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AMC1204-Q1_15 Datasheet, PDF (11/33 Pages) Texas Instruments – 20 MHz, Second-Order, Isolated Delta-Sigma Modulator for Current-Shunt Measurement | |||
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AMC1204-Q1
www.ti.com
SLAS886B â JULY 2012 â REVISED JANUARY 2013
TYPICAL CHARACTERISTICS (continued)
At AVDD = 5 V, DVDD = 3.3 V, VINP = â250 mV to 250 mV, VINN = 0 V, and sinc3 filter with OSR = 256, unless otherwise
noted.
TOTAL HARMONIC DISTORTION
vs ANALOG SUPPLY VOLTAGE
â60
TOTAL HARMONIC DISTORTION
vs TEMPERATURE
â60
â70
â70
â80
â80
â90
â90
â100
â100
â110
â110
â120
4.5
5
AVDD (V)
Figure 20.
â120
5.5
â40 â25 â10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Figure 21.
TOTAL HARMONIC DISTORTION
vs INPUT SIGNAL FREQUENCY
â60
â70
â80
â90
â100
â110
â120
0.1
1
10
100
Input Signal Frequency (kHz)
Figure 22.
0
â10
â20
â30
â40
â50
â60
â70
â80
â90
â100
â110
â120
0.1
TOTAL HARMONIC DISTORTION
vs INPUT SIGNAL AMPLITUDE
1
10
100
Input Signal Amplitude (mVpp)
Figure 23.
1000
TOTAL HARMONIC DISTORTION
vs CLOCK FREQUENCY
â60
TOTAL HARMONIC DISTORTION
vs CLOCK DUTY CYCLE
â60
â70
â70
â80
â80
â90
â90
â100
â100
â110
â110
â120
5
â120
10
15
20
25
40
45
50
55
60
Clock Frequency (MHz)
Clock Duty Cycle (%)
Figure 24.
Figure 25.
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