Digital Attenuator, 15 dB, 4-Bit, TTL
Driver, DC - 4.0 GHz
V 1.00
AT90-1413
Features
n
n
n
n
n
n
n
n
CSP-1
Attenuation: 1 dB Steps to 15 dB
Single Positive Supply
Contains Internal DC to DC Converter
Small Footprint, JEDEC Package
Integral TTL Driver
50 Ohm Impedance
Test Boards Available
Tape and Reel Packaging Available
Description
M/A-COM鈥檚 AT90-1413 is a GaAs FET 4-Bit digital
attenuator with integral driver. Step size is 1 dB providing
a 15 dB attenuation range. This device is in an FQFP-N
plastic surface mount package. The AT90-1413 is suited
for single supply applications where accuracy, fast speed,
low power consumption and low costs are required.
Electrical Specifications: T
A
= 25擄C
Parameter
Insertion Loss
Attenuation
Accuracy
VSWR
Switching Speed
1 dB Compression
Input IP
3
+Vcc
Logic 鈥?鈥?/div>
Logic 鈥?鈥?/div>
Icc
Test Conditions
鈥?/div>
Individual Bits or
Combination of Bits
Full Attenuation Range
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
鈥?/div>
Two-tone Inputs up to +5 dBm
鈥?/div>
Sink Current is 20 碌A(chǔ) max.
Sink Current is 20 碌A(chǔ) max.
Vcc min to max, Logic 鈥?鈥?or 鈥?鈥?/div>
Frequency
DC-2.5 GHz
DC-4.0 GHz
DC-2.5 GHz
DC-4.0 GHz
DC-2.5 GHz
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>
Units
dB
dB
dB
dB
Ratio
Ratio
nS
nS
dB
dB
dB
dB
V
V
V
mA
Min.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
4.75
0.0
2.0
鈥?/div>
Typ.
2.0
2.5
鈥?/div>
鈥?/div>
1.5:1
1.8:1
75
20
+21
+29
+35
+48
5.0
鈥?/div>
鈥?/div>
6
Max.
2.5
3.0
鹵(0.3+4% of atten setting)
鹵(0.3+6% of atten setting)
1.8:1
2.0:1
150
50
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