English
Language : 

HMC648_09 Datasheet, PDF (4/6 Pages) Hittite Microwave Corporation – GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz
v02.1109
HMC648
GaAs MMIC 6-BIT DIGITAL
PHASE SHIFTER, 2.9 - 3.9 GHz
Phase Error vs. State
10
3.1, 3.3, 3.5, 3.7, 3.9 GHz
5
0
-5
-10
2.9 GHz
-15
0
45 90 135 180 225 270 315 360
STATE (degrees)
Absolute Maximum Ratings
Input Power (RFIN)
Bias Voltage Range (Vdd)
Bias Voltage Range (Vss)
Channel Temperature (Tc)
Thermal Resistance
(channel to die bottom)
Storage Temperature
Operating Temperature
33 dBm (T= +85 °C)
-0.2 to +12V
+0.2 to -12V
150 °C
120 °C/W
-65 to +150 °C
-55 to +85 °C
3
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Truth Table
Bit 1
Control Voltage Input
Bit 2 Bit 3 Bit 4 Bit 5
Bit 6
Phase Shift
(Degrees)
RFIN - RFOUT
0
0
0
0
0
0
Reference*
1
0
0
0
0
0
5.625
0
1
0
0
0
0
11.25
0
0
1
0
0
0
22.5
0
0
0
1
0
0
45.0
0
0
0
0
1
0
90.0
0
0
0
0
0
1
180.0
1
1
1
1
1
1
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
Bias Voltage & Current
Vdd
5.0
Vss
-5.0
Idd
5.2mA
Iss
5.2mA
Control Voltage
State
Low (0)
High (1)
Bias Condition
0 to 0.2 Vdc
Vdd ±0.2 Vdc @ 35 μA Typ.
Pad Descriptions
Pad Number
Function
Description
Interface Schematic
1
RFIN
This port is DC coupled and matched to 50 Ohms.
2, 11
3
4 - 6,
8 - 10
7
12
GND
Vdd
BIT1, BIT2, BIT3,
BIT4, BIT5. BIT6
Vss
RFOUT
These pads and die bottom
must be connected to RF/DC ground.
Supply voltage.
Control Input. See truth table
and control voltage tables.
Supply voltage.
This port is DC coupled and matched to 50 Ohms.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
3 - 41