ATN3580 Series: Fixed Attenuator Pads

DATA SHEET
ATN3580 Series: Fixed Attenuator Pads
Applications
 Attenuators
Features
 Specified flat response to 40 GHz
 Return loss > 16 dB to 40 GHz
 Available at 1–10, 12, 15, 20, 30 and 40 dB
 Power handling to 1 W CW
 Rugged thin-film silicon chips
 Lead (Pb)-free, RoHS-compliant, and Green™
Description
The ATN3580 series of attenuator chips incorporates thin-film
resistors on high-resistivity silicon to achieve precision
attenuation, tight flatness and excellent return loss to 40 GHz. The
design uses a balanced TEE resistive structure to assure broad
bandwidth performance. The thin-film technology offers improved
power-handling capability in comparison to the traditional thickfilm printed attenuator. All ATN3580 attenuator chips are
specified for their attenuation at DC. A wafer probe sample test is
performed to 40 GHz to assure the flatness specification. The
absolute maximum ratings are shown in Table 1. Electrical
specifications and minimum return loss are provided in Tables 2
and 3, respectively. Typical performance characteristics are
shown in Figures 1 and 2. Drawings for suggested die mount and
ribbon attachment, product outlines, and a suggested land pattern
are shown in Figures 3 through 7.
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
Table 1. Absolute Maximum Ratings
Characteristic
Value
Incident power @ 25 °C
1W
Operating temperature
–55 °C to +150 °C
Storage temperature
–65 °C to +150 °C
Electrostatic discharge:
Charged-Device Model (CDM), Class 4
Human Body Model (HBM), Class 2
Machine Model (MM), Class B
1000 V
2000 V
200 V
Note: Exposure to maximum rating conditions for extended periods may reduce device
reliability. There is no damage to device with only one parameter set at the limit
and all other parameters set at or below their nominal value. Exceeding any of the
limits listed here may result in permanent damage to the device.
CAUTION: Although this device is designed to be as robust as
possible, Electrostatic Discharge (ESD) can damage
this device. This device must be protected at all times
from ESD. Static charges may easily produce
potentials of several kilovolts on the human body or
equipment, which can discharge without detection.
Industry-standard ESD precautions should be used at
all times.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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1
DATA SHEET • ATN3580 SERIES: FIXED ATTENUATOR PADS
Table 2. Electrical Specifications at 25 C
Attenuator Flatness
Nominal Attenuation
(dB)
DC Tolerance
(dB)
0.1 to 12 GHz
(dB)
0.1 to 26.5 GHz
(dB)
0.1 to 40 GHz
(dB)
Outline Drawing
Part Number
1
±0.15
0.2
0.4
0.6
516-060
ATN3580-01
2
±0.15
0.2
0.4
0.6
516-060
ATN3580-02
3
±0.25
0.2
0.4
0.6
516-060
ATN3580-03
4
±0.25
0.2
0.4
0.6
516-060
ATN3580-04
5
±0.25
0.3
0.5
0.8
516-060
ATN3580-05
6
±0.25
0.3
0.5
0.8
518-060
ATN3580-06
7
±0.25
0.3
0.5
0.8
518-060
ATN3580-07
8
±0.35
0.3
0.5
0.8
518-060
ATN3580-08
9
±0.35
0.3
0.5
0.8
518-060
ATN3580-09
10
±0.35
0.4
0.6
1.0
518-060
ATN3580-10
12
±0.50
0.4
0.6
1.0
518-060
ATN3580-12
15
±0.50
0.4
0.6
1.0
518-060
ATN3580-15
20
±1.10
0.4
0.6
1.0
518-060
ATN3580-20
30
±1.60
0.6
1.0
2.0
518-060
ATN3580-30
40
±1.60
1.0
2.0
4.0
518-060
ATN3580-40
Note:
Performance is guaranteed only under the conditions listed in this Table.
Table 3. Minimum Return Loss S11
0.1 to 7 GHz
(dB)
0.1 to 12 GHz
(dB)
0.1 to 26.5 GHz
(dB)
0.1 to 40 GHz
(dB)
25
23
18
15
ATN3580 Series
Note:
Performance is guaranteed only under the conditions listed in this Table.
