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F2270 Datasheet

Voltage Variable Attenuator

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75Ω Voltage Variable Attenuator
5MHz to 3000MHz
F2270
Datasheet
Description
The F2270 is a 75, 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
5MHz to 3000MHz. In addition to providing low insertion loss, the
F2270 provides excellent linearity performance over its entire
attenuation range.
The F2270 uses a positive supply voltage of 3.3V or 5V. Other
features include a VMODE pin allowing either a positive or negative
voltage control slope versus attenuation and multi-directional
operation where the RF input can be applied to either the RF1 or
RF2 pins. The attenuation control voltage range is from 0V to 5V
using either a 3.3V or 5V power supply.
Competitive Advantage
The F2270 provides extremely low insertion loss and superb IP3,
IP2, return loss performance, and slope linearity across the control
range. Compared to the previous state-of-the-art for silicon VVAs,
this device provides superior performance:
Operation down to 5MHz
Insertion loss at 300MHz of 1.1dB
Typical attenuation slope: 10dB/Volt
Minimum OIP3 (maximum attenuation): +35dBm
Minimum IIP2 (maximum attenuation, > 35MHz): +85dBm
Typical Applications
CATV/Broadband Applications
Headend
Fiber/HFC Distribution Nodes
CATV Test Equipment
Features
Frequency range: 5MHz to 3000MHz
Low insertion loss: 1.1dB at 300MHz
Typical/Minimum IIP3 ≥ 50MHz: 62dBm / 46dBm
Typical/Minimum IIP2 ≥ 50MHz: 98dBm / 77dBm
Up to 35dB attenuation range
Attenuation slope versus VCTRL: 10dB/Volt
Bi-directional RF ports
+36dBm input P1dB
VMODE pin allows either positive or negative attenuation control
response
Linear-in-dB attenuation characteristic
Nominal supply voltage: 3.3V or 5V
VCTRL range: 0V to 5V using 3.3V or 5V supply
-40°C to +105°C operating temperature range
3 × 3 mm, 16-VFQFPN package
Block Diagram
Figure 1. Block Diagram
VMODE VDD VCTRL
Control
RF1 RF2
© 2019 Integrated Device Technology, Inc.
1
January 16, 2019


Integrated Device Technology Electronic Components Datasheet

F2270 Datasheet

Voltage Variable Attenuator

No Preview Available !

Pin Assignments
Figure 2. Pin Assignments for 3 x 3 x 0.9 mm 16-VFQFPN Package – Top View
16 15 14 13
GND 1
NC 2
RF1 3
NC 4
CONTROL
EP
12 GND
11 NC
10 RF2
9 NC
5678
F2270 Datasheet
© 2019 Integrated Device Technology, Inc.
2
January 16, 2019


Part Number F2270
Description Voltage Variable Attenuator
Maker IDT
Total Page 29 Pages
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