HMC644_09 Datasheet, PDF (4/6 Pages) Hittite Microwave Corporation – GaAs MMIC 5-BIT DIGITAL PHASE SHIFTER, 15 - 18.5 GHz

v00.0607
HMC644
GaAs MMIC 5-BIT DIGITAL
PHASE SHIFTER, 15 - 18.5 GHz
Phase Error vs. State
20
15
16,17,18,18.5 GHz
10
5
0
-5
-10
-15
-20
0
15 GHz
45 90 135 180 225 270 315 360
STATE (degrees)
Absolute Maximum Ratings
Input Power (RFIN)
Channel Temperature (Tc)
Thermal Resistance
(channel to die bottom)
Storage Temperature
Operating Temperature
27 dBm (T= +85 °C)
150 °C
130 °C/W
-65 to +150 °C
-55 to +85 °C
Control Voltage
State
Low (0)
High (1)
Bias Condition
-2.5 to -3.5V @ 0.4 μA Typ.
0 to +0.3V @ 0.4 μA Typ.
Truth Table
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Bit 1 Bit 2 Bit 2
Control Voltage Input
Bit 3
Bit 3
Bit 4
Bit 4
Bit 5
Bit 5
Phase Shift
(Degrees)
RFIN - RFOUT
0
0
1
0
1
0
1
0
1
Reference*
1
0
1
0
1
0
1
0
1
11.25
0
1
0
0
1
0
1
0
1
22.5
0
0
1
1
0
0
1
0
1
45.0
0
0
1
0
1
1
0
0
1
90.0
0
0
1
0
1
0
1
1
0
180.0
1
1
0
1
0
1
0
1
0
348.75
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
3
Pad Descriptions
Pad Number
Function
1, 3, 4, 6
GND
2
5
8, 9,
12, 14
7, 10, 11,
13, 15
RFIN
RFOUT
BIT5, BIT3
BIT2, BIT4
BIT5, BIT3, BIT1,
BIT2, BIT4
Description
These pads and die bottom
must be connected to RF/DC ground.
This port is DC coupled and matched to 50 Ohms.
This port is DC coupled and matched to 50 Ohms.
Inverted Control Input. See truth table
and control voltage tables.
Non-Inverted Control Input. See truth table
and control voltage tables.
Interface Schematic
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com
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