HMC650
TO
HMC658
v01.0308
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 50 GHz
HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657 / 658
Typical Applications
Features
Wide Bandwidth: DC - 50 GHz
9 Attenuator Products:
0, 2, 3, 4, 6, 10, 15, & 20 dB Fixed Levels
Power Handling: +25 dBm
HMC651 & HMC658
Die Size: 0.57 x 0.45 x 0.1 mm
HMC650, HMC652, HMC653, HMC654
HMC655, HMC656 & HMC657
Die Size: 0.42 x 0.45 x 0.1 mm
Included in the HMC-DK006 Designer’s Kit
2
PASSIVES - CHIP
The HMC650 through HMC658 are ideal for:
• Fiber Optics
• Microwave Radio
• Military & Space Hybrids
• Test & Measurement
• Scientific Instruments
• RF / Microwave Circuit Prototyping
Functional Diagrams
General Description
The HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657
/ 658 are a line of wideband fixed value 50 Ohm mat-
ched attenuator chips which offer relative attenuation
levels of 0, 2, 3, 4, 6, 10, 15 and 20 dB. These passive
though-lines and attenuators are ideal for microstrip,
hybrid, and multi-chip module applications where
extremely flat attenuation, and excellent VSWR vs.
frequency are required.
HMC650, HMC652, HMC653, HMC654,
HMC655, HMC656 & HMC657
These wideband attenuators feature low inductance
on-chip vias, and require no additional ground
connections. The HMC650 through HMC658 are
backside metallized with gold, and are suitable for
eutectic or epoxy die attach. Each of the 9 products
can be purchased individually by their respective
part number or in a set of 10 each in the HMC-DK006
Fixed Attenuator Chip Designer’s Kit.
HMC651, HMC658
2-2
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC650
TO
HMC658
v01.0308
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 50 GHz
HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657 / 658
Electrical Specifi cations,
T
A
= +25° C, 50 Ohm system
[1]
Return Loss
Part Number
HMC650
HMC651
HMC652
HMC653
HMC654
HMC655
HMC656
HMC657
HMC658
Attenuator Value
DC - 25
Thru Line (short)
Thru Line (long)
2 dB
3 dB
4 dB
6 dB
10 dB
15 dB
20 dB
20.3
19.0
22.0
23.0
20.5
16.5
16.9
20.0
17.5
±0.2
±0.3
±0.2
±0.2
±0.2
±0.2
±0.1
±0.4
±0.5
12.4
12.3
15.3
22.1
22.4
17.0
18.8
19.7
16.2
25 - 50
±0.8
±0.9
±0.6
±0.5
±0.5
±0.6
±0.7
±1.3
±1.6
GHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
Attenuation Tolerance
Return Loss
Attenuation Tolerance
Units
2
PASSIVES - CHIP
RF Data with Wire Bonds
[1]
Attenuation vs. Temperature
HMC652, HMC653, HMC654, HMC655
0
HMC652
Attenuation vs. Temperature
HMC656, HMC657, HMC658
0
-2
ATTENUATION (dB)
ATTENUATION (dB)
HMC653
-5
HMC656
-4
HMC654
-10
HMC657
-6
HMC655
-15
-8
-20
HMC658
-10
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
-25
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
Return Loss
HMC652, HMC653, HMC654, HMC655
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
HMC655
HMC654
HMC653
HMC652
Return Loss
HMC656, HMC657, HMC658
0
-5
RETURN LOSS (dB)
-10
-15
-20
HMC657
HMC656
HMC658
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
[1] Data taken with die mounted to plate and RF probed through two 1 mil diameter wire bonds.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
2-3
HMC650
TO
HMC658
v01.0308
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 50 GHz
HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657 / 658
RF Data with Ribbon Bonds
[2]
2
PASSIVES - CHIP
Attenuation vs. Temperature
HMC652, HMC653, HMC654, HMC655
0
HMC652
Attenuation vs. Temperature
HMC656, HMC657, HMC658
0
-2
ATTENUATION (dB)
HMC653
-5
ATTENUATION (dB)
HMC656
-4
HMC654
-10
-6
HMC655
-15
HMC657
-8
-20
HMC658
-10
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
-25
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
Return Loss
HMC652, HMC653, HMC654, HMC655
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
HMC655
HMC654
HMC653
HMC652
Return Loss
HMC656, HMC657, HMC658
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
HMC658
HMC657
HMC656
[2] Data taken with die mounted to plate and RF probed through two 3 x 0.5 mil ribbon bonds.
2-4
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC650
TO
HMC658
v01.0308
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 50 GHz
HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657 / 658
RF Data Die Only
[3]
Attenuation vs. Temperature
HMC652, HMC653, HMC654, HMC655
0
HMC652
Attenuation vs. Temperature
HMC656, HMC657, HMC658
0
2
PASSIVES - CHIP
-2
ATTENUATION (dB)
ATTENUATION (dB)
HMC653
-5
HMC656
-4
HMC654
-10
HMC657
-6
HMC655
-15
-8
-20
HMC658
-10
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
-25
0
5
10
15
20
25
30
35
40
45
50
FREQUENCY (GHz)
Return Loss
HMC652, HMC653, HMC654, HMC655
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
HMC655
HMC654
HMC653
HMC652
Return Loss
HMC656, HMC657, HMC658
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
0
10
20
30
40
50
FREQUENCY (GHz)
HMC658
HMC657
HMC656
Absolute Maximum Ratings
Part Number
RF Input Power (CW)
DC Voltage Terminated
DC Voltage Open
Storage Temperature
Operating Temperature
HMC650
N/A
N/A
N/A
HMC651
N/A
N/A
N/A
HMC652
27
5.6
5.6
HMC653
26
5.2
5.1
HMC654
25
4.9
4.6
-65 to +150
-55 to +85
HMC655
26
5.2
6.0
HMC656
25
4.9
5.3
HMC657
25
4.4
4.6
HMC658
25
4.8
4.9
Units
dBm
V
V
°C
°C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
[3] Data taken with die mounted to a plate and RF probed directly on die.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
2-5
HMC650
TO
HMC658
v01.0308
WIDEBAND FIXED ATTENUATOR FAMILY, DC - 50 GHz
HMC650 / 651 / 652 / 653 / 654 / 655 / 656 / 657 / 658
Outline Drawing
HMC650, HMC652, HMC653, HMC654, HMC655, HMC656 HMC657
2
PASSIVES - CHIP
Die Packaging Information
Standard
GP-5 (Gel Pack)
[2]
[1]
Alternate
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
NOTES:
1. ALL DIMENSIONS ARE IN INCHES (MILLIMETERS).
2. TYPICAL BOND PAD IS .004” SQUARE.
3. TYPICAL BOND PAD SPACING IS .006” CENTER TO
CENTER EXCEPT AS NOTED.
4. BACKSIDE METALIZATION: GOLD
5. BACKSIDE METAL IS GROUND
6. BOND PAD METALIZATION: GOLD
7. DO NOT BOND ON TOP OF GROUND VIAS
8. OVERALL DIE SIZE ±0.002”
Outline Drawing
HMC651 & HMC658
2-6
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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