參數(shù)資料
型號: ADS1259BIPWR
廠商: Texas Instruments
文件頁數(shù): 47/48頁
文件大?。?/td> 0K
描述: IC ADC 24BIT SPI 14KSPS 20TSSOP
標準包裝: 2,000
位數(shù): 24
采樣率(每秒): 14k
數(shù)據(jù)接口: 串行,SPI?
轉換器數(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)
供應商設備封裝: 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
7
6
5
4
3
2
1
0
V
(V)
IN
Noise(
Vrms)
m
2.5
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5
1.0
1.5
InternalReference
C
=1 F
REFIN
m
REF5025
2.0
RatiometricConfiguration
DataRate=10SPS
7
6
5
4
3
2
1
0
V
(V)
IN
Noise(
Vrms)
m
2.5
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5
1.0
1.5
InternalReference
C
=1 F
REFIN
m
REF5025
2.0
RatiometricConfiguration
DataRate=60SPS
10
8
6
4
2
0
V
(V)
IN
Noise(
Vrms)
m
2.5
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5
1.0
1.5
InternalReference
C
=1 F
REFIN
m
REF5025
2.0
RatiometricConfiguration
DataRate=14.4kSPS
10
9
8
7
6
5
4
3
2
1
0
ReferenceVoltage(V)
Noise(
Vrms)
m
5.5
0
0.5
1.0
2.0
2.5
3.0
3.5
4.0
4.5
DataRate=14.4kSPS
5.0
ShortedInput
1.5
DataRate=400SPS
DataRate=14.4kSPS
DataRate=10SPS
DataRate=16.6SPS
3
2
1
0
1
2
3
-
InputSignal(V)
LinearityDeviation(ppm)
2.5
-
2.5 -2.0 -1.5
-
0.5
0
0.5
1.0
1.5
2.0
T=+125 C
°
-
1.0
T=+85 C
°
T=+25 C
°
T= 40 C
-
°
3.0
2.5
2.0
1.5
1.0
0.5
0
Temperature( C)
°
INL(ppm)
125
5Units
-
55
-
35
-
15
5
25
45
65
85
105
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
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 vs INPUT VOLTAGE
Figure 8.
Figure 9.
NOISE vs INPUT VOLTAGE
NOISE vs REFERENCE VOLTAGE
Figure 10.
Figure 11.
LINEARITY DEVIATION vs INPUT LEVEL
INTEGRAL NONLINEARITY vs TEMPERATURE
Figure 12.
Figure 13.
8
Copyright
2009–2011, Texas Instruments Incorporated
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