Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC-4.0 GHz
V 7.00
AT90-0107
Features
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CSP-1
Attenuation: 0.5 dB Steps to 31.5 dB
Low DC Power Consumption
Small Footprint, JEDEC Package
Integral TTL Driver
50 ohm Impedance
Test Boards are Available
Tape and Reel Packaging Available
Description
M/A-COM's AT90-0107 is a GaAs FET 6-bit digital
attenuator with integral TTL driver. Step size is 0.5 dB pro-
viding a 31.5 dB total attenuation range. This device is in
an FQFP-N plastic surface mount package. The AT90-0107
is ideally suited for use where accuracy, fast speed, very
low power consumption and low costs are required.
Electrical Specifications T
A
= +25擄C
Parameter
Insertion Loss
Attenuation
Accuracy
Test Conditions
鈥?/div>
Individual Bits 0.5-1-2-4-8-16 dB
Any Combination of Bits
1 to 31.5 dB
Full Range
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
鈥?/div>
鈥?/div>
Two-tone inputs up to +5 dBm
鈥?/div>
鈥?/div>
Sink Current is 20 碌A(chǔ) max.
Source Current is 20 碌A(chǔ) max.
Vcc min to max, Logic 鈥?鈥?or 鈥?鈥?/div>
-Vee min to max, Logic 鈥?鈥?or 鈥?鈥?/div>
Frequency
DC - 4.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
Units
dB
dB
dB
Min
鈥?/div>
鈥?/div>
鈥?/div>
Typical
4.5
鈥?/div>
鈥?/div>
Max
5.1
鹵(.3 +7% of atten setting)
鹵(.5 +8% of atten setting)
VSWR
Switching Speed
1 dB
Compression
Input IP
3
+Vcc
-Vee
Logic 鈥?鈥?/div>
Logic 鈥?鈥?/div>
Icc
-Iee
DC - 4.0 GHz
鈥?/div>
鈥?/div>
50 MHz
0.5 - 4.0 GHz
50 MHz
0.5-4.0 GHz
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Ratio
nS
nS
dBm
dBm
dB
dB
V
V
V
V
mA
mA
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
4.75
-8.0
0.0
2.0
鈥?/div>
鈥?/div>
2.0:1
75
20
+21
+29
+35
+48
5.0
-5.0
鈥?/div>
鈥?/div>
0.2
-0.2
2.2:1
150
50
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5.25
-4.75
0.8
5.0
6
-1
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