AMC1305L25-Q1 Datasheet, PDF (15/38 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators

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AMC1305L25-Q1, AMC1305M05-Q1, AMC1305M25-Q1
SBAS797 – FEBRUARY 2017
Typical Characteristics (continued)
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.
AMC1305x25-Q1
AMC1503M05-Q1
SNR (AMC1305x25-Q1)
SINAD (AMC1305x25-Q1)
SNR (AMC1305M05-Q1)
SINAD (AMC1305M05-Q1)
Figure 18. Power-Supply Rejection Ratio vs
Ripple Frequency
SNR (AMC1305x25-Q1)
SINAD (AMC1305x25-Q1)
SNR (AMC1305M05-Q1)
SINAD (AMC1305M05-Q1)
Figure 19. SNR and SINAD vs High-Side Supply Voltage
SNR (AMC1305x25-Q1)
SINAD (AMC1305x25-Q1)
SNR (AMC1305M05-Q1)
SINAD (AMC1305M05-Q1)
Figure 20. SNR and SINAD vs Temperature
SNR (AMC1305x25-Q1)
SINAD (AMC1305x25-Q1)
SNR (AMC1305M05-Q1)
SINAD (AMC1305M05-Q1)
Figure 22. SNR and SINAD vs Input Signal Frequency
Figure 21. SNR and SINAD vs Clock Frequency
100
SNR
95
SINAD
90
85
80
75
70
65
60
55
50
0 50 100 150 200 250 300 350 400 450 500
V_IN (mVpp)
D018
AMC1305x25-Q1
Figure 23. SNR and SINAD vs Input Signal Amplitude
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