3 5.5 V
-0.3
Minimum ( VDD, 3.9 )
V
-0.3
Minimum ( VDD, 4.0 )
V
-0.3 0.3 V
30 dBm
See Figure 1
dBm
+150
°C
-65
+150
°C
+260
°C
Class 2
Class C3
FIGURE 1: MAXIMUM OPERATING RF INPUT POWERS VS. RF FREQUENCY
Stresses above those listed above may cause permanent damage to the device. Functional operation of the device at
these or any other conditions above those indicated in the operational section of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
PACKAGE THERMAL AND MOISTURE CHARACTERISTICS
ΘJA (Junction Ambient)
ΘJC (Junction Case) The Case is defined as the exposed paddle
Moisture Sensitivity Rating (Per J-STD-020)
80.6°C/W
5.1°C/W
MSL 1
© 2018 Integrated Device Technology, Inc.
2
Rev 2, February 9, 2018


Part Number IDTF2255NLGK
Description Voltage Variable RF Attenuator
Maker Integrated Device Technology
Total Page 26 Pages
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