HMC346ALP3E [ADI]
HMC346ALP3E;
ADI 
HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
8
Typical Applications
Features
The HMC346ALP3E is ideal for:
• Basestation Infrastructure
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar, & ECM
• Test Instrumentation
Wide Bandwidth: DC - 14 GHz
Low Phase Shift vs. Attenuation
30 dB Attenuation Range
Simplified Voltage Control
3 x 3 x 1 mm SMT Package
Functional Diagram
General Description
The HMC346ALP3E is an absorptive Voltage Variable
Attenuator (VVA) in low cost leadless surface mount
plastic package operating from DC - 14 GHz. It fea-
tures an on-chip reference attenuator for use with
an external op-amp to provide simple single voltage
attenuation control, 0 to -5V. The device is ideal in
designs where an analog DC control signal must con-
trol RF signal levels over a 30 dB amplitude range.
Electrical Specifications, TA = +25° C, 50 Ohm system
Parameter
Min
Typical
Max
Units
DC - 10GHz
DC - 14 Ghz
2.6
2.7
3.1
3.2
dB
dB
Insertion Loss
DC - 10 GHz
27
23
30
28
dB
dB
Attenuation Range
DC - 14 GHz
Return Loss
DC - 14 GHz
5
10
dB
tRISE, tFALL (10/90% RF):
tON, tOFF (50% CTL to 10/90% RF):
8
16
ns
ns
Switching Characteristics
Min. Atten:
Atten. >2 dB:
+10
+5
dBm
dBm
Input Power for 0.25 dB Compression (0.5 -14GHz)
Input Third Order Intercept (0.5 - 14 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
Min. Atten:
Atten. >2 dB:
+30
+10
dBm
dBm
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
8 - 1
HMC346ALP3E* PRODUCT PAGE QUICK LINKS
Last Content Update: 11/29/2017
COMPARABLE PARTS
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DESIGN RESOURCES
• HMC346ALP3E Material Declaration
• PCN-PDN Information
EVALUATION KITS
• Quality And Reliability
• HMC346ALP3 Evaluation Board
• Symbols and Footprints
DOCUMENTATION
Data Sheet
DISCUSSIONS
View all HMC346ALP3E EngineerZone Discussions.
• HMC346ALP3E: GaAs MMIC Voltage-Variable Attenuator,
DC - 14 GHz Data Sheet
SAMPLE AND BUY
Visit the product page to see pricing options.
REFERENCE MATERIALS
Product Selection Guide
TECHNICAL SUPPORT
Submit a technical question or find your regional support
number.
• RF, Microwave, and Millimeter Wave IC Selection Guide
2017
DOCUMENT FEEDBACK
Submit feedback for this data sheet.
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HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
8
Relative Attenuation
Insertion Loss vs. Temperature
0
-1
-2
-3
-4
-5
0
-10
-20
-30
-40
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
FREQUENCY (GHz)
FREQUENCY (GHz)
+85 C
5 dB
10dB
15 dB
20 dB
25 dB
30dB
Max
+25 C
-40 C
Relative Attenuation vs.
Return Loss vs. Attenuation
Control Voltage @ 10 GHz
0
0
-0.5
-1
-5
-10
-15
-20
-25
-30
-35
-1.5
-2
-2.5
-3
-3.5
-4
0
5
10
15
20
25
30
0
2
4
6
8
10
12
14
16
RELATIVE ATTENUATION (dB)
FREQUENCY (GHz)
5 dB
V1
V2
Min
Max
Relative Phase
180
Input IP3 vs. Attenuation*
40
35
30
25
20
15
10
5
150
120
90
60
30
0
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
FREQUENCY (GHz)
FREQUENCY (GHz)
5 dB
10dB
15 dB
20 dB
25 dB
30dB
Max
0 dB
3 dB
6 dB
10 dB
*Two-tone input power = -8 dBm each tone, 1 MHz spacing.
