AMC1203 Datasheet, PDF (10/23 Pages) Texas Instruments – 1-Bit, 10MHz, 2nd-Order, Isolated Delta-Sigma Modulator

AMC1203
SBAS427 – FEBRUARY 2008
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At V_DD1 = V_DD2 = 5V, V_IN+ = –280mV to +280mV, V_IN– = 0V, and sinc³ filter with OSR = 256, unless otherwise noted.
100
90
80
70
60
50
40
30
1
110
105
100
95
90
85
80
75
70
100
-80
-85
-90
-95
-100
-105
-110
100
SIGNAL-TO-NOISE RATIO
vs INPUT SIGNAL AMPLITUDE
10
100
V_IN (mV_PP)
Figure 9.
SIGNAL-TO-NOISE RATIO
vs INPUT SIGNAL FREQUENCY
1k
f_IN (Hz)
Figure 11.
TOTAL HARMONIC DISTORTION
vs INPUT SIGNAL FREQUENCY
1k
f_IN (Hz)
Figure 13.
1000
10k
10k
SIGNAL-TO-NOISE RATIO
vs TEMPERATURE
90
f_IN = 500Hz
89
88
87
86
85
84
83
82
81
80
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 10.
SIGNAL-TO-NOISE RATIO
vs TEMPERATURE
90
f_IN = 1kHz
89
88
87
86
85
84
83
82
81
80
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 12.
TOTAL HARMONIC DISTORTION
vs TEMPERATURE
-80
-85
-90
-95
-100
-105
-110
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 14.
10
Submit Documentation Feedback
Product Folder Link(s): AMC1203
Copyright © 2008, Texas Instruments Incorporated