參數(shù)資料
型號(hào): ADS7953SBRHBT
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): ADC
英文描述: 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝: GREEN, PLASTIC, PQFP-32
文件頁(yè)數(shù): 13/63頁(yè)
文件大?。?/td> 1734K
代理商: ADS7953SBRHBT
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
5
10
15
ChannelNumber
DNL max
DNL min
DNL
-DifferentialNonlinearity-LSBs
+VA =5V,
+VBD=5V,
f =1MSPS
S
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
5
10
15
ChannelNumber
INL
-IntegralNonlinearity-LSBs
INL max
INL min
+VA =5V,
+VBD=5V,
f =1MSPS
S
70
72
74
76
78
80
82
84
86
88
90
20
40
60
80
100
SFDR-SpuriousFreeDynamicRange-dB
f
-InputFrequency-KHz
IN
10 W
1000 W
+VA =5V
+VBD=5V,
f =1MSPS,
T =25°C,
BufferBetweenMXOand AINP
S
A
100 W
500 W
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
ChannelNumber
SNR-Signal-to-NoiseRatio-dB
+VA =5V,
+VBD=5V,
f =1MSPS
S
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
5
10
15
20
E
-OffsetError-LSBs
O
ChannelNumber
+VA =5V,
+VBD=5V,
f =1MSPS
S
0
0.05
0.1
0.15
0.2
0.25
0
5
10
15
20
E
-GainError-LSBs
G
ChannelNumber
+VA =5V,
+VBD=5V,
f =1MSPS
S
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
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
(Across Different Source Resistance
DIFFERENTIAL NONLINEARITY
INTEGRAL NONLINEARITY VARIATION
Values)
VARIATION ACROSS CHANNELS
ACROSS CHANNELS
Figure 31.
Figure 32.
Figure 33.
OFFSET ERROR VARIATION ACROSS
GAIN ERROR VARIATION ACROSS
SIGNAL-TO-NOISE RATIO VARIATION
CHANNELS
ACROSS CHANNELS
Figure 34.
Figure 35.
Figure 36.
20
Copyright 2008–2010, Texas Instruments Incorporated
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