Datasheet

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-40 15 70 125
+VA =5.5V,
+VBD=1.8V,
f =1MSPS
S
GainError-LSBs
T -Free-AirTemperature-°C
A
69
69.5
70
70.5
71
71.5
72
2.7 3.4 4.1 4.8 5.5
SNR-Signal-to-NoiseRatio-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f =100kHz
T =25°C
S
IN
A
69
69.5
70
70.5
71
71.5
72
2.7 3.4 4.1 4.8 5.5
SINAD-Signal-to-NoiseandDistortion-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f =100kHz
T =25°C
S
IN
A
-90
-89
-88
-87
-86
-85
-84
-83
-82
-81
-80
2.7 3.4 4.1 4.8 5.5
THD-TotalHarmonicDistortion-
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f =100kHz
T =25°C
S
IN
A
80
81
82
83
84
85
86
87
88
89
90
2.7 3.4 4.1
4.8 5.5
SFDR-SpuriousFreeDynamicRange-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f =100kHz
T =25°C
S
IN
A
69
69.5
70
70.5
71
71.5
72
-40 15 70 125
SNR-Signal-to-NoiseRatio-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f =100kHz
S
IN
69
69.5
70
70.5
71
71.5
72
-40 15 70 125
SINAD-Signal-to-NoiseandDistortion-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f =100kHz
S
IN
-90
-89
-88
-87
-86
-85
-84
-83
-82
-81
-80
-40 15
70 125
THD-TotalHarmonicDistortion-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f =100kHz
S
IN
80
81
82
83
84
85
86
87
88
89
90
-40 15 70 125
SFDR-SpuriousFreeDynamicRange-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f =100kHz
S
IN
ADS7950, ADS7951, ADS7952, ADS7953
ADS7954, ADS7955, ADS7956, ADS7957
ADS7958, ADS7959, ADS7960, ADS7961
SLAS605A –JUNE 2008–REVISED JANUARY 2010 www.ti.com
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
GAIN ERROR SIGNAL-TO-NOISE RATIO SIGNAL-TO-NOISE + DISTORTION
vs vs vs
FREE-AIR TEMPERATURE SUPPLY VOLTAGE SUPPLY VOLTAGE
Figure 16. Figure 17. Figure 18.
TOTAL HARMONIC DISTORTION SPURIOUS FREE DYNAMIC RANGE SIGNAL-TO-NOISE RATIO
vs vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE FREE-AIR TEMPERATURE
Figure 19. Figure 20. Figure 21.
SIGNAL-TO-NOISE + DISTORTION TOTAL HARMONIC DISTORTION SPURIOUS FREE DYNAMIC RANGE
vs vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 22. Figure 23. Figure 24.
18 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): ADS7950, ADS7951, ADS7952, ADS7953 ADS7954, ADS7955, ADS7956, ADS7957 ADS7958,
ADS7959, ADS7960, ADS7961