RFDA2015 Datasheet, PDF (6/10 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFDA2015
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
D5
16 dB
1
1
1
1
1
1
0
0
Control Voltage Input
D4
D3
D2
D1
D0
8 dB
4 dB
2 dB
1 dB
0.5 dB
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0=Low, V_CTL=0 to 0.8 V_DC
1=High, V_CTL=2.0 to V_DD V_DC
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