参数资料
型号: ADS1259BIPWR
厂商: Texas Instruments
文件页数: 47/48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
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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