参数资料
型号: ADS1259BIPWR
厂商: Texas Instruments
文件页数: 3/48页
文件大小: 0K
描述: IC ADC 24BIT SPI 14KSPS 20TSSOP
标准包装: 2,000
位数: 24
采样率(每秒): 14k
数据接口: 串行,SPI?
转换器数目: 1
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;2 个单端,双极;1 个差分,单极;1 个差分,双极
250
200
150
100
50
0
50
100
150
200
250
-
V
(V)
REF
VREFP
,VREFNInputCurrent(nA)
5.0
0.5
1.0
1.5
2.0
2.5
VREFNInputCurrent
(VREFP=AVDD)
VREFPInputCurrent
(VREFN=AVSS)
3.0
3.5
4.0
4.5
0
25
50
75
100
125
150
175
200
225
250
-
Temperature( C)
°
VREFP
,VREFNInputCurrent(nA)
125
-
55
-
35
-
15
5
25
45
65
85
105
VREFPInputCurrent
VREFNInputCurrent
0.010
0.008
0.006
0.004
0.002
0
0.002
0.004
0.006
0.008
0.010
-
Time(s)
Settling(%ofFinalV
alue)
6
0
1
2
3
4
C
=1 FX7R
m
REFIN
5
130
128
126
124
122
120
Temperature( C)
°
DifferentialInputImpedance(k
)
W
125
-
55
-
35
-
15
5
25
45
65
85
105
InternalOscillator
ExternalCrystal
100
90
80
70
60
50
40
30
20
10
0
100
200
300
400
500
600
700
800
900 1000
Hours
Reference
Voltage
Stability
(ppm)
48 units
G001
7.50
7.45
7.40
7.35
7.30
7.25
7.20
Temperature( C)
°
InternalOscillator(MHz)
125
-
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.
REFERENCE INPUT CURRENT vs TEMPERATURE
REFERENCE INPUT CURRENT vs REFERENCE VOLTAGE
Figure 26.
Figure 27.
DIFFERENTIAL INPUT IMPEDANCE vs TEMPERATURE
INTERNAL REFERENCE SETTLING TIME
Figure 28.
Figure 29.
INTERNAL OSCILLATOR vs TEMPERATURE
INTERNAL REFERENCE LONG-TERM STABILITY
Figure 30.
Figure 31.
Copyright
2009–2011, Texas Instruments Incorporated
11
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