V

RFSA3043

75Ω Voltage Controlled Attenuator (5 – 3000 MHz)

Data Sheet

–Rev E, Jan 4, 2019| Subject to change without notice

- 2 of 16 -

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®

Absolute Maximum Ratings

Parameter

Rating

-0.5 to +

 6.0 V

-0.5 to +

 6.0 V

Mode Pin Voltage (MODE)

-0.5 to +

 6.0 V

Storage Temperature Range

−65 to +150 °C

Exceeding any one or a combination of the Absolute Maximum Rating

conditions may cause permanent damage to the device. Extended

application of Absolute Maximum Rating conditions to the device may

reduce device reliability.

Recommended Operating Conditions

Parameter

Min

Typ

Max

Units

Operating Temperature

−40

+105

°C

Junction Temperature

+125

°C

RF Power Supply Voltage

3

5

5.5

V

Electrical specifications are measured at specified test conditions.

Specifications are not guaranteed over all recommended operating

conditions.

Electrical Specifications

Parameter

Min

Typ

Max

Unit

Steady state operation, current draw during attenuation

state transitions is higher.

2

mA

Thermal Resistance

taken at +85 °C from backside of PCB

35

°C / W

RF Input Power

27

dBm

Frequency Range

5

3000

MHz

Minimum Insertion Loss

1.5

2.0

dB

Gain Control Range

30

35

dB

Gain v Temperature

Peak to peak gain variation over temperature for fixed

control voltage

1.5

dB

Return Loss

15

dB

Relative Phase

Insertion phase at 15 dB attenuation relative to

Minimum attenuation

5

degree

Input 1 dB Compression Point

30

dBm

Input IP3

/ 2)

50

dBm

Input IP2

IM2 is f1 + f2

80

dBm

Input IH2

H2 is second harmonic

85

dBm

Input IH3

 / 2)

H3 is third harmonic

55

dBm

CSO

55.25

 MHz to 865.25 MHz, 132 channel, +38 dBmV

Input, flat tilt

-80

dBc

CTB

-75

dBc

XMOD

-70

dBc

Voltage Control Range

Positive Attenuation Slope

5

 V control voltage is lowest insertion loss

MODE pin high

0

5

V

Voltage Control Range

Negative Attenuation Slope

0

 V control voltage is lowest insertion loss

MODE pin low

0

5

V

Voltage Control Pin Current

 V

MODE pin high

37

µA

Voltage Control Pin Current

 V

MODE pin low

37

µA

MODE Pin Logic Low

0.4

V

MODE Pin Logic High

1

V

Setting Time

1

 dB attenuation change settling with 0.1 dB

10

µSec

Notes: