AMC1305L25 Datasheet, PDF (11/39 Pages) Texas Instruments – AMC1305x High-Precision, Reinforced Isolated Delta-Sigma Modulators

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AMC1305L25, AMC1305M05, AMC1305M25
SBAS654C – JUNE 2014 – REVISED DECEMBER 2014
8.13 Typical Characteristics
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
40
20
0
-20
-40
-60
1305x25
1305M05
-80
-0.5
0
0.5
1
1.5
2
2.5
3
V_CM (V)
D001
0
-20
-40
-60
-80
-100
-120
0.001
0.01
1305x25
1305M05
0.1 0.2 0.5 1 2 3 5 710 20 50 100
f_IN (kHz)
D002
Figure 3. Input Current vs Input Common-Mode Voltage
4
3
2
1
0
-1
-2
-3
-4
-0.25 -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 0.15 0.2 0.25
V_IN (mV)
D003
Figure 4. Common-Mode Rejection Ratio vs
Input Signal Frequency
4
3.5
3
2.5
2
1.5
1
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D004
Figure 5. Integral Nonlinearity vs Input Signal Amplitude
150
125
100
75
50
25
0
-25
-50
-75
-100
-125
-150
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D005
AMC1305x25
Figure 7. Offset Error vs High-Side Supply Voltage
Figure 6. Integral Nonlinearity vs Temperature
50
40
30
20
10
0
-10
-20
-30
-40
-50
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D006
AMC1305M05
Figure 8. Offset Error vs High-Side Supply Voltage
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