AFE5807_14 Datasheet, PDF (22/75 Pages) Texas Instruments – Fully Integrated, 8-Channel Ultrasound Analog Front End with Passive CW Mixer, 1.05 nV/rtHz, 12-Bit, 80 MSPS, 117 mW/CH

AFE5807
SLOS703C – SEPTEMBER 2010 – REVISED MAY 2013
TYPICAL CHARACTERISTICS (continued)
−50
−55.0
Fin1=2MHz, Fin2=2.01MHz
Fin1=5MHz, Fin2=5.01MHz
−54
−60.0
−58
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Vcntl = 0
Vcntl = 0.3
Vcntl = 0.6
Vcntl = 0.9
−62
−65.0
−66
−70
14
18
22
26
30
34
38
42
Gain (dB)
G001
Figure 46. IMD3, Fout1 = -7dBFS and Fout2 = -7dBFS
−55.0
−60.0
−65.0
Vcntl = 0
Vcntl = 0.3
Vcntl = 0.6
Vcntl = 0.9
−70.0
−75.0
−80.0
−85.0
5 10
100
1000 2000
Supply frequency (kHz)
G001
Figure 48. AVDD_5V Power Supply Modulation Ratio, 100
mVpp Supply Noise with Different Frequencies
−15.0
−25.0
−35.0
Vcntl = 0
Vcntl = 0.3
Vcntl = 0.6
Vcntl = 0.9
−45.0
−55.0
−65.0
−75.0
−85.0
5 10
100
1000 2000
Supply frequency (kHz)
G001
Figure 50. AVDD_5V Power Supply Rejection Ratio,
100mVpp Supply Noise with Different Frequencies
−70.0
5 10
100
1000 2000
Supply frequency (kHz)
G001
Figure 47. AVDD Power Supply Modulation Ratio, 100 mVpp
Supply Noise with Different Frequencies
−55.0
−60.0
−65.0
Vcntl = 0
Vcntl = 0.3
Vcntl = 0.6
Vcntl = 0.9
−70.0
−75.0
−80.0
−85.0
5 10
100
1000 2000
Supply frequency (kHz)
G001
Figure 49. AVDD Power Supply Rejection Ratio, 100 mVpp
Supply Noise with Different Frequencies
20000.0
18000.0
16000.0
1.3
Output Code
1.2
Vcntl
1.1
1.0
14000.0
0.9
0.8
12000.0
0.7
10000.0
0.6
8000.0
0.5
0.4
6000.0
0.3
4000.0
0.2
0.1
2000.0
0.0
0.0
−0.1
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Time (µs)
Figure
51.
V_CNTL
Response Time,
24dB
LNA
=
18dB
and
PGA
=
22
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