HMC656LP2E
to
HMC658LP2E
v02.0112
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz
HMC656LP2E / HMC657LP2E / HMC658LP2E
Typical Applications
The HMC656LP2E - HMC658LP2E are ideal for:
• Fiber Optics
• Microwave Radio
• Military & Space
• Test & Measurement
• Scientific Instruments
Features
3 Attenuator Products:
10, 15, & 20 dB Fixed Attenuation Levels
Wide Bandwidth: DC - 25 GHz
Excellent Attenuation Accuracy
Power Handling: +25 dBm
6 Lead 2x2mm SMT Package: 4mm
2
12
PASSIVES - SMT
• RF / Microwave Circuit Prototyping
Functional Diagrams
General Description
The HMC656LP2E / 657LP2E / 658LP2E are a
line of wideband fixed value SMT 50 Ohm matched
attenuators which offer relative attenuation levels
of 10, 15 and 20 dB respectively. These passive
attenuators are ideal for military, test equipment, and
other wideband applications where extremely flat
attenuation, and excellent VSWR vs. frequency are
required.
These wideband attenuators handle up to +25 dBm
of input power, and are compatible with high volume
surface mount manufacturing techniques.
Electrical Specifications,
T
A
= +25° C, 50 Ohm system
Part Number
HMC656LP2E
HMC657LP2E
HMC658LP2E
Attenuator Value
10
15
20
Return Loss
(Min.)
Return Loss
(Typ.)
Attenuation Tolerance
DC - 25
7
7
7
12
14
12
± 1.5
± 2.0
±2.0
0.0004
0.0006
0.0004
[1]
Temperature Coefficient (Typical)
[2]
Units
GHz
dB
dB
dB
[1] Attenuation Tolerance is valid over temperature.
[2] Temperature Coefficient Units are dB/ °C.
12 - 1
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices,
For price, delivery and to
for its use, nor for any infringements of patents or
Corporation, 20 Alpha Road, Chelmsford, MA 01824
Inc.,
responsibility is assumed by Analog Devices
place orders: Hittite Microwave
other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
781-329-4700 • Order online at www.analog.com
Phone:
On-line at www.hittite.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC656LP2E
to
HMC658LP2E
v02.0112
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz
HMC656LP2E / HMC657LP2E / HMC658LP2E
Attenuation vs. Temperature
0
Return Loss
0
-5
RETURN LOSS (dB)
HMC658
-5
ATTENUATION (dB)
HMC656LP2
-10
-15
-20
HMC657
-10
-15
HMC657LP2
-20
HMC658LP2
-25
-30
5
10
15
20
25
30
0
5
10
HMC656
-25
0
15
20
25
30
FREQUENCY (GHz)
FREQUENCY (GHz)
12
PASSIVES - SMT
12 - 2
Absolute Maximum Ratings
Part Number
RF Input Power (CW)
DC Voltage Terminated
DC Voltage Open
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
Class 1B
HMC656LP2E
25
4.9
5.3
HMC657LP2E
25
4.4
4.6
-65 to +150
-40 to +85
Class 1B
Class 1B
HMC658LP2E
25
4.8
4.9
Units
dBm
V
V
°C
°C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices,
For price, delivery and to
for its use, nor for any infringements of patents or
Corporation, 20 Alpha Road, Chelmsford, MA 01824
Inc.,
responsibility is assumed by Analog Devices
place orders: Hittite Microwave
other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC656LP2E
to
HMC658LP2E
v02.0112
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz
HMC656LP2E / HMC657LP2E / HMC658LP2E
Outline Drawing
12
PASSIVES - SMT
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE
SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED
LAND PATTERN.
Package Information
Part Number
HMC656LP2 through
HMC658LP2
HMC656LP2E through
HMC658LP2E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection
Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
NNN
XXX
NNN
XXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 3-Digit lot number XXX
Pin Descriptions
Pin Number
1, 3, 4, 6
Function
GND
Description
Package bottom must be connected to RF/DC ground.
Interface Schematic
2, 5
RF1, RF2
This pin is DC coupled and matched to 50 Ohms.
Use DC Blocking capacitors if the input / output signals
have non-zero DC potential
12 - 3
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices,
For price, delivery and to
for its use, nor for any infringements of patents or
Corporation, 20 Alpha Road, Chelmsford, MA 01824
Inc.,
responsibility is assumed by Analog Devices
place orders: Hittite Microwave
other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
781-329-4700 • Order online at www.analog.com
Phone:
On-line at www.hittite.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC656LP2E
to
HMC658LP2E
v02.0112
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz
HMC656LP2E / HMC657LP2E / HMC658LP2E
Evaluation PCB
12
PASSIVES - SMT
List of Materials for Evaluation PCB 119197
[1]
Item
J1 - J2
U1
PCB [2]
Description
PCB Mount SMA Connector
HMC656LP2E through HMC658LP2E
Passive Attenuator
119194 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the final application should
be generated with proper RF circuit design tech-
niques. Signal lines at the RF port should have 50
ohm impedance and the package ground leads and
exposed paddle should be connected directly to the
ground plane similar to that shown above. The eval-
uation circuit board shown above is available from
Hittite Microwave Corporation upon request.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices,
For price, delivery and to
for its use, nor for any infringements of patents or
Corporation, 20 Alpha Road, Chelmsford, MA 01824
Inc.,
responsibility is assumed by Analog Devices
place orders: Hittite Microwave
other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 978-250-3343 or apps@hittite.com
12 - 4
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