RFSA2644 Datasheet, PDF (5/12 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 6-BIT, 0.5dB LSB

RFSA2644
Typical Performance at 5V V_DD - Broadband Application Circuit
Major Step Error Versus Frequency
1.00
0.75
0.5dB
1dB
2dB
4dB
8dB
16dB
0.50
31.5dB
0.25
0.00
-0.25
-0.50
-0.75
-1.00
0
1000
2000
Frequency (MHz)
3000
4000
Input IP3 versus Frequency
60
55
50
45
40
35
30
0
0dB
2dB
16dB
0.5dB
1dB
4dB
8dB
31.5dB
500
1000
1500
2000
2500
3000
Frequency (MHz)
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
Step Error versus Attenuation
50MHz
1000MHz
3000MHz
400MHz
2000MHz
4000MHz
4
8
12
16
20
24
28
32
Attenuation (dB)
Input P0.5dB versus Frequency
35
30
25
0dB
0.5dB
1dB
20
2dB
4dB
8dB
16dB
31.5dB
15
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
DS120706
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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