Digital Attenuator, 15.5 dB, 5-Bit,
TTL Driver, DC-3.5 GHz
V 6.00
AT90-0283
Features
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n
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CSP-1
Attenuation: 0.5 dB Steps to 15.5 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 AT90-0283 is a GaAs FET 5-bit digital
attenuator with integral TTL driver. Step size is 0.5 dB
providing a 15.5 dB total attenuation range. This device is
in an FQFP-N plastic surface mount package. The AT90-
0283 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 0.5-1-4-8 dB
Individual Bit 2 dB
Any Combination of Bits
1 to 15.5 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 - 3.5 GHz
DC - 3.5 GHz
DC - 3.5 GHz
DC - 3.5 GHz
DC - 3.5 GHz
鈥?/div>
鈥?/div>
50 MHz
0.5 - 3.5 GHz
50 MHz
0.5-3.5 GHz
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Units
dB
dB
dB
dB
Ratio
nS
nS
dBm
dBm
dB
dB
V
V
V
V
mA
mA
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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>
Typical
2.8
鈥?/div>
鈥?/div>
鈥?/div>
1.6:1
75
20
+21
+29
+35
+48
5.0
-5.0
鈥?/div>
鈥?/div>
0.2
-0.2
Max
3.2
鹵(.3 +5% of atten setting)
鹵(.4 +10% of atten setting)
鹵(.5 +7% of atten setting)
1.8:1
150
50
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5.25
-4.75
0.8
5.0
6
-1
VSWR
Switching Speed
1 dB Compression
Input IP
3
+Vcc
-Vee
AT90-0283-TB相關(guān)型號(hào)PDF文件下載
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型號(hào)
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