ADS1250 22 位模数转换器
ADS1250 相关产品
- ADS1210 - 器件与被比较器件具有相似功能，但并不功能等效。 Has a higher resolution (24bits)
- ADS1255 - 器件与被比较器件具有相似功能，但并不功能等效。 24bit resolution with high sampling rate device
- ADS1232 - 器件与被比较器件具有相似功能，但并不功能等效。 Has a higher resolution (24bits)
The ADS1250 is a precision, wide dynamic range,
delta-sigma, analog-to-digital converter with 20-bit
resolution operating from a single +5V supply. The
delta-sigma architecture is used for wide dynamic
range and to guarantee 20 bits of no missing code
performance. An effective resolution of 18 bits (2.8ppm
of rms noise) is achieved for conversion rates up to
25kHz. The dynamic range of the converter is further
increased by providing a low-noise Programmable
Gain Amplifier (PGA) with gain stages of 1, 2, 4, or
8 for low level input signals.
The ADS1250 is designed for high-resolution measurement
applications in cardiac diagnostics, smart
transmitters, industrial process control, weigh scales,
chromatography and portable instrumentation. The
converter includes a flexible synchronous serial interface
and offers a three-wire control mode for low-cost
isolation.
The ADS1250 is a single-channel converter and is
offered in an SOL-16 package.
|
ADS1158 |
ADS1250 |
ADS1251 |
ADS1252 |
ADS1253 |
ADS1254 |
ADS1255 |
ADS1258 |
| Resolution(Bits) |
16 |
20 |
24 |
24 |
24 |
24 |
24 |
24 |
| Sample Rate (max) |
125KSPS |
25kSPS |
20kSPS |
41kSPS |
20kSPS |
20kSPS |
30kSPS |
125kSPS |
| Architecture |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
Delta-Sigma |
| Power Consumption(Typ)(mW) |
42 |
75 |
7.5 |
40 |
7.5 |
4.36 |
36 |
42 |
| DNL(Max)(+/-LSB) |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
| INL(Max)(+/-LSB) |
1 |
0.0012% |
0.0002% |
0.0003% |
0.0002% |
0.0002% |
0.0003% |
0.0003% |
| No Missing Codes(Bits) |
16 |
20 |
24 |
24 |
24 |
24 |
24 |
24 |
| ENOB(Bits) |
16 |
18 |
19 |
19 |
19 |
19 |
23 |
21.6 |
| No. of Supplies |
2 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
| Analog Voltage AV/DD(Min)(V) |
4.75 |
4.75 |
4.75 |
4.75 |
4.75 |
4.75 |
4.75 |
4.75 |
| Analog Voltage AV/DD(Max)(V) |
5.25 |
5.25 |
5.25 |
5.25 |
5.25 |
5.25 |
5.25 |
5.25 |
| Logic Voltage DV/DD(Min)(V) |
2.5 |
4.75 |
4.75 |
4.75 |
4.75 |
1.8 |
1.8 |
2.5 |
| Logic Voltage DV/DD(Max)(V) |
3.6 |
5.25 |
5.25 |
5.25 |
5.25 |
3.6 |
3.6 |
3.6 |
| Input Configuration Range |
1.06 Vref |
Vref/PGA (1-8) |
Vref |
Vref |
Vref |
Vref |
2Vref/PGA(1-64) |
1.06Vref |
| Reference Mode |
Ext |
Ext |
Ext |
Ext |
Ext |
Ext |
Ext |
Ext |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
| Pin/Package |
48VQFN |
16SOIC |
8SOIC |
8SOIC |
16SSOP/QSOP |
20SSOP/QSOP |
20SSOP |
48VQFN |
| # Input Channels |
16 |
1 |
1 |
1 |
4 |
4 |
2 |
16 |
| Operating Temp Range(Celsius) |
-40 to 105 |
-40 to 85 |
-40 to 85 |
|
-40 to 85 |
-40 to 85 |
-40 to 85 |
-40 to 105 |
ADS1250 特性
- l CARDIAC DIAGNOSTICS
- l DIRECT THERMOCOUPLE INTERFACE
- l BLOOD ANALYSIS
- l INFRARED PYROMETER
- l LIQUID/GAS CHROMATOGRAPHY
- l PRECISION PROCESS CONTROL
ADS1250 芯片订购指南
ADS1250 工具与软件
ADS1250 质量与无铅数据
ADS1250 应用技术支持与电子电路设计开发资源下载
- ADS1250 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF
1305 KB)
- A
Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (PDF
461 KB)
- A Spreadsheet for Calculating the Frequency Response of the
ADS1250-54
- Understanding the ADS1251, ADS1253, and ADS1254 Input
Circuitry (PDF 39 KB)
- Analog-to-Digital Converter Grounding Practices Affect System
Performance (PDF 56 KB)
- Principles of Data Acquisition and Conversion (PDF 50 KB)
- Interleaving Analog-to-Digital Converters (PDF 64 KB)
- What
Designers Should Know About Data Converter Drift (PDF 95 KB)
- Giving Delta-Sigma Converters a Gain Boost with a Front End
Analog Gain Stage (PDF 70 KB)
- Programming Tricks for Higher Conversion Speeds Utilizing Delta
Sigma Converters (PDF 105 KB)
