MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Features
Rev. V3
Functional Schematic
Single Positive Voltage Control, 0 to +2.25 Volts
42 dB Typical Attenuation Range at 2.4 GHz
Low DC Power Consumption
Lead-Free SOT-25 Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
RoHS* Compliant Version of AT-119
5
VCC
4
VCTL
Description
M/A-COM’s MAAVSS0001 is a GaAs MMIC voltage
variable absorptive attenuator in a lead-free
SOT-25 surface mount plastic package. M/A-COM
fabricates the MAAVSS0001 with a proven
monolithic GaAs 0.5 micron gate process that
features full chip passivation for performance and
reliability.
1
RF
2
GND
3
RF
100pF
100pF
Applications
The MAAVSS0001 is ideally suited for applications
that require fine tuning, linear attenuation with
voltage, and very low power consumption.
Pin Configuration
Typical applications for the MAAVSS0001 include
automatic gain control circuits in satellite radio
receivers and other wireless receivers.
1
Ordering Information
Pin
Function
Description
1
RF
RF (input / output)
2
GND
Ground
3
RF
RF (input / output)
4
VCTL
Control Voltage
5
VCC
DC Supply Voltage
Part Number
Package
MAAVSS0001
Bulk Packaging
Absolute Maximum Ratings 2,3
MAAVSS0001TR-3000
3000 piece reel
@ TA = +25°C (unless otherwise specified)
MAAVSS0001SMB
Sample Test Board
(Includes 5 Samples)
1. Reference Application Note M513 for reel size information.
Parameter
Absolute Maximum
Input Power
+21 dBm
Supply Voltage VCC
-1 V VCC +8 V
Control Voltage VCTL
-1 V VCTL VCC +0.5 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
2. Exceeding any one or combination of these limits may cause
permanent damage to this device.
3. M/A-COM does not recommend sustained operation near
these survivability limits.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Rev. V3
Electrical Specifications: TA = 25°C, Frequency = 2.4 GHz, VCC = 3.3 V, Z0 = 50
Parameter
Test Conditions 4,5
Units
Min.
Typ.
Max.
Insertion Loss
VCTL = 2.25 V
dB
—
2.4
3.2
Maximum Attenuation
VCTL = 0.5 V
dB
37
42
—
Attenuation Slope
0.75 V < VCTL < 1.75 V
dB/V
24
—
—
Return Loss
0.0 V < VCTL < 0.75 V
0.75 V < VCTL < 1.75 V
1.75 V < VCTL < 2.25 V
dB
dB
dB
—
—
—
6
10
14
—
—
—
Input Power for 1dB Change in Attenuation
0.75 V < VCTL < 2.25 V
dBm
—
10
—
Input 3rd Order Intercept Point
0.75 V < VCTL < 2.25 V
dBm
—
15
—
Switching Speed
50% VCTL to 10% / 90% RF
nS
—
100
—
Transients
VCTL = 3 V, In-Band
mV
—
10
—
4. External DC blocking capacitors are required on all RF ports.
5. VCC = +3.3 V @ 50 µA typical. VCTL = 0 V to +2.25 V @ 50 µA typical.
Handling Procedures
Application Schematic
VCC
VCTL
Static Sensitivity
100 pF
RF IN/
OUT
Please observe the following precautions to avoid
damage:
220 pF
100 pF
RF IN/
OUT
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
15 pF
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Rev. V3
Typical Performance Curves
Attenuation vs. Control Voltage @ +25°C
Insertion Loss vs. Frequency
@ 2.25 V Control Voltage
4.0
0
3.5
10
3.0
20
2.5
2.0
30
1.5
40
+25°C
-40°C
+85°C
1.0
1.8 GHz
2.1 GHz
2.4 GHz
50
0.5
0.0
60
0.5
1.0
1.5
2.0
2.5
3.0
3.0
2.5
Frequency (GHz)
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
Attenuation vs. Frequency @ 0.0 V Control Voltage
Typical Device Variation, 2.4 GHz
0
0
10
10
20
20
30
30
40
40
50
50
+25°C
-40°C
+85°C
60
60
3.0
2.5
2.0
1.5
1.0
0.5
0.5
0.0
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Control Voltage (Volts)
Return Loss vs. Control Voltage
Insertion Loss Delta Normalized to +25°C (-40°C)
8
0
6
-5
4
-10
2
0
-15
-2
-20
1.8 GHz
2.1 GHz
2.4 GHz
1.8 GHz
2.1 GHz
2.4 Ghz
-4
-25
-6
-8
-30
2.0
1.5
1.0
Control Voltage (Volts)
0.5
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Rev. V3
Typical Performance Curves
Insertion Loss Delta Normalized to +25°C (+85°C)
Input IP3 vs. Control Voltage @ +25°C
8
40
6
35
4
30
2
25
0
20
-2
15
1.8 GHz
2.1 GHz
2.4 GHz
-4
10
-6
5
-8
0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.5
Control Voltage (Volts)
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
Input Power for 1 dB Change in Attenuation
Input IP3 vs. Control Voltage over Temperature
40
30
IIP3 @ +25C
IIP3 @ +85C
IIP3 @ -40C
35
25
30
20
25
20
15
15
10
10
5
1.8 GHz
2.4 GHz
5
0
3.0
2.5
2.0
1.5
1.0
Control Voltage (Volts)
0.5
0.0
0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (V)
4
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Rev. V3
Lead-Free SOT-25†
† Reference Application Note M538 for lead-free solder reflow recommendations.
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAVSS0001
2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Rev. V3
M/A-COM Technology Solutions Inc. All rights reserved.
Information in this document is provided in connection with M/A-COM Technology Solutions Inc ("MACOM")
products. These materials are provided by MACOM as a service to its customers and may be used for
informational purposes only. Except as provided in MACOM's Terms and Conditions of Sale for such products or
in any separate agreement related to this document, MACOM assumes no liability whatsoever. MACOM
assumes no responsibility for errors or omissions in these materials. MACOM may make changes to
specifications and product descriptions at any time, without notice. MACOM makes no commitment to update
the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future
changes to its specifications and product descriptions. No license, express or implied, by estoppels or otherwise,
to any intellectual property rights is granted by this document.
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IMPLIED, RELATING TO SALE AND/OR USE OF MACOM PRODUCTS INCLUDING LIABILITY OR
WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR
INCIDENTAL DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR
OTHER INTELLECTUAL PROPERTY RIGHT. MACOM FURTHER DOES NOT WARRANT THE ACCURACY
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WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.
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customers using or selling MACOM products for use in such applications do so at their own risk and agree to
fully indemnify MACOM for any damages resulting from such improper use or sale.
6
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support