SP43701 Datasheet, PDF (2/12 Pages) SIPAT Co,Ltd – 50 Ω RF Digital Attenuator

SP43701
Product Specification
Table 1. Electrical Specifications @ +25°C, V_DD = 3.3 V or 5.0 V
Parameter
Test Conditions
Frequency
Min
Frequency Range
Attenuation Range
Insertion Loss
Attenuation Error
Return Loss
0.25 dB Step
0 dB - 7.75 dB Attenuation settings
8 dB - 31.75 dB Attenuation settings
0 dB - 31.75 dB Attenuation settings
DC ≤ 4 GHz
DC < 3 GHz
DC < 3 GHz
3 GHz ≤ 4 GHz
DC - 4 GHz
Relative Phase
All States
DC - 4 GHz
P1dB
Input
20 MHz - 4 GHz
30
IIP3
Two tones at +18 dBm, 20 MHz spacing 20 MHz - 4 GHz
Typical Spurious Value
1MHz
Video Feed Through
Switching Time
50% DC CTRL to 10% / 90% RF
RF Trise/Tfall
Settling Time
10% / 90% RF
RF settled to within 0.05 dB of final value
RBW = 5 MHz, Averaging ON.
Typical
DC – 4
0 – 31.75
1.9
18
44
32
59
-110
10
650
400
4
Max
2.4
±(0.2+1.5%)
±(0.15+4%)
±(0.25+4.5%)
Units
GHz
dB
dB
dB
dB
dB
dB
deg
dBm
dBm
dBm
mVpp
ns
ns
25
µs
Performance Plots
Figure 3. 0.25 dB Step Error vs. Frequency*
200 MHz
2200 MHz
0.500
900 MHz
3000 MHz
1800 MHz
0.400
0.300
0.200
0.100
0.000
0.0
4.0
8.0
12.0
16.0
20.0
24.0
28.0
32.0
Attenuation Setting (dB.)
*Monotonicity is held so long as Step-Error does not cross zero
Figure 4. 0.25dB Attenuation vs. Attenuation
0.25-dB PE43701 Attenuation
35
900 MHz
30
1800 MHz
2200 MHz
3800 MHz
25
20
15
10
5
0
0
5
10
15
20
25
30
35
Attenuation State
Figure 5. 0.25 dB Major State Bit Error
2.00
0.25dB State
4dB State
0.5 dB State
8dB State
1dB State
16dB State
2dB State
31.75dB State
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
0.0
1.0
2.0
3.0
Frequency (GHz)
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Page 2 of 12
Figure 6. 0.25 dB Attenuation Error vs. Frequency
1.500
200 MHz
2200 MHZ
900 MHz
3000 MHz
1800 MHz
4000 MHz
1.000
0.500
0.000
-0.500
-1.000
-1.500
0.0
4.0
8.0
12.0
16.0
20.0
24.0
28.0
32.0
4.0
Attenuation Setting (dB.)
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