ADS8325_14 Datasheet, PDF (14/37 Pages) Texas Instruments – 16-Bit, High-Speed, 2.7V to 5.5V microPower Sampling ANALOG-TO-DIGITAL CONVERTER

ADS8325
SBAS226C – MARCH 2002 – REVISED AUGUST 2007
TYPICAL CHARACTERISTICS: V_DD = +2.7V (continued)
At T_A = +25°C, V_DD = 2.7V, V_REF = 2.5V, f_SAMPLE = 100kHz, f_CLK = 24 × f_SAMPLE, unless otherwise noted.
www.ti.com
SIGNAL-TO-NOISE + DISTORTION
vs INPUT LEVEL
100
90
f_IN = 1.0132kHz
80
70
60
50
40
30
20
10
-80 -70 -60 -50 -40 -30 -20 -10 0
Input Level (dB)
Figure 21.
CHANGE IN SIGNAL-TO-NOISE + DISTORTION
vs TEMPERATURE
0.4
f_IN = 1.0132kHz, -0.2dB
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-50 -25
0
25
50
Temperature (°C)
75
100
Figure 23.
CHANGE IN UPO
vs TEMPERATURE
1.2
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
1
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-50
0.9
EFFECTIVE NUMBER OF BITS
vs INPUT FREQUENCY
10
100
Frequency (kHz)
Figure 22.
CHANGE IN GAIN
vs TEMPERATURE
-25
0
25
50
Temperature (°C)
Figure 24.
SUPPLY CURRENT
vs TEMPERATURE
75
100
0.8
0.8
0.4
0.0
0.7
-0.4
-0.8
-50
-25
0
25
50
75
100
Temperature (°C)
0.6
-50
-25
0
25
50
Temperature (°C)
75
100
14
Submit Documentation Feedback
Product Folder Link(s): ADS8325
Copyright © 2002–2007, Texas Instruments Incorporated