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MAATSS0019

Digital Attenuator, 4-Bit, Single Control, 15 dB

0.5 - 4.0 GHz

Features



Single Control CMOS Logic for Each Bit

Attenuation: 1 dB Steps to 15 dB

Low DC Power Consumption: 50 µW

Lead-Free TSSOP-16 Package

100% Matte Tin Plating over Copper

Halogen-Free “Green” Mold Compound

RoHS* Compliant and 260°C Reflow Compatible

Rev. V3

Functional Schematic

3,4

RF1

RF2

V

S

GND GND GND GND GND GND

Pin 16

Description

The M/A-COM MAATSS0019 is a 4 Bit, 1 dB step

GaAs MMIC digital attenuator in a lead-free TSSOP-

16 surface mount plastic package.

The

MAATSS0019 is ideally suited for use where high

accuracy, very low power consumption and low

intermodulation products are required.

Typical

applications include radio, cellular, wireless LANs,

GPS equipment and other gain / level control

circuits.

The MAATSS0019 is fabricated using a mature 1

micron GaAs MESFET process.

The process

features full chip passivation for increased

performance and reliability.

Pin 1

GND GND VC1 VC2 VC3 VC4 GND GND

8

4

2

1

3. Required external blocking caps shown.

4. VS can be applied at RF1 or RF2 using a 10K Ω or greater

pull-up resistor.

Ordering Information

1,2

Part Number

MAATSS0019

MAATSS0019TR

MAATSS0019SMB

Package

Bulk Packaging

1000 piece reel

Sample Board

Pin Configuration

Pin No.

1

2

3

4

5

6

7

8

Function

Ground

VC1

VC2

VC3

VC4

Ground

Pin No.

9

10

11

12

13

14

15

16

Function

RF Port 2

Ground

RF Port 1

1. Reference Application Note M513 for reel size information.

2. All sample boards include 5 loose parts.

* 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

MAATSS0019

Digital Attenuator, 4-Bit, Single Control, 15 dB

0.5 - 4.0 GHz

Electrical Specifications: T

A

= 25°C

Parameter

Reference Insertion Loss

Test Conditions

0.5 - 1.0 GHz

1.0 - 2.0 GHz

2.0 - 3.0 GHz

3.0 - 4.0 GHz

0.5 - 1.0 GHz

1.0 - 2.0 GHz

2.0 - 4.0 GHz

0.5 - 2.0 GHz

2.0 - 4.0 GHz

—

> 0.5 GHz

Measured Relative to Input Power, Two Tone

input up to 5 dBm, 5 MHz Spacing > 0.5 GHz

Measured Relative to Input Power, Two Tone

input up to 5 dBm, 5 MHz Spacing > 0.5 GHz

Units

dB

Min.

—

Typ.

1.3

1.6

1.8

2.5

Max.

1.6

—

Rev. V3

Attenuation Accuracy

VSWR

Trise, Tfall

Ton, Toff

Input P1dB

IP

2

IP

3

± (0.25 dB +5% of Atten. setting in dB) dB

± (0.4 dB +5% of Atten. setting in dB) dB Typical

± (0.6 dB +5% of Atten. setting in dB) dB Typical

Ratio

µS

dBm

—

1.3:1

2.5

1.0

24

80

47

—

Absolute Maximum Ratings

5,6

Parameter

Input Power

50 MHz

500 - 4000 MHz

Control Voltage

Operating Temperature

Storage Temperature

Absolute Maximum

+27 dBm

+34 dBm

+8 V, -1.0 V

-40°C to +85°C

-65°C to +150°C

Truth Table

7,8

VC1

1

0

VC2

1

0

1

0

VC3

1

0

1

0

VC4

1

0

1

0

Attenuation (dB)

Reference IL

1

2

4

8

15

5. Exceeding any one or combination of these limits may cause

permanent damage to this device.

6. M/A-COM does not recommend sustained operation near

these survivability limits.

7. 0 = 0 ± 0.2 V, 1 = +5 V @ 50 µA max. current total.

8. VS = +5 V.

Handling Procedures

Please observe the following precautions to avoid

damage:

Static Sensitivity

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.

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

MAATSS0019

Digital Attenuator, 4-Bit, Single Control, 15 dB

0.5 - 4.0 GHz

Typical Performance Curves

Relative Attenuation

16

14

12

10

8

6

4

2

0

1

2

3

4

0

1

2

3

4

2

4

Rev. V3

Insertion Loss

5

3

1

Frequency (GHz)

Input Return Loss

0

IL

1 dB

2 dB

4 dB

8 dB

15 dB

Output Return Loss

0

-10

-20

IL

1 dB

2 dB

4 dB

8 dB

15 dB

-30

-40

0

1

2

3

4

-40

0

1

2

3

4

Frequency (GHz)

Attenuation Accuracy

0.8

0.6

0.4

0.2

1 dB

2 dB

4 dB

8 dB

15 dB

Input IP3

50

45

40

0

-0.2

-0.4

-0.6

35

IL

1 dB

2 dB

4 dB

8 dB

15 dB

0

1

2

3

4

30

0

1

2

3

4

Frequency (GHz)

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

MAATSS0019

Digital Attenuator, 4-Bit, Single Control, 15 dB

0.5 - 4.0 GHz

Lead Free

TSSOP-16

†

Rev. V3

†

Reference Application Note M538 for lead-free solder reflow recommendations.

Meets JEDEC moisture sensitivity level 1 requirements.

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

MAATSS0019

Digital Attenuator, 4-Bit, Single Control, 15 dB

0.5 - 4.0 GHz

Rev. V3

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.

THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR

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

OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN

THESE MATERIALS. MACOM SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR

CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS,

WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.

MACOM products are not intended for use in medical, lifesaving or life sustaining applications. MACOM

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.

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

MAATSS0019_15

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