參數(shù)資料
型號(hào): ADS1256
英文描述: Very Low Noise, 24-Bit Analog-to-Digital Converter
中文描述: 極低噪聲,24位模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù): 9/39頁
文件大?。?/td> 427K
代理商: ADS1256
SBAS288D JUNE 2003 REVISED AUGUST 2004
www.ti.com
9
TYPICAL CHARACTERISTICS (continued)
TA = +25
°
C, AVDD = 5V, DVDD = 1.8V, fCLKIN = 7.68MHz, PGA = 1, and VREF = 2.5V, unless otherwise noted.
NOISE HISTOGRAM
PGA = 1
Data Rate = 2.5SPS
Buffer = Off
256 Readings
Output Code (LSB)
100
80
60
40
20
0
P
5
4
3
2
1
0
1
2
3
4
5
NOISE HISTOGRAM
Output Code (LSB)
25
20
15
10
5
0
P
2
1
1
1
1
1
8
6
4
2
0
2
4
6
8
1
1
1
1
1
2
Buffer = Off
256 Readings
PGA = 64
Data Rate = 2.5SPS
NOISE HISTOGRAM
Output Code (LSB)
25
20
15
10
5
0
P
2
1
1
1
1
1
8
6
4
2
0
2
4
6
8
1
1
1
1
1
2
Buffer = Off
4096 Readings
PGA = 1
Data Rate = 1kSPS
NOISE HISTOGRAM
Output Code (LSB)
25
20
15
10
5
0
P
1
1
1
1
9
7
6
4
3
1
0
1
3
4
6
7
9
1
1
1
1
Buffer = Off
4096 Readings
PGA = 64
Data Rate = 1kSPS
NOISE HISTOGRAM
Output Code (LSB)
25
20
15
10
5
0
P
1
9
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
1
Buffer = Off
4096 Readings
PGA = 1
Data Rate = 30kSPS
NOISE HISTOGRAM
Output Code (LSB)
25
20
15
10
5
0
P
6
5
4
4
3
3
2
1
1
6
0
6
1
1
2
3
3
4
4
5
6
Buffer = Off
4096 Readings
PGA = 64
Data Rate = 30kSPS
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