參數(shù)資料
型號(hào): 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(yè)數(shù): 14/63頁(yè)
文件大?。?/td> 1734K
代理商: ADS7953SRHBT
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
SINAD-Signal-to-NoiseandDistortion-dB
+VA =5V,
+VBD=5V,
f =1MSPS
S
0
20
40
60
80
100
120
0
50
100
150
200
250
Crosstalk-dB
Memory
Isolation
f
-InputFrequency-KHz
IN
+VA =5V,
+VBD=5V,
f =1MSPS,
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
-LeakageCurrent-nA
V =1.25V
I
T -Free-AirTemperature-°C
A
V =2.5V
I
V =0V
I
+VA =5V,
+VBD=5V
0
5
10
15
20
25
0.25
0.5
0.75
1
1.25
1.5
1.75
2
TUEMax-LSB
NumberofDevices
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
TUEMin-LSB
NumberofDevices
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
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
21
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