Digital Attenuator

31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz

Rev. V5

MAATCC0010

3

3

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3

VSWR @ Insertion Loss

Attenuation Error, 1 dB Bit

Attenuation Error, 2 dB Bit

Typical Performance Curves

Insertion Loss

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.

Moisture Sensitivity

The MSL rating for this part is defined as Level 2

per IPC/JEDEC J-STD-020. Parts shall be stored

and/or baked as required for MSL Level 2 parts.

Truth Table (Digital Attenuator)

C16

C8

C4

C2

C1

Attenuation

0

0

0

0

0

Loss, Reference

0

0

0

0

1

1.0 dB

0

0

0

1

0

2.0 dB

0

0

1

0

0

4.0 dB

0

1

0

0

0

8.0 dB

1

0

0

0

0

16.0 dB

1

1

1

1

1

31.0 dB

0 = TTL Low; 1 = TTL High

1.0

2.0

3.0

4.0

0

1000

2000

3000

4000

Frequency (MHz)

1.00

2.00

3.00

0

1000

2000

3000

4000

Frequency (MHz)

Inp ut

Out p ut

-0.1

0

0.1

0.2

0.3

0

1000

2000

3000

4000

Frequency (MHz)

-0.1

0

0.1

0.2

0.3

0

1000

2000

3000

4000

Frequency (MHz)