RFDA2025 Datasheet, PDF (6/11 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFDA2025
Typical Performance - 1.8GHz to 2.2GHz Application Circuit Performance
Noise Figure over Temperature, Max Gain
DCIV over Temperature, Max Gain
10.0
9.5
9.0
8.5
8.0
Noise
Figure 7.5
(dB)
7.0
6.5
6.0
5.5
5.0
1.8
1.9
2.0
2.1
Frequency (GHz)
+25C
+85C
2.2
150
140
130
120
I_CC (mA) ¹¹⁰
100
90
+25C
80
-40C
+85C
70
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
V_CC (V)
Truth Table
DSA Control Bits
D5
D4
D3
D2
D1
D0
16 dB
8 dB
4 dB
2 dB
1 dB
0.5 dB
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
1
1
1
1
0
1
1
1
1
0
1
1
1
1
0
1
1
1
1
0
1
1
1
1
1
0
0
0
0
0
0
Relative Gain Setting
Max Gain
-0.5 dB
-1 dB
-2 dB
-4 dB
-8 dB
-16 dB
-31.5 dB
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DS101117