參數(shù)資料
型號: ADS1259BIPWR
廠商: Texas Instruments
文件頁數(shù): 46/48頁
文件大?。?/td> 0K
描述: IC ADC 24BIT SPI 14KSPS 20TSSOP
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 24
采樣率(每秒): 14k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個單端,單極;2 個單端,雙極;1 個差分,單極;1 個差分,雙極
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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