AMC1306E05 Datasheet, PDF (13/40 Pages) Texas Instruments – Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators with High CMTI

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AMC1306E05, AMC1306E25, AMC1306M05, AMC1306M25
SBAS734 – MARCH 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
88
87
87
86
86
85
85
84
84
83
83
82
3
3.5
4
4.5
5
5.5
AVDD (V)
D016
82
-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
87
86
85
84
83
82
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
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 22. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Input Signal Amplitude
Figure 21. Signal-to-Noise Ratio and Signal-to-Noise +
Distortion vs Input Signal Frequency
-86
-88
-90
-92
-94
-96
-98
-100
-102
-104
-106
-108
-110
4.5
4.75
5
5.25
AVDD (V)
AMC1306x25, f_CLKIN = 21 MHz
5.5
D021
Figure 23. Total Harmonic Distortion vs
High-Side Supply Voltage (5 V, nom)
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