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F1421 RENESAS | Alldatasheet

Document overview

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Technical content

Features

 Broadband 1.7GHz to 2.2GHz  20.3dB typical gain at 1.9GHz  5.5dB noise figure at 1.9GHz  +40dBm OIP3 at 1.9GHz  +23dBm output P1dB at 1.9GHz  Single 5V supply voltage  ICC = 138mA  -40°C to +105°C operating temperature  50Ω single-ended input / output impedances  Standby mode for power savings  4mm x 4mm, 24-pin QFN package Block Diagram Figure 1. Block Diagram

Figure 2. Pin Assignments for 4mm x 4mm x 0.9mm QFN Package – Top View Table 1. Pin Descriptions resistor that is connected to GND. 9 RSET Amplifier bias current setting resistor. Connect a 2.26kΩ resistor to ground. 10 RDSET Amplifier second bias current setting resistor. Connect a 5.76kΩ resistor to ground. 11 VCC Power supply for the amplifier. 23 GND Internally grounded. These pins must be grounded as close to the device as possible. 14 RFOUT RF output. Must use an external DC block as close to the pin as possible. close to the pin as possible for best RF performance. planes. These multiple ground vias are also required to achieve the specified RF performance.

The absolute maximum ratings are stress ratings only. Stresses greater than those listed below can cause permanent damage to the device. Table 2. Absolute Maximum Ratings

Table 3. Recommended Operating Conditions [a] Input / output load impedance < 2:1 VSWR any phase based in a 50Ω system.

© 2018 Integrated Device Technology, Inc. 5 Rev O May 11, 2018 F1421 Datasheet

Electrical Characteristics

See the F1421 Typical Application Circuit. Specifications apply when operated at VCC = +5.0V, fRF = 1.9GHz, TEP = +25°C, ZS = ZL = 50, tone spacing = 5MHz, POUT = +4dBm/tone, evaluation board (EVKit) traces and connectors are de-embedded, unless otherwise stated. Table 4. Electrical Characteristics these columns that are not shown in bold italics are guaranteed by design characterization.

Table 5. Package Thermal Characteristics

Figure 17. Electrical Schematic

Table 6. Bill of Material (BOM)

1 Printed Circuit Board F1420 EVKit REV 1 IDT

© 2018 Integrated Device Technology, Inc. 13 Rev O May 11, 2018 F1421 Datasheet Power-On Procedure Set up the voltage supplies and Evaluation Board as described in the "Power Supply Setup" section with the "Standby Pin” set for logic LOW.  Enable the power supply.  The STBY pin now can now be exercised. Power-Off Procedure  Set the STBY pin to logic LOW.  Disable the power supply.

Application Information

The F1421 has been optimized for use in high-performance RF applications from 1.7GHz to 2.2GHz. Standby Mode (STBY) The F1421 has a standby pin which allows the amplifier to be turned off to decrease overall power requirements. The pin use s simple logic levels and is compatible with both JEDEC 1.8V and JEDEC 3.3V logic. Table 7 lists the amplifier state for the logic. An internal pull-down resistor causes the amplifier to default to the on state. Table 7. Standby Truth Table setting, RSET (R1) is 1.87kΩ and RDSET (R2) is 5.11kΩ.

not necessarily match the EVKit BOM for the case of poor control signal integrity. Figure 20. Control Pin Interface for Signal Integrity Table 8 provides the open-circuit DC voltage referenced to ground and resistance value for the control pin listed. Table 8. Digital Pin Voltages and Resistance

8 STBY 0V 580kΩ resistor to ground

© 2018 Integrated Device Technology, Inc. 15 Rev O May 11, 2018 F1421 Datasheet Package Drawings The package outline drawings are appended at the end of this document and are accessible from the link below. The package information is the most current data available. https://www.idt.com/document/psc/nlnlg24p1-package-outline-40-x-40-mm-body-05-mm-pitch-qfn-epad-size-245-x-245-mm

Ordering Information

Orderable Part Number Package MSL Rating Carrier Type Temperature F1421NLGK 4mm x 4mm x 0.9mm 24-pin QFN 1 Tray -40° to +105°C F1421NLGK8 4mm x 4mm x 0.9mm 24-pin QFN 1 Reel -40° to +105°C F1421EVBI Evaluation Board Marking Diagram IDTF14 21NLGK ZA721FTG Line 1 and 2 are the part number. Line 3 “ZA” is for die version. Line 3 “721” is one digit for the year and week that the part was assembled. Line 3 “FTG” denotes the production process.

© 2018 Integrated Device Technology, Inc. 16 Rev O May 11, 2018 F1421 Datasheet

Revision History

Revision Revision Date Description of Change O May 11, 2018 Initial Release. Corporate Headquarters

6024 Silver Creek Valley Road

San Jose, CA 95138 www.IDT.com Sales 1-800-345-7015 or 408-284-8200 Fax: 408-284-2775 www.IDT.com/go/sales Tech Support www.IDT.com/go/support DISCLAIMER Integrated Device Technology, Inc. (IDT) and its affiliated companies (herein referred to as “IDT”) reserve the right to modify the products and/or specifications described herein at any time, without notice, at IDT's sole discretion. Performance specifications and operati ng parameters of the described products are determined in an independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT's products for any particular purpose, an implied warranty of merchantability, or non -infringement of the intellectual property rights of others. This document is presented o nly as a guide and does not convey any license under intellectual property rights of IDT or any third parties. IDT's products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT. Integrated Device Technology, IDT and the IDT logo are trademarks or registered trademarks of IDT and its subsidiaries in the Uni ted States and other countries. Other trademarks used herein are the property of IDT or their respective third party owners. For da tasheet type definitions and a glossary of common terms, visit www.idt.com/go/glossary . All contents of this document are copyright of Integrated Device Technology, Inc. All rights reserved.

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