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
NumberofDevices
0
5
10
15
20
25
0.25
0.5
0.75
1
1.25
1.5
1.75
2
TUE Max - LSB
NumberofDevices
0
10
20
30
40
50
60
70
80
90
100
-40 -25 -10
5
20 35 50 65 80 95 110 125
AINP
-LeakageCurrent-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
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
70
70.5
71
71.5
72
72.5
73
1 2 3 4
5 6 7 8 9 10 11 12 13 14 15 16
Channel Number
SINAD-Signal-to-NoiseandDistortion-dB
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
26
ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955
ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961
SLAS605C – JUNE 2008 – REVISED JULY 2018
Product Folder Links:
ADS7950 ADS7951 ADS7952 ADS7953 ADS7954 ADS7955 ADS7956 ADS7957 ADS7958
Copyright © 2008–2018, Texas Instruments Incorporated
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
Figure 41. Signal-to-Noise + Distortion Variation Across
Channels
Figure 42. Crosstalk vs Input Frequency
Figure 43. Input Leakage Current vs Free-Air Temperature
Figure 44. Total Unadjusted Error (TUE Maximum)
Figure 45. Total Unadjusted Error (TUE Minimum)
