CHA3513_15 Datasheet, PDF (3/10 Pages) United Monolithic Semiconductors – 6-18GHz 3 bit Digital Variable Amplifier

6-18GHz Digital Variable Amplifier
CHA3513
Absolute Maximum Ratings
Tamb. = 25°C (1)
Symbol
Parameter
Values
Unit
Vd
Maximum Drain bias voltage ( Pads B,D,F)
+5
V
Id
Drain bias current with Vd=4.5V
450
mA
Vg
Gate bias voltage (Pads A,C,E)
-2 to +0.4
V
Vc
Attenuator bits & SPST control voltage
-7 to +0.6
V
Pin
Maximum input power overdrive (2)
+20.0
dBm
Tch
Maximum channel temperature
+175
°C
Ta
Operating temperature range
-40 to +70
°C
Tstg
Storage temperature range
-55 to +125
°C
(1) Operation of this device above anyone of these parameters may cause permanent damage.
(2) Duration < 1s.
3bit VGA Control interface
The attenuator states are controlled by 6 voltages. The SPST switch is controlled by 2
voltages.
Theoretical
state ^attenuation _10A
dB
(V)
0 0 référence -5
1
5
-5
2 10 config.1 0
3 15 config.1 0
4 15 config.2 -5
6 10 config.2 -5
7
25
0
8
Isolation
-5
Voltage CONTROL PAD
10B
5A
(V)
(V)
0
-5
0
0
-5
-5
-5
0
0
0
0
-5
-5
0
0
-5
5B
10A1
(V)
(V)
0
-5
-5
-5
0
-5
-5
-5
-5
0
0
0
-5
0
0
-5
10B1
(V)
0
0
0
0
-5
-5
-5
0
Switch control
G
H
-5
0
-5
0
-5
0
-5
0
-5
0
-5
0
-5
0
0
-5
Ref. : DSCHA3513-8144 - 23 May 08
3/10
Specifications subject to change without notice
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