Digital Attenuator, 31 dB, 5-Bit,
TTL Driver, DC-4.0 GHz
V 6.00
AT90-1263
Features
n
n
n
n
n
n
n
CSP-1
Attenuation: 1.0dB Steps to 31dB
Single Positive Supply
Contains internal DC to DC converter
Low DC Power Consumption
Small Footprint, JEDEC Package
Integral TTL Driver
50 ohm Impedance
Description
M/A-COM's AT90-1263 is a GaAs FET 5-bit digital
attenuator with integral TTL driver. Step size is 1.0 dB
providing 31dB total attenuation range. This device is in an
FQFP-N plastic surface mount package. The AT90-1263 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 1-2-4-8-16 dB
Any Combination of Bits 1 to
31 dB
VSWR
Switching Speed
1 dB Compression
Input IP
3
+Vcc
Logic 鈥?鈥?/div>
Logic 鈥?鈥?/div>
Icc
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>
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>
Frequency
DC - 4.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
DC - 4.0 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
nS
nS
dBm
dBm
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>
4.75
0.0
2.0
鈥?/div>
Typical
3.5
鈥?/div>
鈥?/div>
鈥?/div>
2.0:1
75
20
+21
+29
+35
+48
5.0
鈥?/div>
鈥?/div>
6
Max
3.8
鹵(.3 +5% of atten setting)
鹵(.4 +6% of atten setting)
鹵(.5 +7% of atten setting)
2.2:1
150
50
AT90-1263TR相關(guān)型號(hào)PDF文件下載
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