AT-220 Tyco Electronics, AT-220 Datasheet - Page 2

• Manufacturer Part Number: AT-220
• Description: Digital Attenuator, 30 Db, 4-bit Dc - 2 Ghz
• Manufacturer: Tyco Electronics

2
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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, 30 dB, 4-Bit
DC-2.0 GHz
SOIC-16
Electrical Specifications: T
2.
Insertion Loss (reference state)
Attenuation Accuracy
Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
1 dB Compression
Control Current
Parameter
Trise, Tfall
Transients
Ton, Toff
VSWR
IP
IP
2
3
2
(For two-tone input power up to +5 dBm)
(For two-tone input power up to +5 dBm)
Measured Relative to Input Power
Measured Relative to Input Power
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF,
50% Control to 10% RF
A
Test Conditions
= 25°C, V
Input Power
Input Power
|V
In-Band
C
| = 5 V
C
= 0 V / −5 V, Z
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Truth Table
3.
VC4 VC4 VC3 VC3 VC2 VC2 VC1 VC1
1
0
1
1
1
0
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
Frequency
0.5 - 2.0 GHz
0.5 - 2.0 GHz
0.5 - 2.0 GHz
0 = -0.2 V to 0 V, 1 = -8 V to -5 V.
0.05 GHz
0.05 GHz
0.05 GHz
0
1
0
0
0
1
—
—
—
0
= 50 Ω
1
1
0
1
1
0
3
± (0.15 dB + 3% of Atten Setting in dB) dB
± (0.30 dB + 4% of Atten Setting in dB) dB
0
0
1
0
0
1
Units
Control Inputs
Ratio
dBm
dBm
dBm
dBm
dBm
dBm
mV
dB
dB
dB
nS
nS
µA
1
1
1
0
1
0
0
0
0
1
0
1
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
1
0
0
1.2:1
Typ
1.5
1.6
1.8
12
18
25
20
28
45
68
40
50
0
0
0
0
1
1
Attenuation
Reference
AT-220
16 dB
30 dB
State
2 dB
4 dB
8 dB
(dB)
Max
100
1.7
1.8
2.1
—
—
—
—
—
—
—
—
—
—
V5