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HRF-AT4510
15.5 dB, DC-4GHz, 5 Bit Parallel Digital Attenuator
Features
Very Low DC Power Consumption Attenuation In Steps From 0.5 dB To 15.5 dB Single Or Dual Power Supply Voltages Parallel Data Interface 50 Ohm Compatible Impedance Space Saving VQFN Surface Mount Packaging
Product Description
The Honeywell HRF-AT4510 is a 5-bit digital attenuator that is ideal for use in broadband communication system applications that require accuracy, speed and low power consumption. The HRF-AT4510 is manufactured with Honeywell's patented Silicon On Insulator (SOI) CMOS manufacturing technology, which provides the performance of GaAs with the economy and integration capabilities of conventional CMOS.
HRF-AT4510 in VQFN Package
RF Electrical Specifications @ + 25oC
Results @ Vdd = 5.0 +/- 10%, Vss = 0 unless otherwise stated, Z0 = 50 Ohms Contact Honeywell for relative performance at other supply configurations Parameter Test Condition Frequency Minimum Typical
Insertion Loss DC - 0.5 GHz 2.0 GHz 3.0 GHz 4.0 GHz 1.0 GHz 2.0 GHz 1.0 GHz 2.0 GHz 1.60 2.00 2.40 4.40 22.5 21.0 28.5 27.0 36.0 >36.0 -11 -15 +/-(0.17 + 3% of programmed IL) +/-(0.22 + 3% of programmed IL) +/-(0.33 + 3% of programmed IL) +/-(0.45 + 3% of programmed IL) 10 15 30
Maximum
2.20 2.40 2.90 5.00
Units
dB dB dB dB dBm dBm dBm dBm dBm dBm dB dB dB dB dB nS nS mV
1dB Compression 1dB Compression Input IP3
VSS = 0V, Input Power VSS = - 3, Input Power
VSS = 0V Two-tone inputs Up To +5 dBm @ 0 dB 2.0 GHz Attenuation Input IP3 Vss = - 3 Two-tone inputs Up To + 5 2.0 GHz dBm @ 0 dB Attenuation Return Loss* Any Bit or Combination of DC - 4.0 GHz Bits Attenuation Accuracy All attenuation states DC - 1.0 GHz All attenuation states 2.0 GHz All attenuation states 3.0 GHz All attenuation states 4.0 GHz Trise, Tfall* 10% To 90% Ton, Toff (Tpd) 50% Cntl To 90%/10%RF Transients In-Band 0.01uF Decoupling Capacitors Required On Power Supply Rails. *By design Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 1
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Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
Functional Schematic
S4 S3 S2 S1 S0
ESD, Buffer, Level Shift
RF In
RF Out
8dB
4dB
2dB
1dB
.5dB
DC Electrical Specifications @ + 25oC
Parameter Minimum VDD 3.31 VSS IDD Power Supply Current CMOS Logic level (0) 0 CMOS Logic level (1) VDD - 0.8 Input Leakage Current Note 1, performance curves are for VDD= +5.0 +/- 10% Typical 5.0 Maximum 5.5 -5.0 35 0.8 VDD 10 Units V V uA V V uA
Absolute Maximum Ratings2
Parameter Input Power VDD VSS ESD Voltage Operating Temperature Storage Temperature Digital Inputs Absolute Maximum + 35 +6.0 -5.5 400 -40 To +85 -65 To +125 VDD+0.6 max to -0.6 min Units dBm V V V Degrees C Degrees C V
(Note 2) Operation of this Device beyond any of these parameters may cause permanent damage. Latch-Up: Unlike conventional CMOS digital attenuators, Honeywell's HRF-AT4510 is immune to latch-up. . ESD Protection: Although the HRF-AT4510 contains ESD protection circuitry on all digital inputs, conventional precautions should be taken to ensure that the Absolute Maximum Ratings are not exceeded.
________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 2 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
Package Outline Drawing
This package conforms to the LPCCTM 4 x 4 mm 24 lead body dimensions. See ASAT LPCC Marketing Outline Dwg. # DGMJ00004 Latest Rev. at http://www.asat.com for additional dimensional information. See Application Note 310, VQFN Surface Mount Application, on our web site at http://www.mysoiservices.com/ for assembly recommendations.
Pin Configuration
Pin
1 2 3 4 5 6 7 8 9 10 11 12
Function
VDD GROUND GROUND RF INPUT GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND
Pin
13 14 15 16 17 18 19 20 21 22 23 24
Function
GROUND GROUND RF OUTPUT GROUND VSS GROUND S0 S1 S2 S3 S4 OPEN
Note: Bottom ground plate must be grounded for proper RF performance.
