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Absolute Maximum Ratings

Input Power (RFIN)

27 dBm (T= +85 °C)

Channel Temperature (Tc)

150 °C

Thermal Resistance

(channel to die bottom)

130 °C/W

Storage Temperature

-65 to +150 °C

Operating Temperature

-55 to +85 °C

ELECTROSTATIC SENSITIVE DEVICE

OBSERVE HANDLING PRECAUTIONS

Truth Table

Control Voltage

State

Bias Condition

Low (0)

-2.5 to -3.5V @ 0.4 μA Typ.

High (1)

0 to +0.3V @ 0.4 μA Typ.

Control Voltage Input

Phase Shift

(Degrees)

RFIN - RFOUT

Bit 1

Bit 2

Bit 3

Bit 3

Bit 4

Bit 4

Bit 5

Bit 5

Bit 6

Bit 6

0

0

01010101

Reference*

1

0

01010101

5.625

0

1

01010101

11.25

0

0

10010101

22.5

0

0

01100101

45.0

0

0

01011001

90.0

0

0

01010110

180.0

1

1

10101010

354.375

Any combination of the above states will provide a phase shift approximately equal to the sum of the bits selected.

*Reference corresponds to monotonic setting

Phase Error vs. State

GaAs MMIC 6-BIT DIGITAL

PHASE SHIFTER, 9 - 12 GHz

v01.0707

HMC643

-20

-15

-10

-5

0

5

10

15

20

0

45

90

135

180

225

270

315

360

STATE (degrees)

9 GHz

9.5, 10, 10.5, 11, 11.5, 12 GHz

Pad Number

Function

Description

Interface Schematic

1, 3, 4, 6

GND

These pads and die bottom

must be connected to RF/DC ground.

2

RFIN

This port is DC coupled and matched to 50 Ohms.

5

RFOUT

This port is DC coupled and matched to 50 Ohms.

7, 9,

11, 15

BIT6, BIT4

BIT3, BIT5

Inverted Control Input. See truth table

and control voltage tables.

8, 10, 12,

13, 14, 16

BIT6, BIT4, BIT3,

BIT2, BIT1, BIT5

Non-Inverted Control Input. See truth table

and control voltage tables.

Pad Descriptions