Datasheet

70
70.5
71
71.5
72
72.5
73
1 2 3 4 5 6 7 8 9 10 11 12 1314 15 16
ChannelNumber
SINAD-Signal-to-NoiseandDistortion-dB
+VA =5V,
+VBD=5V,
f =1MSPS
S
0
20
40
60
80
100
120
0 50 100 150 200 250
Crosstalk-dB
Memory
Isolation
f -InputFrequency-KHz
IN
+VA =5V,
+VBD=5V,
f =1MSPS,
CH0,CH1
S
0
10
20
30
40
50
60
70
80
90
100
-40 -25 -10 5 20 35 50 65 80 95 110 125
AINP -LeakageCurrent-nA
V =1.25V
I
T -Free-AirTemperature-°C
A
V =2.5V
I
V =0V
I
+VA =5V,
+VBD=5V
0
5
10
15
20
25
0.25 0.5 0.75 1 1.25 1.5 1.75 2
TUEMax-LSB
NumberofDevices
0
5
10
15
20
25
-1.75
-1.5
-1.25
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
TUEMin-LSB
NumberofDevices
ADS7950, ADS7951, ADS7952, ADS7953
ADS7954, ADS7955, ADS7956, ADS7957
ADS7958, ADS7959, ADS7960, ADS7961
www.ti.com SLAS605A –JUNE 2008–REVISED JANUARY 2010
TYPICAL CHARACTERISTICS (12-Bit Devices Only) (continued)
Variations for 10-bit and 8-bit devices are too small to be illustrated through the characteristic curves
CROSSTALK INPUT LEAKAGE CURRENT
SIGNAL-TO-NOISE + DISTORTION vs vs
VARIATION ACROSS CHANNELS INPUT FREQUENCY FREE-AIR TEMPERATURE
Figure 37. Figure 38. Figure 39.
TOTAL UNADJUSTED ERROR (TUE Max) TOTAL UNADJUSTED ERROR (TUE Min)
Figure 40. Figure 41.
Copyright © 2008–2010, Texas Instruments Incorporated Submit Documentation Feedback 21
Product Folder Link(s): ADS7950, ADS7951, ADS7952, ADS7953 ADS7954, ADS7955, ADS7956, ADS7957 ADS7958,
ADS7959, ADS7960, ADS7961