參數(shù)資料
型號： ADS7953SRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝： GREEN, PLASTIC, PQFP-32
文件頁數(shù)： 10/63頁
文件大?。?/td> 1734K
代理商： ADS7953SRHBT
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 =5.5V,
+VBD=1.8V,
f =1MSPS
S
GainError-LSBs
T -Free-AirTemperature-°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-NoiseRatio-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f
=100kHz
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-NoiseandDistortion-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f
=100kHz
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-T
otalHarmonicDistortion-
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f
=100kHz
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-SpuriousFreeDynamicRange-dB
+VA -SupplyVoltage-V
+VBD=3V,
f =1MSPS,
f
=100kHz
T =25°C
S
IN
A
69
69.5
70
70.5
71
71.5
72
-40
15
70
125
SNR-Signal-to-NoiseRatio-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f
=100kHz
S
IN
69
69.5
70
70.5
71
71.5
72
-40
15
70
125
SINAD-Signal-to-NoiseandDistortion-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f
=100kHz
S
IN
-90
-89
-88
-87
-86
-85
-84
-83
-82
-81
-80
-40
15
70
125
THD-T
otalHarmonicDistortion-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f
=100kHz
S
IN
80
81
82
83
84
85
86
87
88
89
90
-40
15
70
125
SFDR-SpuriousFreeDynamicRange-dB
T -Free-AirTemperature-°C
A
+VA =5V
+VBD=3V,
f =1MSPS,
f
=100kHz
S
IN
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
FREE-AIR TEMPERATURE
SUPPLY VOLTAGE
Figure 16.
Figure 17.
Figure 18.
TOTAL HARMONIC DISTORTION
SPURIOUS FREE DYNAMIC RANGE
SIGNAL-TO-NOISE RATIO
vs
SUPPLY VOLTAGE
FREE-AIR TEMPERATURE
Figure 19.
Figure 20.
Figure 21.
SIGNAL-TO-NOISE + DISTORTION
TOTAL HARMONIC DISTORTION
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
Figure 22.
Figure 23.
Figure 24.
18
Copyright 2008–2010, Texas Instruments Incorporated
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