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CHA2411-QDG Dataheets PDF



Part Number CHA2411-QDG
Manufacturers United Monolithic Semiconductors
Logo United Monolithic Semiconductors
Description GaAs Monolithic Microwave IC
Datasheet CHA2411-QDG DatasheetCHA2411-QDG Datasheet (PDF)

CHA2411-QDG RoHS COMPLIANT 20-25GHz LNA GaAs Monolithic Microwave IC In QFN package www.DataSheet4U.com Description The CHA2411 is a monolithic Low noise Amplifier in K band providing 26 dB gain from a single bias supply +5V with a noise figure of 2.5 dB. All the active devices are self biased on chip. The circuit is manufactured with a standard GaAs PHEMT process: 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. The chip is delivered in a 24.

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CHA2411-QDG RoHS COMPLIANT 20-25GHz LNA GaAs Monolithic Microwave IC In QFN package www.DataSheet4U.com Description The CHA2411 is a monolithic Low noise Amplifier in K band providing 26 dB gain from a single bias supply +5V with a noise figure of 2.5 dB. All the active devices are self biased on chip. The circuit is manufactured with a standard GaAs PHEMT process: 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. The chip is delivered in a 24 Leads RoHS compliant QFN4x4 package. Functional diagram Main Features n n n n n • Excellent noise figure : 2.5 dB Stable gain vs temperature 26 ± 2dB Single supply : +5V Devices self biased on chip Standard SMD package : QFN 24L 4x4 Plastic Package Main Characteristics in QFN package Tamb = +25°C Parameters Frequency range Small signal Gain SSB Noise figure Input / Output Return Loss Min 20 22 26 2.5 15 Typ Max 25 30 Unit GHz dB dB dB ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions ! Ref. : DSCHA2411QDG6174 - 23 Jun 06 1/10 Specifications subject to change without notice United Monolithic Semiconductors S.A.S. Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG Electrical Characteristics Full temperature range Symbol/Pins Frequency range Parameters Small signal Gain Gain variation over frequency Gain variation over temperature SSB Noise figure Input / Output Return Loss (20 to 23GHz) Input Power at 1 dB Gain Compression @24GHz Input IP3 @24GHz Saturated Output Power @24GHz +Vd, +Vg +I Top Supply Voltage Supply Current Operating temperature range -40 Min 20 22 26 ± 0.5 ±2 2.5 15 -14 -7.5 13.5 5 43 25 55 100 15 Typ Max 25 30 Unit GHz dB dB dB dB dB dBm dBm dBm V mA °C www.DataSheet4U.com Remark : These performance has been obtained with the chip in QFN package mounted on the recommended boards (ref. 95541 & 95581) described in the document. These performance are highly dependent on this environment. Absolute Maximum Ratings (1) Symbol +Vg, +Vd +I Pin Top Tstg Parameters Maximum positive supply voltage Maximum positive supply voltage Maximum peak input power overdrive Operating temperature range (2) Storage temperature range Values 6 65 -5 -40 to +100 -55 to +125 Unit V mA dBm °C °C (1) Operation of this device above anyone of these parameters may cause permanent damage. Duration < 1s (2) Temperature of the back side of the QFN. Thermal resistance is RTh=195°C/W Ref. : DSCHA2411QDG6174 - 23 Jun 06 2/10 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG Typical QFN measurements on board 95581 (QFN plan) Typical Sij Parameters vs Frequency in the QFN package plans 35 30 25 20 www.DataSheet4U.com 15 S21(dB) S11(dB) S22(dB) Sij (dB) 10 5 0 -5 -10 -15 -20 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Frequency (GHz) Ref. : DSCHA2411QDG6174 - 23 Jun 06 3/10 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG Typical QFN measurements on board 95541 (QFN plan) Noise Figure vs Frequency 4 3,8 3,6 3,4 3,2 3 2,8 2,6 2,4 2,2 2 1,8 1,6 1,4 1,2 1 22 22,5 23 23,5 24 24,5 100°C NF (dB) www.DataSheet4U.com 25°C -40°C 25 25,5 26 Frequency (GHz) Gain vs Frequency 30 28 26 24 Gain (dB) 22 20 18 16 14 12 10 16 17 18 19 20 21 22 23 24 25 26 Frequency (GHz) 25°C -40°C 100°C Ref. : DSCHA2411QDG6174 - 23 Jun 06 4/10 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG QFN Outline www.DataSheet4U.com Ref. : DSCHA2411QDG6174 - 23 Jun 06 5/10 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG Pin-out description Pin number 4 15 Pin name RFIn RFOut VD VG GND Nc Symbol Name RF_IN RF_OUT +Vd +Vg Control Voltage port RF1 Input/Output ports Positive Drain supply voltage Positive Gate supply voltage Ground Not connected Description www.DataSheet4U.com 22 9 3, 5, 14, 16 1, 2, 6, 7, 8, 10, 11, 12, 13, 17, 18, 19, 20, 21, 23, 24 External Components and bias configuration (recommended) 19 18 17 16 15 14 13 12 20 21 22 23 24 1 2 3 4 5 6 11 10 9 8 7 Ref. : DSCHA2411QDG6174 - 23 Jun 06 6/10 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 K-band LNA CHA2411-QDG Recommended Test Fixture (Ref. 95541) for measurements over Temperature Range www.DataSheet4U.com Ref. : DSC.


12F615 CHA2411-QDG D1A050000


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