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参数资料
| 型号： | ADS1250U |
| 元件分类： | ADC |
| 英文描述： | 1-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 |
| 封装： | SOL-16 |
| 文件页数： | 17/20页 |
| 文件大小： | 196K |
| 代理商： | ADS1250U |
6
ADS1250
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VD = VS = +5V, CLK = 9.6MHz, PGA = 1, and VREF = 4.096, unless otherwise specified.
30
20
10
0
–10
–20
–30
OFFSET DRIFT vs TEMPERATURE
Temperature (
°C)
–60
–40
0
–20
40
20
60
100
80
Offset
Drift
(ppm
of
FS)
PGA = 2
PGA = 4
PGA = 1
PGA = 4
PGA = 8
PGA = 1
400
200
0
–200
–400
GAIN DRIFT vs TEMPERATURE
Temperature (
°C)
–60
–40
0
–20
40
20
60
100
80
Gain
Drift
(ppm
of
FS)
PGA = 2
PGA = 4
PGA = 1
PGA = 8
PGA = 2
PGA = 4
PGA = 8
PGA = 1
20.0
18.0
16.0
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
ANALOG CURRENT vs TEMPERATURE
(PGA = 1)
Temperature (
°C)
–60
–40
0
–20
40
20
60
100
80
Analog
Current
(mA)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
DIGITAL CURRENT vs TEMPERATURE
(PGA = 1)
Temperature (
°C)
–60
–40
0
–20
40
20
60
100
80
Digital
Current
(mA)
100
90
80
70
60
POWER SUPPLY REJECTION RATIO
vs FREQUENCY
PGA = 8
Frequency (Hz)
1
10
100
1k
10k
PSRR
(dB)
PGA = 4
PGA = 2
PGA = 1
COMMON-MODE REJECTION RATIO
vs FREQUENCY
120
115
110
105
100
PGA = 1
Frequency (Hz)
1
10
100
1000
CMRR
(dB)
PGA = 2
PGA = 4
PGA = 8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS1250U/1K | 功能描述:模数转换器 - ADC SpeedPlus 20-Bit Data Acq System RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADS1250U/1KG4 | 功能描述:模数转换器 - ADC SpeedPlus 20-Bit Data Acq System RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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| ADS1251EVM | 功能描述:数据转换 IC 开发工具 ADS1251 ADC Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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