AMC1305L25 Datasheet, PDF (15/39 Pages) Texas Instruments – AMC1305x High-Precision, Reinforced Isolated Delta-Sigma Modulators

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AMC1305L25, AMC1305M05, AMC1305M25
SBAS654C – JUNE 2014 – REVISED DECEMBER 2014
Typical Characteristics (continued)
At T_A = 25°C, AVDD = 5.0 V, DVDD = 3.3 V, AINP = –250 mV to 250 mV, AINN = 0 V, f_CLKIN = 20 MHz, and sinc³ filter with
OSR = 256, unless otherwise noted.
-60
110
-65
105
-70
100
-75
95
-80
90
-85
85
-90
80
-95
75
-100
70
-105
65
-110
0
50
100
V_IN (mVpp)
AMC1305M05
150
D025
60
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D026
Figure 27. Total Harmonic Distortion vs
Input Signal Amplitude
110
105
100
95
90
85
80
75
70
65
60
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D027
110
105
100
95
90
85
80
75
70
65
60
5
Figure 28. Spurious-Free Dynamic Range vs
High-Side Supply Voltage
10
15
f_CLKIN (MHz)
20
D028
Figure 29. Spurious-Free Dynamic Range vs Temperature
110
105
100
95
90
85
80
75
70
65
60
0.1
1
10
f_IN (kHz)
100
D029
Figure 31. Spurious-Free Dynamic Range vs
Input Signal Frequency
110
105
100
95
90
85
80
75
70
65
60
0
Figure 30. Spurious-Free Dynamic Range vs
Clock Frequency
50 100 150 200 250 300 350 400 450 500
V_IN (mVpp)
D030
AMC1305x25
Figure 32. Spurious-Free Dynamic Range vs
Input Signal Amplitude
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