Digital Attenuator, 30 dB, 4-Bit

DC - 2.0 GHz

Rev. V1

MAADSS0009

2

2

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2

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

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

—

—

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

—

—

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

A

—

100

4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.

† 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

5. 0 = -0.2 V to 0 V, 1 = -8 V to -5 V.