參數(shù)資料
型號(hào): ADS1271
元件分類: ADC
英文描述: 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
中文描述: 24位寬帶模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù): 11/29頁(yè)
文件大?。?/td> 381K
代理商: ADS1271
SBAS306A NOVEMBER 2004 REVISED DECEMBER 2004
www.ti.com
11
TYPICAL CHARACTERISTICS (continued)
TA = 25
°
C, AVDD = 5V, DVDD = 1.8V, fCLK = 27MHz, and VREF = 2.5V, unless otherwise noted.
Figure 19
ABSOLUTE OFFSET DRIFT HISTOGRAM
1
3
5
7
9
11
13
15
17
19
21
Absolute Offset Drift (
μ
V/ C)
60
50
40
30
20
10
0
O
30 Units, Based on
20 C Intervals
Figure 20
GAIN DRIFT HISTOGRAM
6
5
5
4
4
3
3
2
Gain Drift (ppm/ C)
2
1
1
0
0
0
1
1
2
2
3
3
4
15
10
5
0
O
30 Units, Based on
20 C Intervals
Figure 21
OFFSET POWERON WARMUP
0
10
20
Time After PowerOn (s)
30
40
50
60
40
30
20
10
0
10
20
30
40
N
μ
V
HighSpeed Mode
DVDD = 3.3V
Response
Band
Figure 22
GAIN ERROR POWERON WARMUP
0
10
20
Time After PowerOn (s)
30
40
50
60
10
8
6
4
2
0
2
4
6
8
10
N
HighSpeed Mode
DVDD = 3.3V
Response
Band
Figure 23
UNCALIBRATED OFFSET HISTOGRAM
5
4
4
3
3
2
Uncalibrated Offset (
μ
V)
2
1
1
5
0
5
1
1
2
2
3
30
20
10
0
U
HighSpeed Mode
30 Units
Figure 24
GAIN ERROR HISTOGRAM
2
2
2
2
2
2
2
Gain Error (ppm)
2
1
1
1
1
1
1
1
1
50
40
30
20
10
0
U
HighSpeed Mode
30 Units
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