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
8 - 2
Application Support: Phone: 1-800-ANALOG-D
HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
Second Harmonic
vs. Attenuation, Pin = -8 dBm
90
8
Input IP2 vs. Attenuation*
90
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
FREQUENCY (GHz)
FREQUENCY (GHz)
0 dB
3 dB
6 dB
10 dB
0 dB
3 dB
6 dB
10 dB
0.25 dB Compression vs. Attenuation
20
1 dB Compression vs. Attenuation
20
15
10
5
15
10
5
0
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
FREQUENCY (Ghz)
FREQUENCY (Ghz)
0 dB
6 dB
0 dB
6 dB
*Two-tone input power = -8 dBm each tone, 1 MHz spacing.
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
8 - 3
Application Support: Phone: 1-800-ANALOG-D
HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
8
Absolute Maximum Ratings
RF Input Power
+18 dBm
State
V1
Bias Condition
DC Voltage on I Pin
Control Voltage Range
Storage Temperature
Operating Temperature
Junction Temperature
+/- 0.8V
-5 to 0V @ 9 mA typical.
-5 to 0V @ 9 mA typical.
+0.3 to -6V
V2
-65 to +150 °C
-40 to +85 °C
+175 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Junction to CaseThermal
Resistance
10 °C/W
Class 1A
ESD Sensitivity
Outline Drawing
DETAIL A
(JEDEC 95)
3.10
0.30
3.00 SQ
2.90
0.25
0.20
PIN 1
INDICATOR
PIN 1
INDICATOR AREA OPTIONS
13
16
(SEE DETAIL A)
0.50
BSC
12
1
EXPOSED
PAD
1.95
1.70 SQ
1.50
4
9
8
5
0.45
0.40
0.35
0.20 MIN
TOP VIEW
BOTTOM VIEW
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
0.90
0.85
0.80
0.05 MAX
0.02 NOM
COPLANARITY
0.08
SECTION OF THIS DATA SHEET.
SEATING
PLANE
0.20 REF
COMPLIANT WITH JEDEC STANDARDS MO-220-VEED-4.
16-Lead Lead Frame Chip Scale Package [LFCSP]
3 mm × 3 mm Body and 0.85 mm Package Height
(HCP-16-1)
Dimensions shown in millimeters
Package Information
Part Number
Package Body Material
Lead Finish
MSL Rating
MSL3 [1]
Package Marking [2]
H346A
XXXX
HMC346ALP3E
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
[[1] Max peak reflow temperature of 260 °C
[2] 4-Digit lot number XXXX
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
8 - 4
Application Support: Phone: 1-800-ANALOG-D
HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
8
Pin Descriptions
Pin Number
Function
GND
Description
Interface Schematic
Package bottom has exposed metal paddle that must also be
connected to PCB RF ground.
1, 3, 7, 10, 12
2, 11
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if the RF line potential is not equal to
0V.
RF1
RF2
4, 9, 13, 14, 15, 16
N/C
This pin should be connected to PCB RF ground.
5, 8
V2, V1
Control input (master).
600
6
I
Control input (slave).
Single-Line Control Driver
50
50
600
600
600
External op-amp control circuit maintains impedance match while attenuation is varied. Input control ranges from 0 Volts
(min. attenuation) to -5.0 Volts (max. attenuation.)
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
8 - 5
Application Support: Phone: 1-800-ANALOG-D
HMC346ALP3E
v02.0717
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
8
Evaluation PCB
List of Materials for Evaluation EV1HMC346ALP3 [1]
The circuit board used in the application should
be generated with proper RF circuit design tech-
niques. Signal lines at the RF ports should be 50
Ohm impedance and the package ground leads
and package bottom should be connected directly
to the PCB RF ground plane, similar to that shown
above. The evaluation circuit board shown above
is available from Analog Devices Inc. upon request.
Item
Description
J1 - J2
J3 - J6
U1
PCB Mount SMA RF Connector
DC Pin
HMC346ALP3E VVA
105695 Evaluation PCB
[2]
PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
8 - 6
Application Support: Phone: 1-800-ANALOG-D
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