Datasheet

0
50
100
150
200
250
300
350
400
450
500
500k 4.5M 8.5M 12.5M 16.5M 20.5M
Impedance Magnitude Response
Frequency (Hz)
Impedance (Ohms)
50 Ohms
100 Ohms
200 Ohms
400 Ohms
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
500k 4.5M 8.5M 12.5M 16.5M 20.5M
Impedance Phase Response
Frequency (Hz)
Phase (Degrees)
50 Ohms
100 Ohms
200 Ohms
400 Ohms
2000
4000
6000
8000
10000
12000
500k 4.5M 8.5M 12.5M 16.5M 20.5M
Impedance Magnitude Response
Frequency (Hz)
Impedance (Ohms)
Open
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
500k 4.5M 8.5M 12.5M 16.5M 20.5M
Impedance Phase Response
Frequency (Hz)
Phase (Degrees)
Open
−0.9−0.8−0.7−0.6−0.5−0.4−0.3−0.2−0.1 0 0.1 0.2 0.3 0.4
0
20
40
60
80
100
120
140
160
180
−0.9−0.8−0.7−0.6−0.5−0.4−0.3−0.2−0.1 0 0.1 0.2 0.3 0.4
Gain Error (dB)
Number of Occurrences
−30
0
10
20
30
40
50
60
−50 −40 −20 −10 0 10 20 30 40 50
ADC Output
Number of Occurrences
AFE5808
SLOS688C –SEPTEMBER 2010–REVISED APRIL 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 6. Gain Matching Histogram, VCNTL = 0.9V Figure 7. Output Offset Histogram, VCNTL = 0V
(936 channels) (936 channels)
Figure 8. Input Impedance without Active Termination Figure 9. Input Impedance without Active Termination
(Magnitude) (Phase)
Figure 10. Input Impedance with Active Termination Figure 11. Input Impedance with Active Termination (Phase)
(Magnitude)
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