Truth Table
S4 0 0 0 0 0 1 1 S3 0 0 0 0 1 0 1 S2 0 0 0 1 0 0 1 S1 0 0 1 0 0 0 1 S0 0 1 0 0 0 0 1 Output Reference Input 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB
Operation: Data on parallel input "S" pins are independently buffered and presented to the RF attenuator circuits. "0" = CMOS Low, "1" = CMOS High. ________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 3 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
Evaluation Circuit Board
Honeywell's evaluation board provides an easy to use method of evaluating the RF performance of our attenuator. Simply connect power, DC and RF signals to be measuring attenuator performance in less than 10 minutes.
HRF-AT4510 Evaluation Board
Evaluation Circuit Board Layout Design Details
Item PCB Attenuator Chip Capacitor RF Connector DC Pin Description Impedance Matched Multi-Layer FR4 HRF-AT4510 Digital Attenuator Panasonic Model ECU-E1C103KBQ Capacitor, .01uf 0402 10% 16V Johnson Connectors Model 142-0701-801 SMA RF Coaxial Connector Mil-Max Model 800-10-064-10-001 Header Pins
Evaluation Circuit Board Connections
Open VDD S4 Gnd S3 S2 S1 S0 VSS Gnd
RF In
HRF-AT4510 Evaluation Board Top View
RF Out
HRF-AT4510 Honeywell
________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 4 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
Performance Curves
Insertion Loss
AT4510 Insertion Loss By Attenuation State Vs Frequency
0 0 -2 -4 0.5 1
S12(00000) S12(00001) S12(00010) S12(00011) S12(00100) S12(00101) S12(00110) S12(00111) S12(01000) S12(01001) S12(01010) S12(01011) S12(01100) S12(01101) S12(01110) S12(01111) S12(10000) S12(10001) S12(10010) S12(10011) S12(10100) S12(10101) S12(10110) S12(10111) S12(11000) S12(11001) S12(11010) S12(11011) S12(11100) S12(11101) S12(11110) S12(11111)
Frequency (GHz)
1.5 2 2.5 3 3.5 4
Insertion Loss (dB)
-6 -8 -10 -12 -14 -16 -18 -20
Return Loss
AT4510 Return Loss By Attenuation State Vs Frequency
0 0 -10 0.5 1 S11(00000) S11(00001) S11(00010) S11(00011) S11(00100) S11(00101) S11(00110) S11(00111) S11(01000) S11(01001) S11(01010) S11(01011) S11(01100) S11(01101) S11(01110) S11(01111) S11(10000) S11(10001) S11(10010) S11(10011) S11(10100) S11(10101) S11(10110) S11(10111) S11(11000) S11(11001) S11(11010) S11(11011) S11(11100) S11(11101)
Frequency (GHz)
1.5 2 2.5 3 3.5 4
S11 Return Loss (dB)
-20
-30
-40
-50
-60
________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 5 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
AT4510 Return Loss By Attenuation State Vs Frequency
0 0 -10 0.5 1
Frequency (GHz)
1.5 2 2.5 3 3.5 4
-20
-30
-40
-50
-60
S22(00000) S22(00001) S22(00010) S22(00011) S22(00100) S22(00101) S22(00110) S22(00111) S22(01000) S22(01001) S22(01010) S22(01011) S22(01100) S22(01101) S22(01110) S22(01111) S22(10000) S22(10001) S22(10010) S22(10011) S22(10100) S22(10101) S22(10110) S22(10111) S22(11000) S22(11001) S22(11010) S22(11011) S22(11100) S22(11101) S22(11110) S22(11111)
Step Accuracy
AT4510 Step Accuracy Vs Attenuation
0.5 0.3 0.1
Step To Step Delta (dB)
S22 Return Loss (dB)
-0.1 StepAcc@0.01GHz -0.3 -0.5 -0.7 -0.9 -1.1 -1.3 -1.5 0 2 4 6 8 10 12 14 16 StepAcc@0.1GHz StepAcc@0.5GHz StepAcc@1GHz StepAcc@2GHz StepAcc@3GHz StepAcc@4GHz
Programmed Attenuation (dB)
________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 6 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295
HRF-AT4510
Relative Accuracy
AT4510 Relative Accuracy Vs Attenuation
1.5
1
RelAcc@0.01GHz RelAcc@0.1GHz RelAcc@0.5GHz RelAcc@1GHz
Relative Accuracy (dB)
0.5
RelAcc@2GHz RelAcc@3GHz RelAccMax RelAccMin
0 0 -0.5 2 4 6 8 10 12 14 16
-1
-1.5
Programmed Attenuation (dB)
Ordering Information
Ordering Number
HRF-AT4510-TR HRF-AT4510-E
(Note 3) Call Honeywell for details
On Tape And Reel3 On Individual Engineering Evaluation Board
Delivery Method
Units Per Shipment
3000 Units Per Reel One Board Per Box
Honeywell reserves the right to make changes to improve reliability, function or design. Honeywell does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others.
________________________________________________________________________________________________________
Web Site: Email: 2004 4510W www.mysoiservices.com mysoiservices@honeywell.com Published August 2004 Page 7 Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth, Minnesota 55441-4799 1-800-323-8295

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