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| CHT4016 RoHS COMPLIANT 4-16GHz 6-BIT DIGITAL ATTENUATOR GaAs Monolithic Microwave IC Description The CHT4016 is a 4-16GHz 6-bit digital attenuator designed to address a dynamic of 31.5dB by 0.5dB step. This device is manufactured on pHEMT 0.25m process, including via holes through the substrate. Main Features Frequency range: 4 -16GHz 6-bit digital control interface 0.5dB Attenuator step 31.5dB Dynamic 0.5dB RMS attenuation error Chip dimensions: 3.64 x 1.54 x 0.1mm 4GHz< Freq. < 16GHz Attenuation versus attenuator state from 4 to 16GHz Main Characteristics V+ = 5V / V- = -5V Symbol Freq Dyn IL Rms_att P1dB Parameter Frequency range Dynamic Insertion loss RMS attenuation error Input power @ 1dB gain compression Min 4 Typ Max 16 Unit GHz dB dB dB dBm 31.5 6.5 0.5 18 ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions! Ref. : DSCHT40169090 - 31 Mar 09 1/10 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 CHT4016 Electrical Characteristics T= +25 C Symbol Freq IL S11 S22 P1dB Dyn LSB 4-16GHz Digital Attenuator Parameters Operating frequency Insertion Loss Input Return Loss Output Return Loss Input power at 1dB gain compression Dynamic Attenuator elementary step Attenuation error Attenuation state 1-32 Min 4 Typ Max 16 Unit GHz dB dB dB dBm dB dB 6.5 -15 -15 18 31.5 0.5 0.5 0.8 -2.5 / +0.8 0.5 dB dB Att_err Attenuation state 33-50 Attenuation state 51-63 Rms_att RMS attenuation error Phase variation Attenuation state 1-32 Phivar Attenuation state 33-50 Attenuation state 51-63 Rms_phivar V+ VVctrl_L Vctrl_H I_V+ I_VRMS phase variation Positive supply voltage Negative supply voltage Control voltage low level Control voltage high level Positive supply DC current Negative supply DC current -0.5 0 / +7 -2.5 / +8 -5 / +10 4.5 5 -5 0 -5 6 18 -4 V V V V mA mA Ref. : DSCHT40169090 - 31 Mar 09 2/10 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 4-16GHz Digital Attenuator Absolute Maximum Ratings (1) T= +25 C Symbol V+ VP_RF Ta Tstg Parameter Maximum positive bias voltage Minimum negative bias voltage Maximum peak input power overdrive Operating temperature range Storage temperature range Values 6 -6 21 CHT4016 Unit V V dBm C C -40 to +85 -55 to +125 (1) Operation of this device above anyone of these paramaters may cause permanent damage. Ref. : DSCHT40169090 - 31 Mar 09 3/10 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 CHT4016 Typical Measurements T= +25 C 4-16GHz Digital Attenuator [S] parameters S21 vs. Frequency Attenuator state 0 S11 vs. Frequency All attenuator states S22 vs. Frequency All attenuator states Ref. : DSCHT40169090 - 31 Mar 09 4/10 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 4-16GHz Digital Attenuator CHT4016 Attenuator performances: Attenuation error Attenuation error vs. frequency Attenuation error vs. Attenuator state All attenuator states 4GHz< Freq. < 16GHz RMS of Attenuation error Attenuation vs. attenuator state 4GHz < Freq.< 16GHz Ref. : DSCHT40169090 - 31 Mar 09 5/10 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 CHT4016 4-16GHz Digital Attenuator Attenuator performances: Phase variation Phase variation vs. frequency Phase variation vs. Attenuator state All attenuator states 4GHz< Freq. < 16GHz RMS of Phase variation Ref. : DSCHT40169090 - 31 Mar 09 6/10 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 4-16GHz Digital Attenuator CHT4016 Mechanical dimensions and pad allocation Chip thickness = 100m +/- 10m. RF pads (1, 10) = 122 x 100m DC and control pads (2 to 9) = 100 x 100m Pin number 1 2 3 4 5 6 7 8 9 10 Pad name I A1 A2 A3 A4 A5 A6 -5V +5V O Description Input RF: Attenuator bit 1 Attenuator bit 2 Attenuator bit 3 Attenuator bit 4 Attenuator bit 5 Attenuator bit 6 -5V supply voltage: interface +5V supply voltage: interface Output RF Ref. : DSCHT40169090 - 31 Mar 09 7/10 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 CHT4016 Bonding recommendations 4-16GHz Digital Attenuator Port I (1) O (10) Connection Inductance (Lbonding) = 0.3nH two wires: diameter 25m, length 0.5m Inductance (Lbonding) = 0.8nH one wire: diameter 25m, length 1mm DC and Interface pads Recommended assembly diagram Recommended ESD management Refer to the application note AN0020 available at http://www.ums-gaas.com for ESD sensitivity and handling recommendations for the UMS products. Ref. : DSCHT40169090 - 31 Mar 09 8/10 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 4-16GHz Digital Attenuator Biasing conditions CHT4016 Pin number 2 3 4 5 6 7 8 9 Pad name A1 A2 A3 A4 A5 A6 -5V +5V Value -5V or 0V -5V or 0V -5V or 0V -5V or 0V -5V or 0V -5V or 0V -5V +5V Biasing conditions Ref. : DSCHT40169090 - 31 Mar 09 9/10 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 CHT4016 Attenuator control table Voltage to apply on the pads A1 to A6 state 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Att (dB) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 15.5 16 A6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -5 A5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 0 A4 0 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 0 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 0 A3 0 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 A2 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 A1 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 4-16GHz Digital Attenuator 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 16.5 17 17.5 18 18.5 19 19.5 20 20.5 21 21.5 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31 31.5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 0 0 0 0 0 0 0 0 -5 -5 -5 -5 -5 -5 -5 -5 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 0 0 0 -5 -5 -5 -5 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 0 0 -5 -5 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 0 -5 Ordering Information Chip form : CHT4016-99F/00 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. : DSCHT40169090 - 31 Mar 09 10/10 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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