2.25 V Voltage Variable Absorptive Attenuator, 42 dB
1.8 - 2.5 GHz
Features
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
Rev. V3
Functional Schematic
5
V
CC
4
V
CTL
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.
Typical applications for the MAAVSS0001 include
automatic gain control circuits in satellite radio
receivers and other wireless receivers.
Pin Configuration
Pin
1
2
3
Function
RF
GND
RF
V
CTL
V
CC
Description
RF (input / output)
Ground
RF (input / output)
Control Voltage
DC Supply Voltage
Ordering Information
1
Part Number
MAAVSS0001
MAAVSS0001TR-3000
MAAVSS0001SMB
4
Package
Bulk Packaging
3000 piece reel
Sample Test Board
(Includes 5 Samples)
5
Absolute Maximum Ratings
2,3
@ T
A
= +25°C (unless otherwise specified)
Parameter
Input Power
Supply Voltage V
CC
Control Voltage V
CTL
Operating Temperature
Storage Temperature
Absolute Maximum
+21 dBm
-1 V
V
CC
+8 V
-1 V
V
CTL
V
CC
+0.5 V
-40°C to +85°C
-65°C to +150°C
1. Reference Application Note M513 for reel size information.
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
Electrical Specifications: T
A
= 25°C, Frequency = 2.4 GHz, V
CC
= 3.3 V, Z
0
= 50
Parameter
Insertion Loss
Maximum Attenuation
Attenuation Slope
Return Loss
Input Power for 1dB Change in Attenuation
Input 3rd Order Intercept Point
Switching Speed
Transients
Rev. V3
Test Conditions
4,5
V
CTL
= 2.25 V
V
CTL
= 0.5 V
0.75 V < V
CTL
< 1.75 V
0.0 V < V
CTL
< 0.75 V
0.75 V < V
CTL
< 1.75 V
1.75 V < V
CTL
< 2.25 V
0.75 V < V
CTL
< 2.25 V
0.75 V < V
CTL
< 2.25 V
50% V
CTL
to 10% / 90% RF
V
CTL
= 3 V, In-Band
Units
dB
dB
dB/V
dB
dB
dB
dBm
dBm
nS
mV
Min.
—
37
24
—
—
—
—
—
—
—
Typ.
2.4
42
—
6
10
14
10
15
100
10
Max.
3.2
—
—
—
—
—
—
—
—
—
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.
Application Schematic
V
CC
V
CTL
Handling Procedures
Please observe the following precautions to avoid
damage:
100 pF
RF IN/
OUT
Static Sensitivity
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
Typical Performance Curves
Insertion Loss vs. Frequency
@ 2.25 V Control Voltage
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
+25°C
-40°C
+85°C
40
1.8 GHz
2.1 GHz
2.4 GHz
20
Rev. V3
Attenuation vs. Control Voltage @ +25°C
0
10
30
50
60
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Frequency (GHz)
Control Voltage (Volts)
Typical Device Variation, 2.4 GHz
0
Attenuation vs. Frequency @ 0.0 V Control Voltage
0
10
10
20
20
30
30
40
40
50
50
+25°C
-40°C
+85°C
60
3.0
2.5
2.0
1.5
1.0
0.5
0.0
60
0.5
1.0
1.5
2.0
2.5
3.0
Control Voltage (Volts)
Frequency (GHz)
Return Loss vs. Control Voltage
0
Insertion Loss Delta Normalized to +25°C (-40°C)
8
6
4
-5
-10
2
0
-2
-15
-20
1.8 GHz
2.1 GHz
2.4 GHz
-4
-6
-8
-25
1.8 GHz
2.1 GHz
2.4 Ghz
-30
2.0
1.5
1.0
0.5
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
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
Typical Performance Curves
Insertion Loss Delta Normalized to +25°C (+85°C)
8
6
4
2
0
-2
-4
-6
-8
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.8 GHz
2.1 GHz
2.4 GHz
Rev. V3
Input IP3 vs. Control Voltage @ +25°C
40
35
30
25
20
15
10
5
0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
Control Voltage (Volts)
Input Power for 1 dB Change in Attenuation
30
Input IP3 vs. Control Voltage over Temperature
40
35
30
IIP3 @ +25C
IIP3 @ +85C
IIP3 @ -40C
25
20
25
20
15
15
10
10
5
1.8 GHz
2.4 GHz
5
0
3.0
0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
2.0
1.5
1.0
0.5
0.0
Control Voltage (Volts)
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
Lead-Free SOT-25
†
Rev. V3
† 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.
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