Datasheet

55
60
65
70
75
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Vcntl (V)
SNR (dBFS)
24 dB PGA gain
30 dB PGA gain
57
59
61
63
65
67
69
71
73
0 3 6 9 12 15 18 21 24 27 30 33 36 39 42
Gain (dB)
SNR (dBFS)
Low noise
Low power
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
1.0 3.0 5.0 7.0 9.0 11.0 12.0
Frequency (MHz)
Amplitude (nV Hz)
55
60
65
70
75
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Vcntl (V)
SNR (dBFS)
24 dB PGA gain
30 dB PGA gain
40
60
80
100
120
140
160
180
200
220
240
260
280
300
320
340
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2
Vcntl (V)
Output reffered noise (nV Hz)
LNA 12 dB
LNA 18 dB
LNA 24 dB
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
Frequency (MHz)
Amplitude (nV Hz)
AFE5808A
SLOS729B –OCTOBER 2011–REVISED APRIL 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 26. ORN, PGA = 24 dB and Low Power Mode Figure 27. IRN, PGA = 24 dB and Low Noise Mode
Figure 28. ORN, PGA = 24 dB and Low Noise Mode Figure 29. SNR, LNA = 18 dB and Low Noise Mode
Figure 30. SNR, LNA = 18 dB and Low Power Mode Figure 31. SNR vs. Different Power Modes
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