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CND2047-DAG
RoHS COMPLIANT
9GHz Frequency Divider by 4 Fixed Modulus Prescaler
GaAs Monolithic Microwave IC Description
The CND2047 is a low power consumption very high speed divider by 4 GaAs prescaler manufactured with a 0.7m self aligned implanted MESFET process. The design is full differential input/output that allows direct drive into 50 load. The CND2047 is available in a low cost SOIC8 RoHS compliant plastic package. SOIC8 plastic package
Main Features
Very broad operating frequency range Low power dissipation: 300mW Single supply operation: 3V to 5V Low phase noise: -139dBc/Hz at 1KHz
Main Characteristics
Tamb= +25 C Symbol Vdd Pdiss Fmax Drain voltage Power dissipation Maximum input frequency Parameter Min 3 120 8 Typ 5 300 9 Max 6 400 Unit V mW GHz
ESD Protections: Electrostatic discharge sensitive device observe handling precautions!
Ref. : DSCND2047-DAG7087 - 28 Mar 07 1/8 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Departementale 128 - B.P.46 - 91401 Orsay Cedex France Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CND2047-DAG
9GHz Frequency Divider by 4
Electrical Characteristics in SOIC8 package
Guaranteed electrical specifications over the temperature range of -40 to +85 but tested at Tamb=25 under config uration described in Fig.1 C C C (Vdd=5V; Differential inputs; Pin=0dBm; Zo=50 ) Symbol Fmax Idd Parameter Maximum input frequency Supply current Min 8.5 Typ 9 60 75 Max Unit GHz mA
Typical design information over the temperature range of -40 to +85 C C (Vdd=5, Zo=50 ) Symbol Fmax Parameter Maximum input frequency Differential input Single input Pin= -5dBm Pin= 0dBm Pin= -5dBm Pin= 0dBm Pout Idd Output power Supply current 8 8.5 7.25 7.75 -4 8.5 9 7.75 8.25 -1.5 60 75 GHz GHz GHz GHz dBm mA Min Typ Max Unit
Typical design information over the temperature range of -40 to +85 C C. (Vdd=3.3V, Zo=50 ) Symbol Fmax Parameter Maximum input frequency Differential input Single input Pin= -5dBm Pin= 0dBm Pin= -5dBm Pin= 0dBm Pout Idd Output power Supply current 7 7.5 6.5 6.75 -7 7.5 8 7 7.25 -4.5 40 55 GHz GHz GHz GHz dBm mA Min Typ Max Unit
Ref. : DSCND2047-DAG7087 - 28 Mar 07
2/8
Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
9GHz Frequency Divider by 4
Absolute Maximum Ratings (1)
Tamb= 25 C Symbol Vdd Pin Top Tstg Drain voltage Maximum input power Operating temperature range Storage temperature range Parameter
CND2047-DAG
Values 7 15 -40 to +85 -65 to +175
Units V dBm C C
(1) Operation of this device above anyone of these parameters may cause permanent damage
Ref. : DSCND2047-DAG7087 - 28 Mar 07
3/8
Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CND2047-DAG
Typical Characteristics
Tamb= 25 Zo=50 , Vdd=5V C,
9GHz Frequency Divider by 4
Output power level vs Input frequency and Vdd 2 0 Output level (dBm) -2
Vdd=5V
-4 -6 -8 -10 1 3 5 7 Frequency (GHz) 9 11
Vdd=3.3V
Device current vs Voltage and Temperature 80 70 60 Idd (mA) 50 40 30 20 10 0 2,5 3 3,5 4 4,5 Vdd (V) 5 5,5 6 25 C -55 C 125 C
SSB phase noise vs. Offset frequency (Fin=3.9 Ghz) 0 SSB phase noise (dBc/Hz) -20 -40 -60 -80 -100 -120 -140 -160 10 100 1000 Offset frequency (Hz) 10000 100000
Ref. : DSCND2047-DAG7087 - 28 Mar 07
4/8
Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
9GHz Frequency Divider by 4
CND2047-DAG
Input sensitivity vs. Input frequency and temperature (Vdd=5V; differential inputs) 15,00 5,00 Input level (dBm) -5,00 -15,00 -25,00 -35,00 -45,00 -55,00 1,00
+80 +25 -40
3,00
5,00
7,00
9,00
11,00
Frequency (GHz)
SOIC8 package
Ref. : DSCND2047-DAG7087 - 28 Mar 07
5/8
Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CND2047-DAG
Typical bias tuning
Tamb=25 C
Vdd
9GHz Frequency Divider by 4
1
1 nF Signal generator 50 Ohms load Tansmission lines are 50 Ohms 0 1 nF 180
8
1 nF Spectrum analyzer 50 Ohms load
1 nF
4
Fig.1: Typical measurement and RF biasing configuration (Differential inputs)
Vdd
1
Signal generator 50 Ohms load Tansmission lines are 50 Ohms
1 nF
8
5
1 nF
Q F/4 RF output (50 Ohms) QB F/4 RF output (50 Ohms)
1 nF
Fig.2: RF biasing configuration with single input
Fig.3: Chip block diagram
Ref. : DSCND2047-DAG7087 - 28 Mar 07 6/8 Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
4
5
9GHz Frequency Divider by 4
SOIC8 Mechanical Data
5+/-0.15 [20+/-0.006] 3.81 [.15] 1.27 [0.05]
CND2047-DAG
0.2 [0.006]
8
5
6+/-0,15 (,236+/-,006)
0.1+/-0.15 3,7 (1,45) [.004+/-.006] 1.4 [0.055]
1
0.4 [.015]
4
8 max unite: mm Unit: [In] Tolerance generale: +/-0.05 [general tolerance: +/-.002]
1.7 max
Pin out 1 2 3 4 5 6 7 8
Signal Vdd CK CKB Ground Ground QB Q Vdd
Ref. : DSCND2047-DAG7087 - 28 Mar 07
7/8
Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CND2047-DAG
9GHz Frequency Divider by 4
Ordering Information
SOIC8 RoHS compliant package: Stick: XY = 20 Tape& reel: XY = 21 CND2047-DAG/XY
Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors S.A.S. assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of United Monolithic Semiconductors S.A.S.. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. United Monolithic Semiconductors S.A.S. products are not authorised for use as critical components in life support devices or systems without express written approval from United Monolithic Semiconductors S.A.S.
Ref. : DSCND2047-DAG7087 - 28 Mar 07 8/8 Specifications subject to change without notice
Route Departementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09

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