HMC470LP3 Datasheet, PDF (3/6 Pages) Hittite Microwave Corporation – 1 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz

HMC470LP3 / 470LP3E
v02.0605
1 dB LSB GaAs MMIC 5-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
Worst Case Step Error
Between Successive Attenuation States
6
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bias Voltage & Current
Vdd = +5.0 Vdc ± 10%
Vdd
(VDC)
Idd (Typ.)
(mA)
+4.5
4.0
+5.0
4.2
+5.5
4.4
Control Voltage
State
Low
High
Note: Vdd = +5V
Bias Condition
0 to +0.8V @ -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
Attenuation
State
RF1 - RF2
High
High
High
High
High
Reference
I.L.
High
High
High
High
Low
1 dB
High
High
High
Low
High
2 dB
High
High
Low
High High
4 dB
High
Low
High
High High
8 dB
Low
High
High
High
High
16 dB
Low
Low
Low
Low
Low
31 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
6 - 146
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