SP4308 Datasheet, PDF (6/10 Pages) SIPAT Co,Ltd – 75 Ω RF Digital Attenuator

SP4308
Product Specification
Typical Performance Data (25°C, V_DD = 3.0 V unless otherwise noted)
Figure 14. Attenuation Error vs. Attenuation
Setting
Figure 15. Input 1 dB Compression (Zo=50 ohms)
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0
1.2GHz, -40C
1.2GHz, 25C
1.2GHz, 85C
5
10
15
20
25
30
35
Attenuation Setting (dB)
40
35
30
25
20
15
10
5
0
0
500
1000
1500
RF Frequency (MHz)
2000
Figure 16. Input IP3 (Zo=50 ohms)
60
55
50
45
40
35
30
25
20
0
500
1000
1500
RF Frequency (MHz)
2000
Note: Positive attenuation error indicates higher attenuation than target value
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