AMC1304L05-Q1 Datasheet, PDF (14/39 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators with LDO

AMC1304L05-Q1, AMC1304L25-Q1, AMC1304M05-Q1, AMC1304M25-Q1
SBAS799 – FEBRUARY 2017
www.ti.com
7.13 Typical Characteristics
At LDOIN = 15.0 V, DVDD = 3.3 V, AINP = –50 mV to 50 mV (AMC1304x05-Q1) or –250 mV to 250 mV (AMC1304x25-Q1),
AINN = 0 V, f_CLKIN = 20 MHz, and sinc³ filter with OSR = 256, unless otherwise noted.
AMC1304x05-Q1
AMC1304x25-Q1
AMC1304x05-Q1
AMC1304x25-Q1
Figure 6. Input Current vs Input Common-Mode Voltage
4
3
2
1
0
-1
-2
-3
-4
-50 -40 -30 -20 -10 0 10 20 30 40 50
V_IN (mV)
D003
Figure 8. Integral Nonlinearity vs Input Signal Amplitude
100
80
60
40
20
0
-20
-40
-60
-80
-100
4
6
8
10
12
14
16
18
V_LDOIN (V)
D005
AMC1304x25-Q1
Figure 10. Offset Error vs LDO Input Supply Voltage
Figure 7. 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 9. Integral Nonlinearity vs Temperature
50
40
30
20
10
0
-10
-20
-30
-40
-50
4
6
8
10
12
14
16
18
V_LDOIN (V)
D006
AMC1304x05-Q1
Figure 11. Offset Error vs LDO Input Supply Voltage
14
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