参数资料
型号: ADS1259EVM
厂商: Texas Instruments
文件页数: 46/48页
文件大小: 0K
描述: EVAL MODULE FOR ADS1259
标准包装: 1
ADC 的数量: 1
位数: 24
采样率(每秒): 14k
数据接口: 串行,SPI?
工作温度: -40°C ~ 125°C
已用 IC / 零件: ADS1259
已供物品:
其它名称: 296-29312
ADS1259EVM-ND
200
180
160
140
120
100
80
60
40
20
0
Reading( V)
m
Occurrences
5.0
DataRate=10SPS
ShortedInput
512Samples
4.0
3.0
2.0
1.0
0
-
1.0
-
2.0
-
3.0
-
4.0
-
5.0
-
4.5
-
3.5
-
2.5
-
1.5
-
0.5
4.5
3.5
2.5
1.5
160
140
120
100
80
60
40
20
0
Reading( V)
m
Occurrences
5.0
DataRate=60SPS
ShortedInput
512Samples
4.0
3.0
2.0
1.0
0
-
1.0
-
2.0
-
3.0
-
4.0
-
5.0
-
4.5
-
3.5
-
2.5
-
1.5
-
0.5
4.5
3.5
2.5
1.5
1600
1400
1200
1000
800
600
400
200
0
Reading( V)
m
Occurrences
50
DataRate=14.4kSPS
ShortedInput
4096Samples
40
30
20
10
0
-
10
-
20
-
30
-
40
-
50
-
45
-
35
-
25
-
15
-
5
45
35
25
15
2800
2400
2000
1600
1200
800
400
0
Reading( V)
m
Occurrences
-
25.0
DataRate=400SPS
ShortedInput
4096Samples
-
20.0
-
15.0
-
10.0
-
5.0
0
5.0
10.0
15.0
20.0
25.0
22.5
17.5
12.5
7.5
2.5
-
2.5
-
22.5
-
17.5
-
12.5
-
7.5
25
24
23
22
21
20
19
Temperature( C)
°
ENOB(rms)
125
DataRate=10SPS
-55
-35
-15
5
25
45
65
85
105
DataRate=60SPS
DataRate=14.4kSPS
16
14
12
10
8
6
4
2
0
ENOB(rms)
Occurrences
23.5
DataRate=60SPS
30Units
23.4
23.2
23.0
22.8
22.6
22.4
22.2
22.0
22.1
22.3
22.5
22.7
22.9
23.1
23.3
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
TYPICAL CHARACTERISTICS
At TA = +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = 3.3V, VREF = 2.5V, VREFN = AVSS, fCLK = 7.3728MHz, and
fDATA = 60SPS, unless otherwise noted.
NOISE DISTRIBUTION HISTOGRAM
Figure 2.
Figure 3.
NOISE DISTRIBUTION HISTOGRAM
Figure 4.
Figure 5.
EFFECTIVE NUMBER OF BITS vs TEMPERATURE
EFFECTIVE NUMBER OF BITS HISTOGRAM
Figure 6.
Figure 7.
Copyright
2009–2011, Texas Instruments Incorporated
7
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