Datasheet

−75
−70
−65
−60
5 10 100 1000 2000
PSMR vs SUPPLY FREQUENCY
Supply frequency (kHz)
PSMR (dBc)
Vcntl = 0
Vcntl = 0.3
Vcntl = 0.6
Vcntl = 0.9
−70.0
−66.0
−62.0
−58.0
−54.0
−50.0
14.0 18.0 22.0 26.0 30.0 34.0 38.0 42.0
Gain (dB)
IMD3 (dBFS)
Fin1=2MHz, Fin2=2.01MHz
Fin1=5MHz, Fin2=5.01MHz
−90
−80
−70
−60
−50
−40
18 21 24 27 30 33 36 39 42 45 48
Gain (dB)
HD3 (dBc)
Low noise
Medium power
Low power
−70.0
−66.0
−62.0
−58.0
−54.0
−50.0
14.0 18.0 22.0 26.0 30.0 34.0 38.0 42.0
Gain (dB)
IMD3 (dBFS)
Fin1=2MHz, Fin2=2.01MHz
Fin1=5MHz, Fin2=5.01MHz
−90
−80
−70
−60
−50
−40
12 18 24 30 36 42
Gain (dB)
HD3 (dBc)
Low noise
Medium power
Low power
−90
−80
−70
−60
−50
−40
18 24 30 36 42 48
Gain (dB)
HD2 (dBc)
Low noise
Medium Power
Low power
AFE5808
SLOS688C –SEPTEMBER 2010–REVISED APRIL 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 42. HD3 vs. Gain, LNA = 18dB and PGA = 24dB and Figure 43. HD2 vs. Gain, LNA = 24dB and PGA = 24dB and
V
OUT
= -1dBFS V
OUT
= -1dBFS
Figure 44. HD3 vs. Gain, LNA = 24dB and PGA = 24dB and Figure 45. IMD3, Fout1 = -7dBFS and Fout2 = -21dBFS
V
OUT
= -1dBFS
Figure 46. IMD3, Fout1 = -7dBFS and Fout2 = -7dBFS Figure 47. AVDD Power Supply Modulation Ratio, 100mV
PP
Supply Noise with Different Frequencies
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