Typical Performance Characteristics
11
30
Return Loss (dB)
Attenuation (dB)
Flatness
10
9
0
10
20
30
Frequency (GHz)
Figure 1. ATN3580-10
Typical Attenuation vs Frequency
40
20
10
0
0
10
20
30
Frequency (GHz)
Figure 2. ATN3580-10
Typical Input Return Loss vs Frequency
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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40
DATA SHEET • ATN3580 SERIES: FIXED ATTENUATOR PADS
Suggested Die Mount and Ribbon Attachment Drawings, Outline Drawings, and a Suggested Land
Pattern
1 mil [0.02 mm] Gold Wire
Ø0.010 inch [0.25 mm]
Vias
1 mil [0.02 mm] Gold Wire
3 mil Au [0.08 mm]
Ribbon
250 mil long [0.64 mm]
2 Places
Ø0.010 inch [0.25 mm]
Vias
3 mil Au [0.08 mm]
Ribbon
250 mil long [0.64 mm]
2 Places
Ground
Ground
Input/Output
Input/Output
Input/Output
Input/Output
Ground
Ground
Y0346
Y0381
Figure 3. Suggested Die Mount and Ribbon Attachment
(1 to 5 dB)
Coplanar Resistor
Pads Must
Be Grounded
0.005
(0.127 mm)
0.001
(0.025 mm)
See Note 3
2 Places
0.029 ± 0.002
(0.737 mm)
0.009
0.022
(0.559 mm)
0.0075 (0.191 mm)
0.0055 (0.140 mm)
0.012 (0.30 mm)
0.010 (0.25 mm) Typ.
Input/Output
0.002 (0.05 mm)
Min. Typ.
0.030 (0.76 mm)
0.002 (0.051 mm)
See Note 4
0.0045 (0.114 mm)
0.0035 (0.089 mm)
2 Places
0.027
(0.686 mm)
Out
Schematic
Att. Pads
In
Figure 4. Suggested Die Mount and Ribbon Attachment
(≥ 6 dB)
0.032
(0.81 mm)
See Note 3
2 Places
Coplanar
Resistor,
Pads Must
Be Grounded
0.020
(0.51 mm)
0.026
(0.66 mm)
0.0055 (0.140 mm)
0.0045 (0.114 mm)
2 Places
0.027 ± 0.002
(0.686 mm)
0.006 (0.15 mm)
0.004 (0.10 mm)
Typ. Sq.
0.029
(0.74 mm)
Silicon
Schematic Att. Pads
0.0075 (0.190 mm)
0.0055 (0.140 mm)
In
0.0075 (0.190 mm)
0.0055 (0.140 mm)
1. Cross hatching = gold contact areas.
2. Dimensions not specified in this drawing vary per attenuation value.
3. Indicates attenuation value.
4. This dimension can be as high as 0.012 for high attenuation values.
Figure 5. 518-060 Outline Drawing
1. Cross hatching = gold contact areas.
2. Dimensions not specified in this drawing vary per attenuation value.
3. Indicates attenuation value.
4. This dimension can be as high as 0.012 for high attenuation values.
Figure 6. 516-060 Outline Drawing
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200141I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 27, 2013
Out
DATA SHEET • ATN3580 SERIES: FIXED ATTENUATOR PADS
0.030 [0.76 mm]
0.047 [1.19 mm]
Ø0.010 [0.25 mm] Vias
6X
4X 0.040 [1.02 mm]
0.140 [3.56 mm]
0.070 [1.78 mm]
0.010 [0.25 mm]
0.045 [1.13 mm]
0.030 [0.76 mm] Typ
0.062 [1.57 mm]
0.124 [3.15 mm]
Notes:
1. Material: Alumina 99.6%
Dielectric Constant: 9.9
Efffective Dielectric Constant: 6.8
Transmission Line Width: 0.010 inch
Substrate Thickness: 0.010 inch
Coplanar Gap: 0.025 inch
3. Unless otherwise specified:
Dimensions are in inches
Tolerances on finish: RMS 63
Angles ± 0.5° Fractions: ± 1/64
4 place decimals: ± 0.0005
3 place decimals: ± 0.005
2 place decimals: ± 0.02
2. Plating: Gold 100 to 150 micro-inches
4. Commercial published tolerances shall apply to tubing,
bar, plate, etc. All threads to be Class 2A or Class 2B. Plated
parts must fit gauges and meet specified tolerances
after plating.
Y0344
Figure 7. Suggested Land Pattern
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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November 27, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200141I
DATA SHEET • ATN3580 SERIES: FIXED ATTENUATOR PADS
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sa[email protected] • www.skyworksinc.com
200141I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 27, 2013