HMC472LP4_09 Datasheet, PDF (4/8 Pages) Hittite Microwave Corporation – 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz

HMC472LP4 / 472LP4E
v06.1108
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.8 GHz
Relative Phase vs. Frequency
(Only Major States are Shown)
100
80
60
40
31.5 dB
16 dB
20
8 dB
0
-20
0.5-4 dB
-40
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Worst Case Step Error
5
Between Successive Attenuation States
1
0.6
0.2
-0.2
-0.6
-1
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bias Voltage & Current
Vdd
(V)
+4.5
+5.0
+5.5
Vdd = +5V ± 10%
Idd (Typ.)
(mA)
4.7
5.0
5.3
Control Voltage
State
Low
High
Note: Vdd = +5V
Bias Condition
0 to +0.8 Vdc @ -5 uA Typ.
+ 2.0 to + 5.0 Vdc @ 40 uA Typ.
Truth Table
V1
16 dB
Control Voltage Input
V2
8 dB
V3
4 dB
V4
2 dB
V5
1 dB
V6
0.5 dB
Attenua-
tion State
RF1 - RF2
High
High
High
High High
High
Reference
I.L.
High High High High High Low
0.5 dB
High High High High Low High
1 dB
High High High Low High High
2 dB
High High Low High High High
4 dB
High Low High High High High
8 dB
Low High High High High High
16 dB
Low Low Low Low Low Low
31.5 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
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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