Digital Attenuator

15.0 dB, 4-Bit, TTL Driver, DC-3.0 GHz

Rev. V5

MAATCC0008

2

2

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2

Parameter

Test Conditions

Frequency

Units

Min

Typ

Max

Insertion Loss

—

DC - 0.5 GHz

DC - 2.0 GHz

DC - 3.0 GHz

dB

dB

dB

—

—

—

1.5

1.8

2.1

1.9

2.2

2.6

Attenuation Accuracy

Any Bit or Combination of Bits

DC - 3.0 GHz

dB

± (.25 + 3% of attenuation) or ± .55 dB,

Whichever is greater

VSWR

Full Range

DC - 3.0 GHz

Ratio

—

—

1.6:1

Trise, Tfall

Ton, Toff

Transients

10% to 90%

50% Cntl to 90%/10% RF

In-Band

10% to 90%

50% Cntl to 90%/10% RF

In-Band

nS

nS

mV

—

—

—

10

30

35

50

150

—

Switching Speed

50% Cntl to 90%/10% RF

10% to 90% or 90% to 10%

—

—

ns

ns

—

—

25

4

—

—

1 dB Compression

—

50 MHz

0.5 - 3.0 GHz

dBm

dBm

—

—

+21

+27

—

—

Input IP3

Two-tone Inputs up to +5 dBm

50 MHz

0.5 - 3.0 GHz

dBm

dBm

—

—

+35

+48

—

—

Input IP2

Two-tone inputs up to +5 dBm

0.05 GHz

0.5 - 3.0 GHz

dBm

dBm

—

—

+43

+73

—

—

Vcc

—

—

—

V

V

4.5

-8.0

5.0

-5.0

5.5

-4.75

LOW-level input voltage

HIGH-level input voltage

—

—

V

V

0.0

2.0

—

—

0.8

5.0

lin (Input Leakage Current)

—

uA

-1.0

—

1.0

Icc

(Quiescent Supply Current)

—

uA

—

250

400

ΔIcc

(Additional Supply Current Per

TTL Input Pin)

—

mA

—

—

1.0

—

mA

-1.0

-0.2

—

Parameter

Absolute Maximum

Max. Input Power

0.05 GHz

0.5 - 3.0 GHz

+27 dBm

+34 dBm

Operating Temperature

-40ºC to +85ºC

Storage Temperature

-65ºC to +125ºC

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.

4.

Standard CMOS TTL interface, latch-up will occur if logic

signal is applied prior to power supply.

Recommended PCB Configuration