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DATA SHEET ? AA103-72/-72LF 1-BIT DIGITAL ATTENUATOR
Table 3. AA103-72/-72LF Electrical Specifications (Note 1)
( V CTL = 0/3 V Characteristic Impedance [Z O ] = 50 Ω , Unless Otherwise Noted)
Parameter
Insertion loss (Note 2)
IL
Symbol
Test Condition (Note 2)
10 MHz to 0.5 GHz
Min
Typical
0.3
Max
0.5
Units
dB
Attenuation range
0.5 G Hz to 1 .0 GHz
1 .0 G Hz to 2.5 GHz
0.3
0.4
10
0.6
0.7
dB
dB
dB
Attenuation accuracy (Note 3)
10 MHz to 1.0 GHz
1 .0 G Hz to 2.5 GHz
± (0. 25 + 3 % of attenuation setting)
± (0.4 + 5% of attenuation setting)
dB
dB
Voltage Standing Wave Ratio (I/O)
Voltage Standing Wave Ratio (attenuation
VSWR
VSWR
10 MHz to 2.5 GHz
0.0 1 GHz to 2.5 GHz
1.2:1
1.5:1
1.4:1
2.0:1
–
–
state) (Note 4)
Switching characteristics (Note 4):
Rise/fall
On/off
Video feedthrough
1 dB Input Compression Point
3 rd Order Input Intercept Point
IP1dB
IIP3
10/90% or 90/10% RF
50% V CTL to 90/10% RF
T RISE = 1 ns,
bandwidth = 500 MHz
0.5 to 2.5 GHz:
V S = 3 V ,
V S = 5 V
For two - tone input ,
1 50
300
70
+20
+2 6
ns
ns
mV
dBm
dBm
P IN = +10 dBm/tone,
0.5 to 2.5 GHz:
V S = 3 V
V S = 5 V
+41
+4 5
dBm
dBm
Control voltages
V CTL
V CTL = V LOW
V CTL = V HIGH
0
3 @ 25 μ A
0.2
5 @ 50 μ A
V
V
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2 : Insertion loss changes by 0.003 dB/ ° C.
Note 3 : Maximum attenuation includes insertion loss.
Note 4 : Switching characteristics vary with value chosen for bypass capacitor.
Table 4. AA103-72/-72LF Truth Table
typical to 5 V
typical
J1 to J2
Insertion loss
Attenuation
Note :
V HIGH = +3 V to +5 V (V S = V HIGH ± 0.2 V).
V1
(Pin 4)
V HIGH
0
V2
(Pin 6)
0
V HIGH
All other conditions not recommended.
Skyworks Solutions, Inc. ? Phone [781] 376 - 3000 ? Fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com
200199C ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? February 24, 2011
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