Digital Attenuator, 30 dB, 4-Bit
DC - 2.0 GHz
Rev. V1
MAADSS0009
1
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
1
Features
Attenuation 2-dB Steps to 30 dB
High Accuracy
Low Intermodulation Product: +50 dBm IP3
Low DC Power Consumption: 50 µW
Temperature Stability +/-0.15 dB: -40°C to +85°C
Lead-Free SOIC-16 Plastic Package
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
260°C Reflow Compatible
RoHS* Compliant Version of AT-220
Description
M/A-COM’s MAADSS0009 is a 4-bit, 2-dB step
GaAs MMIC digital attenuator in a lead-free SOIC
16-lead surface mount plastic package. The
MAADSS0009 is ideally suited for use where high
accuracy, fast switching, very low power
consumption and low intermodulation products are
required. Typical applications include radio and
cellular equipment, wireless LANs, GPS equipment
and other Gain/Level Control circuits.
The MAADSS0009 is fabricated with a monolithic
GaAs MMIC using a mature 1-micron process. The
process features full chip passivation for increased
performance and reliability.
Ordering Information1
Part Number Package
MAADSS0009 Lead-Free SOIC 16-Lead
MAADSS0009TR-3000 3000 piece reel
1. Reference Application Note M513 for reel size information.
Absolute Maximum Ratings 2,3
Parameter Absolute Maximum
Input Power
50 MHz
500-2000 MHz
+27 dBm
+34 dBm
Control Voltage -8.5 V VC 5V
Operating Temperature -40°C to +85°C
Storage Temperature -65°C to +150°C
Pin Configuration
Pin No. Function Pin No. Function
1 VC1 9 RF2
2 VC1 10 GND
3 VC2 11 GND
4 VC2 12 GND
5 VC3 13 GND
6 VC3 14 GND
7 VC4 15 GND
8 VC4 16 RF1
Functional Schematic
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
RF1 GND GND GND GND GND GND RF2
16 dB 8 dB 4 dB 2 dB
VC1 VC1 VC2 VC2 VC3 VC3 VC4 VC4
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.
Digital Attenuator, 30 dB, 4-Bit
DC - 2.0 GHz
Rev. V1
MAADSS0009
2
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
2
Electrical Specifications: TA = 25°C, VC = 0 V / -5 V, Z0 = 50
Parameter Test Conditions Units Min. Typ. Max.
Insertion Loss (reference state)
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
dB
dB
dB
—
—
—
1.5
1.6
1.8
1.7
1.8
2.1
Attenuation Accuracy 4 DC - 1.0 GHz
DC - 2.0 GHz
± (0.15 dB + 3% of Atten Setting in dB) dB
± (0.30 dB + 4% of Atten Setting in dB) dB
VSWR Ratio — 1.2:1 —
Trise, Tfall 10% to 90% RF, 90% to 10% RF nS — 12 —
Ton, Toff 50% Control to 90% RF,
50% Control to 10% RF nS — 18 —
Transients In-Band mV — 25 —
1 dB Compression Input Power, 0.05 GHz
Input Power, 0.5 - 2.0 GHz
dBm
dBm
—
—
20
28
—
—
IP2
Measured Relative to Input Power
(For two-tone input power up to +5 dBm)
0.05 GHz
0.5 - 2.0 GHz
dBm
dBm
—
—
45
68
—
—
IP3
Measured Relative to Input Power
(For two-tone input power up to +5 dBm)
0.05 GHz
0.5 - 2.0 GHz
dBm
dBm
—
—
40
50
—
—
Control Current |VC| = 5 V A — 100
4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
Lead-Free SOIC-16†
† Reference Application Note M538 for lead-free solder reflow
recommendations.
Control Inputs
VC
4
VC
4
VC
3
VC
3
VC
2
VC
2
VC
1
VC
1
Attenution
(dB)
1 0 1 0 1 0 1 0 Reference
State
0 1 1 0 1 0 1 0 2 dB
1 0 0 1 1 0 1 0 4 dB
1 0 1 0 0 1 1 0 8 dB
1 0 1 0 1 0 0 1 16 dB
0 1 0 1 0 1 0 1 30 dB
Truth Table 5
5. 0 = -0.2 V to 0 V, 1 = -8 V to -5 V.
Digital Attenuator, 30 dB, 4-Bit
DC - 2.0 GHz
Rev. V1
MAADSS0009
3
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
3
Typical Performance Curves
Insertion Loss Attenuation
VSWR Attenuation Accuracy
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
0.0 0.5 1.0 1.5 2.0
AttenDev 2
AttenDev4
Attendev8
AttenDev16
AttenDev30
Frequency (GHz)
0
1
2
3
0.0 0.5 1.0 1.5 2.0
+25°C
-40°C
+85°C
Frequency (GHz)
-30
-25
-20
-15
-10
-5
0
0.0 0.5 1.0 1.5 2.0
Frequency (GHz)
1.0
1.2
1.4
1.6
1.8
2.0
0.0 0.5 1.0 1.5 2.0
IL
2 dB
4 dB
8 dB
16 dB
Frequency (GHz)
Digital Attenuator, 30 dB, 4-Bit
DC - 2.0 GHz
Rev. V1
MAADSS0009
4
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
4
M/A-COM Technology Solutions Inc. All rights reserved.
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products. These materials are provided by MACOM as a service to its customers and may be used for
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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,
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WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.
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