AMC1306E05 Datasheet, PDF (15/40 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)
118
118
114
114
110
110
106
106
102
102
98
98
94
94
90
90
86
86
82
82
-40 -25 -10 5 20 35 50 65 80 95 110 125
5
9
13
17
21
Temperature (qC)
D027
f_CLKIN (MHz)
D028
AMC1306x25
AMC1306x25
Figure 30. Spurious-Free Dynamic Range vs Temperature
118
114
110
106
102
98
94
90
86
82
0.1
1
f_IN (kHz)
AMC1306x25
10
D029
125
120
115
110
105
100
95
90
85
80
75
0
Figure 31. Spurious-Free Dynamic Range vs
Clock Frequency
50 100 150 200 250 300 350 400 450 500
V_IN (mVpp)
D030
AMC1306x25
Figure 32. Spurious-Free Dynamic Range vs
Input Signal Frequency
0
Figure 33. Spurious-Free Dynamic Range vs
Input Signal Amplitude
0
-20
-20
-40
-40
-60
-60
-80
-80
-100
-100
-120
-120
-140
-140
-160
0
5
10 15 20 25 30 35
Frequency (kHz)
AMC1306x25, 4096-point FFT, V_IN = 500 mV_PP
40
D031
Figure 34. Frequency Spectrum with 1-kHz Input Signal
-160
0
5 10 15 20 25 30 35
Frequency (kHz)
AMC1306x25, 4096-point FFT, V_IN = 500 mV_PP
40
D032
Figure 35. Frequency Spectrum with 10-kHz Input Signal
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