AMC1306E05_017 Datasheet, PDF (15/38 Pages) Texas Instruments – Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators with High CMTI

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AMC1306E05, AMC1306E25, AMC1306M05, AMC1306M25
SBAS734A – MARCH 2017 – REVISED JULY 2017
Typical Characteristics (continued)
at AVDD = 5 V, DVDD = 3.3 V, AINP = –50 mV to 50 mV (AMC1306x05) or –250 mV to 250 mV (AMC1306x25),
AINN = AGND, f_CLKIN = 20 MHz, and sinc³ filter with OSR = 256 (unless otherwise noted)
90
90
AMC1306x25, SNR
AMC1306x25, SNR
89
AMC1306x25, SINAD
89
AMC1306x25, SINAD
88
AMC1306x05, SNR
88
AMC1306x05, SNR
AMC1306x05, SINAD
AMC1306x05, SINAD
87
87
86
86
85
85
84
84
83
83
82
82
81
81
80
3
3.5
4
4.5
5
5.5
AVDD (V)
D016
80
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D017
Figure 18. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs High-Side Supply Voltage
90
AMC1306x25, SNR
89
AMC1306x25, SINAD
88
AMC1306x05, SNR
AMC1306x05, SINAD
87
86
85
84
83
82
81
80
5
9
13
17
f_CLKIN (MHz)
21
D018
Figure 19. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Temperature
88
86
84
82
80
78
76
74
AMC1306x25, SNR
AMC1306x25, SINAD
72
AMC1306x05, SNR
AMC1306x05, SINAD
70
0.1
1
10
f_IN (kHz)
100
D019
Figure 20. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Clock Frequency
100
AMC1306x25, SNR
95
AMC1306x25, SINAD
90
85
80
75
70
65
60
55
50
0 50 100 150 200 250 300 350 400 450 500
V_IN (mVpp)
D020
Figure 21. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Input Signal Frequency
95
AMC1306x05, SNR
90
AMC1306x05, SINAD
85
80
75
70
65
60
55
50
45
0 10 20 30 40 50 60 70 80 90 100
V_IN (mVpp)
D042
Figure 22. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Input Signal Amplitude
Figure 23. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Input Signal Amplitude
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