AT-280 Tyco Electronics, AT-280 Datasheet - Page 2

• Manufacturer Part Number: AT-280
• Description: Digital Attenuator, 15.5 Db, 5-bit Dc - 2 Ghz
• Manufacturer: Tyco Electronics

2
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
Digital Attenuator, 15.5 dB, 5-Bit
DC-2.0 GHz
3. Attenuation acccuracy specifications apply with negative bias control and low inductance grounding.
Electrical Specifications: T
SOIC-16
Reference Insertion Loss
Attenuation Accuracy
1 dB Compression
Parameter
Trise, Tfall
Transients
Ton, Toff
VSWR
IP
IP
2
3
3
50% Control to 90% RF, 50% Control to 10% RF
(for two-tone input power up to +5 dBm)
(for two-tone input power up to +5 dBm)
A
Measured Relative to Input Power
Measured Relative to Input Power
10% to 90% RF, 90% to 10% RF
= 25°C, Z
Input Power, 0.5 - 2.0 GHz
Input Power, 0.05 GHz
Test Conditions
DC—0.1 GHz
DC—0.5 GHz
DC—1.0 GHz
DC—2.0 GHz
DC—1.0 GHz
DC—2.0 GHz
0.5 - 2.0 GHz
0.5 - 2.0 GHz
(Any state)
0.05 GHz
0.05 GHz
In Band
0
= 50 Ω
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Truth Table
4. 0 = Vin Low = 0 V = 0 to –0.2 V @ 20 µA maximum
5. 1 = Vin High = -5 V at 20 µA to -8 V at 20 µA maximum
VC5
1
0
1
1
1
1
0
VC4
1
1
0
1
1
1
0
VC3
± (0.20 dB +3% of Attenuation Setting in dB) dB
± (0.30 dB +3% of Attenuation Setting in dB) dB
1
1
1
0
1
1
0
Units
Ratio
dBm
dBm
dBm
dBm
dBm
dBm
mV
4,5
dB
dB
dB
dB
nS
nS
VC3
0
0
0
1
0
0
1
Control Inputs
VC2
1
1
1
1
0
1
0
1.5:1
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
VC2 VC1
0
0
0
0
1
0
1
1
1
1
1
1
0
0
1.8:1
Typ
1.1
1.3
1.5
1.8
12
18
30
22
27
53
68
40
45
VC1
0
0
0
0
0
1
1
AT-280
Reference
15.5 dB
Max
Atten.
0.5 dB
1.3
1.5
1.8
2.0
(dB)
1 dB
2 dB
4 dB
8 dB
—
—
—
—
—
—
—
—
—
—
V5